/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 11:05:25,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 11:05:25,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 11:05:25,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 11:05:25,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 11:05:25,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 11:05:25,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 11:05:25,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 11:05:25,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 11:05:25,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 11:05:25,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 11:05:25,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 11:05:25,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 11:05:25,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 11:05:25,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 11:05:25,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 11:05:25,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 11:05:25,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 11:05:25,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 11:05:25,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 11:05:25,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 11:05:25,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 11:05:25,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 11:05:25,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 11:05:25,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 11:05:25,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 11:05:25,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 11:05:25,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 11:05:25,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-10 11:05:25,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 11:05:25,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 11:05:25,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 11:05:25,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 11:05:25,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 11:05:25,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 11:05:25,901 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 11:05:25,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 11:05:25,902 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 11:05:25,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 11:05:25,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 11:05:25,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 11:05:25,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 11:05:25,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 11:05:25,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 11:05:25,903 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 11:05:25,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 11:05:25,903 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 11:05:25,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 11:05:25,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 11:05:25,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 11:05:25,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 11:05:25,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 11:05:25,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 11:05:25,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 11:05:25,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 11:05:25,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 11:05:25,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 11:05:25,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 11:05:25,905 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 11:05:25,905 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 11:05:25,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 11:05:25,906 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 11:05:25,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 11:05:26,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 11:05:26,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 11:05:26,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 11:05:26,162 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 11:05:26,163 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 11:05:26,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-07-10 11:05:26,163 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-10 11:05:26,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 11:05:26,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 11:05:26,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 11:05:26,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 11:05:26,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 11:05:26,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (1/1) ... [2021-07-10 11:05:26,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (1/1) ... [2021-07-10 11:05:26,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 11:05:26,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 11:05:26,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 11:05:26,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 11:05:26,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (1/1) ... [2021-07-10 11:05:26,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (1/1) ... [2021-07-10 11:05:26,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (1/1) ... [2021-07-10 11:05:26,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (1/1) ... [2021-07-10 11:05:26,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (1/1) ... [2021-07-10 11:05:26,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (1/1) ... [2021-07-10 11:05:26,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (1/1) ... [2021-07-10 11:05:26,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 11:05:26,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 11:05:26,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 11:05:26,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 11:05:26,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (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 [2021-07-10 11:05:26,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 11:05:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 11:05:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 11:05:26,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 11:05:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 11:05:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 11:05:26,313 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 11:05:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 11:05:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 11:05:26,314 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 11:05:26,589 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 11:05:26,589 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 11:05:26,590 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 11:05:26,590 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 11:05:26,591 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:05:26 BoogieIcfgContainer [2021-07-10 11:05:26,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 11:05:26,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 11:05:26,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 11:05:26,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 11:05:26,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 11:05:26" (1/2) ... [2021-07-10 11:05:26,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ffb9d and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 11:05:26, skipping insertion in model container [2021-07-10 11:05:26,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:05:26" (2/2) ... [2021-07-10 11:05:26,597 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-10 11:05:26,614 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 11:05:26,614 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 11:05:26,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 11:05:26,615 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 11:05:26,652 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 11:05:26,672 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-07-10 11:05:26,726 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 11:05:26,726 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 11:05:26,727 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 11:05:26,727 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 11:05:26,727 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 11:05:26,728 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 11:05:26,728 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 11:05:26,728 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 11:05:26,795 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:26,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:26,800 INFO L82 PathProgramCache]: Analyzing trace with hash -580385302, now seen corresponding path program 1 times [2021-07-10 11:05:26,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:26,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33017660] [2021-07-10 11:05:26,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:27,003 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:27,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33017660] [2021-07-10 11:05:27,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33017660] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:05:27,003 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:05:27,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 11:05:27,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587741826] [2021-07-10 11:05:27,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 11:05:27,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:27,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 11:05:27,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 11:05:27,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:27,018 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:27,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-07-10 11:05:27,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:27,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:27,058 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 11:05:27,058 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:27,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:27,061 INFO L82 PathProgramCache]: Analyzing trace with hash -845334464, now seen corresponding path program 1 times [2021-07-10 11:05:27,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:27,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852538023] [2021-07-10 11:05:27,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:27,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:27,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852538023] [2021-07-10 11:05:27,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852538023] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:05:27,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:05:27,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 11:05:27,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647956396] [2021-07-10 11:05:27,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 11:05:27,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:27,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 11:05:27,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-10 11:05:27,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:27,127 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:27,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2021-07-10 11:05:27,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:27,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:27,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:27,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:27,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 11:05:27,186 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:27,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:27,187 INFO L82 PathProgramCache]: Analyzing trace with hash -906160642, now seen corresponding path program 1 times [2021-07-10 11:05:27,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:27,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585497947] [2021-07-10 11:05:27,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:27,233 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:27,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585497947] [2021-07-10 11:05:27,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585497947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:27,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476548919] [2021-07-10 11:05:27,234 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 [2021-07-10 11:05:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:27,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 11:05:27,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:27,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476548919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:27,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:27,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 11:05:27,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783151290] [2021-07-10 11:05:27,388 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 11:05:27,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:27,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 11:05:27,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 11:05:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:27,390 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:27,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-07-10 11:05:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:27,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:27,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:27,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:27,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:05:27,652 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:27,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:27,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1940531884, now seen corresponding path program 1 times [2021-07-10 11:05:27,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:27,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608467272] [2021-07-10 11:05:27,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:27,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:27,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608467272] [2021-07-10 11:05:27,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608467272] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:27,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146838127] [2021-07-10 11:05:27,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-10 11:05:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:28,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 11:05:28,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:28,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:28,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:28,414 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 25 treesize of output 19 [2021-07-10 11:05:28,421 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:28,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:28,427 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 27 treesize of output 21 [2021-07-10 11:05:28,430 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:28,444 INFO L628 ElimStorePlain]: treesize reduction 79, result has 12.2 percent of original size [2021-07-10 11:05:28,444 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:28,445 INFO L518 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2021-07-10 11:05:28,445 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-07-10 11:05:28,446 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:05:28,446 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-07-10 11:05:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:28,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146838127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:28,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:28,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-07-10 11:05:28,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674767434] [2021-07-10 11:05:28,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 11:05:28,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:28,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 11:05:28,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-10 11:05:28,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:28,489 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:28,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:05:28,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:28,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:28,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:28,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:28,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:28,893 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:05:28,893 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:28,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:28,894 INFO L82 PathProgramCache]: Analyzing trace with hash -6313026, now seen corresponding path program 2 times [2021-07-10 11:05:28,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:28,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547190506] [2021-07-10 11:05:28,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:28,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:28,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547190506] [2021-07-10 11:05:28,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547190506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:28,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097713045] [2021-07-10 11:05:28,962 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 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 [2021-07-10 11:05:29,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:05:29,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:29,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 11:05:29,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:29,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:29,120 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 [2021-07-10 11:05:29,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:29,124 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:05:29,125 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:29,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:29,128 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 16 treesize of output 12 [2021-07-10 11:05:29,129 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:29,132 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 [2021-07-10 11:05:29,133 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:29,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:05:29,136 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:29,138 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 [2021-07-10 11:05:29,140 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:29,163 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 11:05:29,163 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:29,173 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:05:29,173 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:05:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:29,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097713045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:29,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:29,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 11:05:29,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050312182] [2021-07-10 11:05:29,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 11:05:29,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:29,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 11:05:29,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 11:05:29,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:29,212 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:29,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:05:29,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:29,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:29,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:29,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:29,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:29,618 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:05:29,618 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:29,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:29,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1891924544, now seen corresponding path program 3 times [2021-07-10 11:05:29,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:29,619 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483072012] [2021-07-10 11:05:29,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:29,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:29,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483072012] [2021-07-10 11:05:29,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483072012] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:29,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563015330] [2021-07-10 11:05:29,707 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 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 [2021-07-10 11:05:29,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 11:05:29,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:29,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 11:05:29,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:29,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:29,833 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 15 treesize of output 11 [2021-07-10 11:05:29,835 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:29,838 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 16 treesize of output 12 [2021-07-10 11:05:29,839 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:29,855 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:05:29,855 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:29,856 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:05:29,856 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:05:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:29,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563015330] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:29,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:29,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-10 11:05:29,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847959034] [2021-07-10 11:05:29,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 11:05:29,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:29,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 11:05:29,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-10 11:05:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:29,883 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:29,883 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:05:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:29,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:29,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:29,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:29,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:30,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-10 11:05:30,185 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:30,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:30,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1446621994, now seen corresponding path program 4 times [2021-07-10 11:05:30,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:30,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632520792] [2021-07-10 11:05:30,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:30,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:30,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632520792] [2021-07-10 11:05:30,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632520792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:30,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657075119] [2021-07-10 11:05:30,641 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 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 [2021-07-10 11:05:30,693 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:05:30,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:30,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 11:05:30,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:31,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:31,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:31,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:31,107 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 36 treesize of output 26 [2021-07-10 11:05:31,108 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:31,127 INFO L628 ElimStorePlain]: treesize reduction 111, result has 9.0 percent of original size [2021-07-10 11:05:31,127 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 11:05:31,127 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-07-10 11:05:31,127 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:31,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:05:31,128 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-07-10 11:05:31,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:31,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657075119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:31,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:31,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-07-10 11:05:31,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503733671] [2021-07-10 11:05:31,155 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 11:05:31,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:31,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 11:05:31,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-10 11:05:31,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:31,155 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:31,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 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) [2021-07-10 11:05:31,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:31,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:31,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:31,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:31,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:31,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:31,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:31,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:31,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:31,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:05:31,961 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:31,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:31,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1862349568, now seen corresponding path program 5 times [2021-07-10 11:05:31,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:31,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307640177] [2021-07-10 11:05:31,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:32,041 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:32,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:32,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307640177] [2021-07-10 11:05:32,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307640177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:32,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142984630] [2021-07-10 11:05:32,042 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 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 [2021-07-10 11:05:32,089 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 11:05:32,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:32,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 11:05:32,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:32,197 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 8 treesize of output 6 [2021-07-10 11:05:32,198 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:32,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:32,201 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 [2021-07-10 11:05:32,203 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:32,205 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 [2021-07-10 11:05:32,206 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:32,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:32,209 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 16 treesize of output 12 [2021-07-10 11:05:32,210 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:32,212 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:05:32,212 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:32,215 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 [2021-07-10 11:05:32,216 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:32,238 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 11:05:32,239 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:32,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:05:32,240 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:05:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:32,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142984630] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:32,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:32,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-10 11:05:32,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941782578] [2021-07-10 11:05:32,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 11:05:32,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:32,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 11:05:32,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 11:05:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:32,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:32,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 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) [2021-07-10 11:05:32,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:32,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:32,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:32,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:32,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:32,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:32,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:32,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:32,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-10 11:05:32,753 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:32,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:32,754 INFO L82 PathProgramCache]: Analyzing trace with hash -757032642, now seen corresponding path program 6 times [2021-07-10 11:05:32,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:32,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688975323] [2021-07-10 11:05:32,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:32,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:32,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688975323] [2021-07-10 11:05:32,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688975323] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:32,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508770501] [2021-07-10 11:05:32,861 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 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 [2021-07-10 11:05:32,889 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 11:05:32,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:32,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 11:05:32,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:32,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:32,992 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 15 treesize of output 11 [2021-07-10 11:05:32,994 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:32,996 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 16 treesize of output 12 [2021-07-10 11:05:32,997 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:33,011 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:05:33,012 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:33,025 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:05:33,025 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:05:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:33,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508770501] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:33,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:33,052 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-10 11:05:33,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965868367] [2021-07-10 11:05:33,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 11:05:33,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:33,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 11:05:33,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-10 11:05:33,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:33,053 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:33,054 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 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) [2021-07-10 11:05:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:33,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:33,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:33,397 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-07-10 11:05:33,397 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:33,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:33,398 INFO L82 PathProgramCache]: Analyzing trace with hash -2026434708, now seen corresponding path program 7 times [2021-07-10 11:05:33,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:33,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761189678] [2021-07-10 11:05:33,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:33,914 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2021-07-10 11:05:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:34,060 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:34,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761189678] [2021-07-10 11:05:34,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761189678] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:34,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070277604] [2021-07-10 11:05:34,060 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 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 [2021-07-10 11:05:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:34,111 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 11:05:34,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:34,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:34,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:34,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:34,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:34,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:34,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-07-10 11:05:34,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:34,707 INFO L628 ElimStorePlain]: treesize reduction 133, result has 7.6 percent of original size [2021-07-10 11:05:34,707 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:34,707 INFO L518 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2021-07-10 11:05:34,707 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-07-10 11:05:34,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:05:34,708 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-10 11:05:34,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:34,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070277604] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:34,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:34,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-10 11:05:34,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351004321] [2021-07-10 11:05:34,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 11:05:34,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:34,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 11:05:34,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-07-10 11:05:34,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:34,740 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:34,740 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 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) [2021-07-10 11:05:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:34,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:34,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:34,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:34,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:34,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:34,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:34,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:34,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:34,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:35,474 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-10 11:05:35,712 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-07-10 11:05:35,968 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 86 [2021-07-10 11:05:36,367 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 98 [2021-07-10 11:05:36,531 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-07-10 11:05:36,938 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 100 [2021-07-10 11:05:37,095 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2021-07-10 11:05:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:37,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:05:37,340 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:37,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:37,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1571774206, now seen corresponding path program 8 times [2021-07-10 11:05:37,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:37,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620148065] [2021-07-10 11:05:37,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:37,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:37,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620148065] [2021-07-10 11:05:37,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620148065] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:37,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603291742] [2021-07-10 11:05:37,441 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 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 [2021-07-10 11:05:37,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:05:37,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:37,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 11:05:37,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:37,588 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 [2021-07-10 11:05:37,590 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:37,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:37,592 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 [2021-07-10 11:05:37,593 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:37,595 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 [2021-07-10 11:05:37,596 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:37,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:05:37,599 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:37,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:37,604 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 16 treesize of output 12 [2021-07-10 11:05:37,605 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:37,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:05:37,607 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:37,627 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 11:05:37,628 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:37,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:05:37,628 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:05:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:37,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603291742] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:37,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:37,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 11:05:37,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138274449] [2021-07-10 11:05:37,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 11:05:37,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:37,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 11:05:37,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 11:05:37,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:37,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:37,658 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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) [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:37,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:38,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:38,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-10 11:05:38,212 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:38,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:38,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1975304320, now seen corresponding path program 9 times [2021-07-10 11:05:38,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:38,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875883497] [2021-07-10 11:05:38,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:38,334 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:38,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875883497] [2021-07-10 11:05:38,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875883497] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:38,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337367886] [2021-07-10 11:05:38,334 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 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 [2021-07-10 11:05:38,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 11:05:38,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:38,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 11:05:38,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:38,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:38,501 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 15 treesize of output 11 [2021-07-10 11:05:38,502 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:38,504 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 16 treesize of output 12 [2021-07-10 11:05:38,505 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:38,519 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:05:38,520 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:38,520 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:05:38,520 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:05:38,543 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:38,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337367886] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:38,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:38,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-10 11:05:38,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677359751] [2021-07-10 11:05:38,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 11:05:38,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:38,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 11:05:38,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-10 11:05:38,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:38,544 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:38,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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) [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:38,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:38,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:38,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:38,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-07-10 11:05:38,917 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:38,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:38,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1071632490, now seen corresponding path program 10 times [2021-07-10 11:05:38,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:38,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78653119] [2021-07-10 11:05:38,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:39,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:39,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78653119] [2021-07-10 11:05:39,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78653119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:39,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261996161] [2021-07-10 11:05:39,618 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 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 [2021-07-10 11:05:39,651 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:05:39,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:39,652 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-10 11:05:39,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:40,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:40,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:40,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-10 11:05:40,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:40,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-10 11:05:40,627 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:40,676 INFO L628 ElimStorePlain]: treesize reduction 91, result has 47.4 percent of original size [2021-07-10 11:05:40,676 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:40,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:40,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:40,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-07-10 11:05:40,686 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:40,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:05:40,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:40,700 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 21 treesize of output 13 [2021-07-10 11:05:40,701 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:40,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:05:40,714 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 11:05:40,715 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:257, output treesize:22 [2021-07-10 11:05:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:40,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261996161] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:40,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:40,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-10 11:05:40,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209171294] [2021-07-10 11:05:40,763 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 11:05:40,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:40,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 11:05:40,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2021-07-10 11:05:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:40,764 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:40,764 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 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) [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:40,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:41,405 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2021-07-10 11:05:41,617 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2021-07-10 11:05:41,853 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-07-10 11:05:42,135 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 113 [2021-07-10 11:05:42,422 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 112 [2021-07-10 11:05:42,712 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2021-07-10 11:05:42,903 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:42,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:43,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-07-10 11:05:43,169 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:43,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:43,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1172390464, now seen corresponding path program 11 times [2021-07-10 11:05:43,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:43,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744429371] [2021-07-10 11:05:43,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:43,286 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:43,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:43,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744429371] [2021-07-10 11:05:43,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744429371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:43,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878004238] [2021-07-10 11:05:43,287 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 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 [2021-07-10 11:05:43,323 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 11:05:43,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:43,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 11:05:43,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:43,476 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 8 treesize of output 6 [2021-07-10 11:05:43,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:43,480 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 [2021-07-10 11:05:43,481 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:43,483 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 [2021-07-10 11:05:43,483 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:43,486 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 8 treesize of output 6 [2021-07-10 11:05:43,487 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:43,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:43,492 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 16 treesize of output 12 [2021-07-10 11:05:43,493 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:43,495 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 [2021-07-10 11:05:43,496 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:43,518 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 11:05:43,518 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:43,519 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:05:43,519 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:05:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:43,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878004238] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:43,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:43,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 11:05:43,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212028607] [2021-07-10 11:05:43,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 11:05:43,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:43,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 11:05:43,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 11:05:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:43,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:43,549 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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) [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:44,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:44,261 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-07-10 11:05:44,261 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:44,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:44,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1547858818, now seen corresponding path program 12 times [2021-07-10 11:05:44,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:44,261 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453978510] [2021-07-10 11:05:44,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:44,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:44,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453978510] [2021-07-10 11:05:44,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453978510] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:44,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225057512] [2021-07-10 11:05:44,393 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 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 [2021-07-10 11:05:44,430 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 11:05:44,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:44,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 11:05:44,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:44,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:44,569 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 15 treesize of output 11 [2021-07-10 11:05:44,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:44,572 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 16 treesize of output 12 [2021-07-10 11:05:44,573 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:44,603 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:05:44,603 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:44,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:05:44,604 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:05:44,634 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:44,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225057512] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:44,635 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:44,635 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 11:05:44,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020536492] [2021-07-10 11:05:44,635 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 11:05:44,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:44,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 11:05:44,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-10 11:05:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:44,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:44,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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) [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:44,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:44,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:45,063 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:05:45,063 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:45,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:45,064 INFO L82 PathProgramCache]: Analyzing trace with hash -772242388, now seen corresponding path program 13 times [2021-07-10 11:05:45,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:45,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646184888] [2021-07-10 11:05:45,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:45,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:45,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646184888] [2021-07-10 11:05:45,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646184888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:45,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444118799] [2021-07-10 11:05:45,687 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 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 [2021-07-10 11:05:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:45,723 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-10 11:05:45,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:46,884 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 71 treesize of output 49 [2021-07-10 11:05:46,886 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:46,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:46,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:46,899 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 69 treesize of output 47 [2021-07-10 11:05:46,902 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:46,916 INFO L628 ElimStorePlain]: treesize reduction 117, result has 8.6 percent of original size [2021-07-10 11:05:46,917 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:46,917 INFO L518 ElimStorePlain]: Eliminatee v_prenex_34 vanished before elimination [2021-07-10 11:05:46,917 INFO L518 ElimStorePlain]: Eliminatee v_prenex_33 vanished before elimination [2021-07-10 11:05:46,917 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:05:46,917 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-10 11:05:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:46,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444118799] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:46,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:46,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-10 11:05:46,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236171415] [2021-07-10 11:05:46,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 11:05:46,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:46,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 11:05:46,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-10 11:05:46,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:46,961 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:46,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 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) [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:46,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:46,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:46,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:48,717 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-07-10 11:05:48,905 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2021-07-10 11:05:49,100 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2021-07-10 11:05:49,309 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 87 [2021-07-10 11:05:49,492 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2021-07-10 11:05:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:49,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:05:49,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:05:49,893 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:49,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:49,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1797030462, now seen corresponding path program 14 times [2021-07-10 11:05:49,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:49,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149507711] [2021-07-10 11:05:49,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:50,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:50,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149507711] [2021-07-10 11:05:50,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149507711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:50,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243709496] [2021-07-10 11:05:50,066 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 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 [2021-07-10 11:05:50,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:05:50,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:50,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 11:05:50,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:50,336 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 8 treesize of output 6 [2021-07-10 11:05:50,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:50,340 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 8 treesize of output 6 [2021-07-10 11:05:50,341 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:50,344 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 [2021-07-10 11:05:50,345 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:50,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:50,347 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 [2021-07-10 11:05:50,349 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:50,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:50,352 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 16 treesize of output 12 [2021-07-10 11:05:50,352 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:50,355 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 [2021-07-10 11:05:50,355 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:50,383 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 11:05:50,383 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:50,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:05:50,384 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:05:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:50,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243709496] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:50,429 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:50,429 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-10 11:05:50,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410159499] [2021-07-10 11:05:50,430 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 11:05:50,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:50,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 11:05:50,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 11:05:50,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:50,431 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:50,431 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 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) [2021-07-10 11:05:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:50,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:05:50,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:51,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:51,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:05:51,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:05:51,313 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-07-10 11:05:51,314 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:51,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:51,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1252553920, now seen corresponding path program 15 times [2021-07-10 11:05:51,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:51,314 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462602856] [2021-07-10 11:05:51,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:51,468 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:51,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462602856] [2021-07-10 11:05:51,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462602856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:51,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750725407] [2021-07-10 11:05:51,468 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 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 [2021-07-10 11:05:51,505 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 11:05:51,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:51,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-10 11:05:51,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:51,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:51,705 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 15 treesize of output 11 [2021-07-10 11:05:51,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:51,707 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 16 treesize of output 12 [2021-07-10 11:05:51,709 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:51,727 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:05:51,728 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:51,728 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:05:51,728 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:05:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:51,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750725407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:51,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:51,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-10 11:05:51,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855919746] [2021-07-10 11:05:51,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 11:05:51,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:51,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 11:05:51,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 11:05:51,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:51,754 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:51,754 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 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) [2021-07-10 11:05:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:51,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:51,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:51,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:51,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:51,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:51,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:51,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:05:51,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:05:51,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:52,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:05:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:05:52,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:52,294 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:05:52,294 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:52,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:52,294 INFO L82 PathProgramCache]: Analyzing trace with hash -207725142, now seen corresponding path program 16 times [2021-07-10 11:05:52,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:52,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186220343] [2021-07-10 11:05:52,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:52,860 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:52,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186220343] [2021-07-10 11:05:52,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186220343] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:52,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987549547] [2021-07-10 11:05:52,861 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 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 [2021-07-10 11:05:52,896 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:05:52,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:52,898 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-10 11:05:52,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:54,204 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2021-07-10 11:05:54,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:54,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:54,488 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 80 treesize of output 54 [2021-07-10 11:05:54,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:54,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:54,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:05:54,505 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 82 treesize of output 56 [2021-07-10 11:05:54,507 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:54,519 INFO L628 ElimStorePlain]: treesize reduction 132, result has 7.7 percent of original size [2021-07-10 11:05:54,519 INFO L518 ElimStorePlain]: Eliminatee v_prenex_43 vanished before elimination [2021-07-10 11:05:54,519 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:54,519 INFO L518 ElimStorePlain]: Eliminatee v_prenex_44 vanished before elimination [2021-07-10 11:05:54,520 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:05:54,520 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-10 11:05:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:54,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987549547] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:54,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:54,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2021-07-10 11:05:54,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457568031] [2021-07-10 11:05:54,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 11:05:54,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:54,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 11:05:54,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2021-07-10 11:05:54,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:54,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:54,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 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) [2021-07-10 11:05:54,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:54,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:54,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:54,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:54,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:56,821 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-07-10 11:05:57,018 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-07-10 11:05:57,252 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-10 11:05:57,470 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-10 11:05:57,693 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-10 11:05:57,926 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2021-07-10 11:05:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:05:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:58,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:05:58,307 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-07-10 11:05:58,307 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:58,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:58,308 INFO L82 PathProgramCache]: Analyzing trace with hash 2117195904, now seen corresponding path program 17 times [2021-07-10 11:05:58,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:58,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610516765] [2021-07-10 11:05:58,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:05:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:58,491 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:05:58,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610516765] [2021-07-10 11:05:58,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610516765] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:58,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960104482] [2021-07-10 11:05:58,491 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 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 [2021-07-10 11:05:58,534 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 11:05:58,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:05:58,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 11:05:58,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:05:58,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:58,750 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 [2021-07-10 11:05:58,751 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:58,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:05:58,754 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 16 treesize of output 12 [2021-07-10 11:05:58,755 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:58,757 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 [2021-07-10 11:05:58,758 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:58,760 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:05:58,760 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:58,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:05:58,763 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:58,765 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 [2021-07-10 11:05:58,766 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:05:58,800 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 11:05:58,800 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:05:58,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:05:58,801 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:05:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:05:58,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960104482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:05:58,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:05:58,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-10 11:05:58,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897013407] [2021-07-10 11:05:58,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 11:05:58,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:05:58,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 11:05:58,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 11:05:58,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:58,836 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:05:58,836 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 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) [2021-07-10 11:05:58,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:58,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:58,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:58,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:58,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:58,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:58,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:05:58,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:05:59,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:05:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:05:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:05:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:05:59,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable145 [2021-07-10 11:05:59,811 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:05:59,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:05:59,812 INFO L82 PathProgramCache]: Analyzing trace with hash 2069360574, now seen corresponding path program 18 times [2021-07-10 11:05:59,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:05:59,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276549178] [2021-07-10 11:05:59,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:05:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:00,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:00,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276549178] [2021-07-10 11:06:00,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276549178] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:00,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446316253] [2021-07-10 11:06:00,010 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 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 [2021-07-10 11:06:00,076 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 11:06:00,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:06:00,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 11:06:00,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:00,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:00,268 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 16 treesize of output 12 [2021-07-10 11:06:00,269 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:00,270 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 15 treesize of output 11 [2021-07-10 11:06:00,271 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:00,286 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:06:00,286 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:06:00,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:06:00,286 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:06:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:00,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446316253] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:00,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:00,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-10 11:06:00,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198317607] [2021-07-10 11:06:00,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 11:06:00,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:00,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 11:06:00,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-10 11:06:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:00,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:00,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 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) [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:00,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:00,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:00,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:00,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:00,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:00,927 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:06:00,927 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:00,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:00,928 INFO L82 PathProgramCache]: Analyzing trace with hash -307590932, now seen corresponding path program 19 times [2021-07-10 11:06:00,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:00,928 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452646204] [2021-07-10 11:06:00,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:01,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:01,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452646204] [2021-07-10 11:06:01,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452646204] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:01,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678571092] [2021-07-10 11:06:01,535 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 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 [2021-07-10 11:06:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:01,575 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-10 11:06:01,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:02,435 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-10 11:06:02,654 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-10 11:06:03,310 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-07-10 11:06:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:03,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:03,620 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 91 treesize of output 61 [2021-07-10 11:06:03,624 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:03,648 INFO L628 ElimStorePlain]: treesize reduction 221, result has 4.7 percent of original size [2021-07-10 11:06:03,648 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:06:03,648 INFO L518 ElimStorePlain]: Eliminatee v_prenex_56 vanished before elimination [2021-07-10 11:06:03,648 INFO L518 ElimStorePlain]: Eliminatee v_prenex_55 vanished before elimination [2021-07-10 11:06:03,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:06:03,649 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-07-10 11:06:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:03,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678571092] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:03,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:03,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-07-10 11:06:03,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278119978] [2021-07-10 11:06:03,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 11:06:03,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:03,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 11:06:03,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1041, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 11:06:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:03,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:03,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 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) [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:03,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:03,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:03,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:07,532 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-07-10 11:06:07,749 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2021-07-10 11:06:08,038 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-07-10 11:06:08,298 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-10 11:06:08,624 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 113 [2021-07-10 11:06:08,911 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2021-07-10 11:06:09,189 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:09,661 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:06:09,661 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:09,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:09,661 INFO L82 PathProgramCache]: Analyzing trace with hash -978643586, now seen corresponding path program 20 times [2021-07-10 11:06:09,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:09,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122082141] [2021-07-10 11:06:09,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:09,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:09,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122082141] [2021-07-10 11:06:09,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122082141] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:09,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21791411] [2021-07-10 11:06:09,877 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 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 [2021-07-10 11:06:09,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:06:09,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:06:09,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 11:06:09,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:10,174 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 [2021-07-10 11:06:10,175 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:10,177 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 8 treesize of output 6 [2021-07-10 11:06:10,178 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:10,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:10,180 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 16 treesize of output 12 [2021-07-10 11:06:10,181 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:10,183 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 [2021-07-10 11:06:10,184 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:10,209 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 8 treesize of output 6 [2021-07-10 11:06:10,210 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:10,212 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 [2021-07-10 11:06:10,213 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:10,237 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 11:06:10,237 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:06:10,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:06:10,238 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:06:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:10,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21791411] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:10,274 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:10,274 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-10 11:06:10,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020145326] [2021-07-10 11:06:10,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 11:06:10,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:10,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 11:06:10,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-10 11:06:10,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:10,275 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:10,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 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) [2021-07-10 11:06:10,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:10,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:10,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:10,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:11,397 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:06:11,398 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:11,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:11,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1833428480, now seen corresponding path program 21 times [2021-07-10 11:06:11,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:11,398 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203688237] [2021-07-10 11:06:11,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:11,603 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:11,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203688237] [2021-07-10 11:06:11,603 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203688237] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:11,603 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773304880] [2021-07-10 11:06:11,603 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 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 [2021-07-10 11:06:11,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 11:06:11,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:06:11,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 11:06:11,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:11,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:11,876 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 15 treesize of output 11 [2021-07-10 11:06:11,877 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:11,884 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 16 treesize of output 12 [2021-07-10 11:06:11,885 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:11,900 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:06:11,900 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:06:11,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:06:11,900 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:06:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:11,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773304880] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:11,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:11,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-10 11:06:11,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615155406] [2021-07-10 11:06:11,929 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 11:06:11,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:11,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 11:06:11,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-10 11:06:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:11,930 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:11,930 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 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) [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:12,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:12,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:12,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:06:12,640 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:12,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:12,640 INFO L82 PathProgramCache]: Analyzing trace with hash 968448746, now seen corresponding path program 22 times [2021-07-10 11:06:12,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:12,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406339785] [2021-07-10 11:06:12,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:13,333 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:13,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:13,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406339785] [2021-07-10 11:06:13,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406339785] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:13,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406440159] [2021-07-10 11:06:13,334 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 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 [2021-07-10 11:06:13,375 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:06:13,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:06:13,377 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-10 11:06:13,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:14,382 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 11:06:14,837 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-10 11:06:15,036 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 11:06:15,243 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 11:06:15,453 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-10 11:06:15,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:15,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:15,811 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 104 treesize of output 70 [2021-07-10 11:06:15,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:15,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:15,841 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 102 treesize of output 68 [2021-07-10 11:06:15,844 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:15,856 INFO L628 ElimStorePlain]: treesize reduction 154, result has 6.7 percent of original size [2021-07-10 11:06:15,856 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:06:15,857 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-07-10 11:06:15,857 INFO L518 ElimStorePlain]: Eliminatee v_prenex_63 vanished before elimination [2021-07-10 11:06:15,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:06:15,857 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-10 11:06:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:15,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406440159] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:15,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:15,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 37 [2021-07-10 11:06:15,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899623633] [2021-07-10 11:06:15,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 11:06:15,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:15,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 11:06:15,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 11:06:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:15,868 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:15,868 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 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) [2021-07-10 11:06:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:15,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:20,492 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2021-07-10 11:06:20,721 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 11:06:20,950 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 11:06:21,183 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 11:06:21,464 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-07-10 11:06:21,700 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 11:06:21,939 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 11:06:22,195 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 114 [2021-07-10 11:06:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:22,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:22,668 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:06:22,668 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:22,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:22,669 INFO L82 PathProgramCache]: Analyzing trace with hash -76119232, now seen corresponding path program 23 times [2021-07-10 11:06:22,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:22,669 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994895580] [2021-07-10 11:06:22,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:22,921 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:22,921 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994895580] [2021-07-10 11:06:22,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994895580] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:22,921 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539070857] [2021-07-10 11:06:22,921 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 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 [2021-07-10 11:06:22,964 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 11:06:22,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:06:22,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 11:06:22,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:23,254 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 8 treesize of output 6 [2021-07-10 11:06:23,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:23,258 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 8 treesize of output 6 [2021-07-10 11:06:23,259 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:23,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:23,261 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 16 treesize of output 12 [2021-07-10 11:06:23,262 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:23,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:23,266 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 [2021-07-10 11:06:23,267 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:23,269 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 [2021-07-10 11:06:23,270 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:23,273 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 [2021-07-10 11:06:23,274 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:23,300 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 11:06:23,300 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:06:23,301 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:06:23,301 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:06:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:23,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539070857] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:23,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:23,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-10 11:06:23,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066026626] [2021-07-10 11:06:23,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 11:06:23,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:23,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 11:06:23,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-10 11:06:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:23,345 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:23,345 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:23,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:25,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-07-10 11:06:25,125 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:25,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:25,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1198768894, now seen corresponding path program 24 times [2021-07-10 11:06:25,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:25,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531743325] [2021-07-10 11:06:25,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:25,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:25,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531743325] [2021-07-10 11:06:25,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531743325] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:25,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736984566] [2021-07-10 11:06:25,546 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 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 [2021-07-10 11:06:25,592 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 11:06:25,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:06:25,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-10 11:06:25,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:26,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:26,026 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 16 treesize of output 12 [2021-07-10 11:06:26,027 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:26,029 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 15 treesize of output 11 [2021-07-10 11:06:26,030 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:26,045 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:06:26,046 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:06:26,046 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:06:26,046 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:06:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:26,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736984566] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:26,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:26,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-10 11:06:26,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528890400] [2021-07-10 11:06:26,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 11:06:26,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:26,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 11:06:26,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-10 11:06:26,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:26,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:26,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:26,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:26,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:26,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:06:27,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-07-10 11:06:27,062 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:27,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:27,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1526129236, now seen corresponding path program 25 times [2021-07-10 11:06:27,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:27,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763440998] [2021-07-10 11:06:27,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:27,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:27,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763440998] [2021-07-10 11:06:27,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763440998] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:27,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893971660] [2021-07-10 11:06:27,917 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 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 [2021-07-10 11:06:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:27,961 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-10 11:06:27,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:29,164 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 11:06:29,430 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 11:06:29,701 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-10 11:06:29,981 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 11:06:30,271 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 11:06:30,551 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 11:06:30,840 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 11:06:31,124 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-10 11:06:31,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:31,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:31,243 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 113 treesize of output 75 [2021-07-10 11:06:31,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:31,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:31,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:31,284 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 115 treesize of output 77 [2021-07-10 11:06:31,287 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:31,300 INFO L628 ElimStorePlain]: treesize reduction 165, result has 6.3 percent of original size [2021-07-10 11:06:31,300 INFO L518 ElimStorePlain]: Eliminatee v_prenex_80 vanished before elimination [2021-07-10 11:06:31,300 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:06:31,300 INFO L518 ElimStorePlain]: Eliminatee v_prenex_79 vanished before elimination [2021-07-10 11:06:31,300 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:06:31,300 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-10 11:06:31,354 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:31,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893971660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:31,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:31,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-10 11:06:31,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461726328] [2021-07-10 11:06:31,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-10 11:06:31,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:31,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-10 11:06:31,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-10 11:06:31,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:31,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:31,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:31,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:06:31,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:36,285 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-07-10 11:06:37,898 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 124 [2021-07-10 11:06:38,244 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-10 11:06:38,770 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-10 11:06:39,152 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-10 11:06:39,521 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-10 11:06:39,906 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2021-07-10 11:06:40,271 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2021-07-10 11:06:40,652 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2021-07-10 11:06:41,019 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 127 [2021-07-10 11:06:41,240 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-07-10 11:06:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:06:41,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:06:41,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable225 [2021-07-10 11:06:41,544 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:41,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:41,545 INFO L82 PathProgramCache]: Analyzing trace with hash -98625346, now seen corresponding path program 26 times [2021-07-10 11:06:41,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:41,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836463736] [2021-07-10 11:06:41,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:41,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:41,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836463736] [2021-07-10 11:06:41,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836463736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:41,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50277196] [2021-07-10 11:06:41,841 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 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 [2021-07-10 11:06:41,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:06:41,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:06:41,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 11:06:41,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:42,228 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 [2021-07-10 11:06:42,230 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:42,232 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 [2021-07-10 11:06:42,233 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:42,235 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 8 treesize of output 6 [2021-07-10 11:06:42,236 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:42,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:42,238 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 16 treesize of output 12 [2021-07-10 11:06:42,239 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:42,241 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 8 treesize of output 6 [2021-07-10 11:06:42,242 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:42,244 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 [2021-07-10 11:06:42,245 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:42,271 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 11:06:42,271 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:06:42,272 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:06:42,272 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:06:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:42,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50277196] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:42,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:42,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-10 11:06:42,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668131697] [2021-07-10 11:06:42,325 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 11:06:42,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:42,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 11:06:42,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 11:06:42,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:42,326 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:42,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 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) [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:42,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:06:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:06:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:06:43,905 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable254 [2021-07-10 11:06:43,905 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:43,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:43,906 INFO L82 PathProgramCache]: Analyzing trace with hash 768200896, now seen corresponding path program 27 times [2021-07-10 11:06:43,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:43,906 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462837170] [2021-07-10 11:06:43,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:44,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:44,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462837170] [2021-07-10 11:06:44,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462837170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:44,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443421104] [2021-07-10 11:06:44,205 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 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 [2021-07-10 11:06:44,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 11:06:44,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:06:44,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 11:06:44,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:44,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:44,594 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 15 treesize of output 11 [2021-07-10 11:06:44,595 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:44,596 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 16 treesize of output 12 [2021-07-10 11:06:44,597 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:44,611 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:06:44,612 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:06:44,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:06:44,612 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:06:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:44,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443421104] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:44,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:44,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-10 11:06:44,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616993039] [2021-07-10 11:06:44,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 11:06:44,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:44,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 11:06:44,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 11:06:44,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:44,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:44,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 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) [2021-07-10 11:06:44,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:44,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:44,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:06:44,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:45,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:45,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:45,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:06:45,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:06:45,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:06:45,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:06:45,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable260 [2021-07-10 11:06:45,503 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:45,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:45,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1988835286, now seen corresponding path program 28 times [2021-07-10 11:06:45,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:45,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795979593] [2021-07-10 11:06:45,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:46,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:46,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795979593] [2021-07-10 11:06:46,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795979593] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:46,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946073900] [2021-07-10 11:06:46,847 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-10 11:06:46,890 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:06:46,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:06:46,892 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-10 11:06:46,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:06:48,319 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 11:06:48,664 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 11:06:48,952 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 11:06:49,273 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 11:06:49,565 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 11:06:49,900 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 11:06:50,245 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 11:06:50,641 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-07-10 11:06:50,979 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-10 11:06:51,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:51,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:51,110 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 124 treesize of output 82 [2021-07-10 11:06:51,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:51,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:51,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,158 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 114 treesize of output 74 [2021-07-10 11:06:51,161 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:51,241 INFO L628 ElimStorePlain]: treesize reduction 157, result has 48.5 percent of original size [2021-07-10 11:06:51,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:51,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:06:51,271 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 126 treesize of output 84 [2021-07-10 11:06:51,274 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:51,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:06:51,285 INFO L518 ElimStorePlain]: Eliminatee v_prenex_91 vanished before elimination [2021-07-10 11:06:51,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:06:51,287 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 21 treesize of output 13 [2021-07-10 11:06:51,288 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:06:51,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:06:51,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 11:06:51,299 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:521, output treesize:22 [2021-07-10 11:06:51,379 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:51,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946073900] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:51,379 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:06:51,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-07-10 11:06:51,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176158169] [2021-07-10 11:06:51,380 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 11:06:51,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:06:51,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 11:06:51,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2059, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 11:06:51,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:51,381 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:06:51,381 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 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) [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:06:51,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:06:53,610 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2021-07-10 11:06:54,010 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-07-10 11:06:54,376 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 132 [2021-07-10 11:06:54,816 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 149 [2021-07-10 11:06:55,230 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 105 [2021-07-10 11:06:55,691 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 105 [2021-07-10 11:06:56,140 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-07-10 11:06:56,576 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 144 [2021-07-10 11:06:56,991 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 104 [2021-07-10 11:06:57,429 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 109 [2021-07-10 11:06:57,853 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 106 [2021-07-10 11:06:58,251 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 149 [2021-07-10 11:06:58,643 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 149 [2021-07-10 11:06:58,925 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:06:59,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:06:59,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:06:59,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:06:59,277 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:06:59,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:06:59,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1557611008, now seen corresponding path program 29 times [2021-07-10 11:06:59,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:06:59,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319652356] [2021-07-10 11:06:59,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:06:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:06:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:06:59,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:06:59,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319652356] [2021-07-10 11:06:59,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319652356] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:06:59,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016985317] [2021-07-10 11:06:59,652 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 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 [2021-07-10 11:06:59,713 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-10 11:06:59,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:06:59,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 11:06:59,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:07:00,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:00,120 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 [2021-07-10 11:07:00,121 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:00,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:00,124 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 16 treesize of output 12 [2021-07-10 11:07:00,125 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:00,127 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 [2021-07-10 11:07:00,127 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:00,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:07:00,130 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:00,133 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 [2021-07-10 11:07:00,134 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:00,136 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:07:00,136 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:00,156 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 11:07:00,157 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:07:00,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:07:00,157 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:07:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:00,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016985317] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:00,202 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:07:00,202 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-10 11:07:00,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666083036] [2021-07-10 11:07:00,202 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 11:07:00,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:07:00,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 11:07:00,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 11:07:00,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:00,203 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:07:00,203 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:02,157 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:07:02,159 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:07:02,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:07:02,159 INFO L82 PathProgramCache]: Analyzing trace with hash -455801282, now seen corresponding path program 30 times [2021-07-10 11:07:02,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:07:02,159 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665036506] [2021-07-10 11:07:02,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:07:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:07:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:02,506 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:07:02,506 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665036506] [2021-07-10 11:07:02,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665036506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:02,506 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855278323] [2021-07-10 11:07:02,506 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 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 [2021-07-10 11:07:02,554 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 11:07:02,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:07:02,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 11:07:02,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:07:02,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:02,955 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 15 treesize of output 11 [2021-07-10 11:07:02,956 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:02,959 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 16 treesize of output 12 [2021-07-10 11:07:02,959 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:02,976 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:07:02,977 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:07:02,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:07:02,977 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:07:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:03,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855278323] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:03,013 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:07:03,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-10 11:07:03,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543263076] [2021-07-10 11:07:03,013 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 11:07:03,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:07:03,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 11:07:03,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 11:07:03,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:03,014 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:07:03,014 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:07:03,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:03,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:03,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:03,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:03,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:03,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:03,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:04,063 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable313 [2021-07-10 11:07:04,064 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:07:04,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:07:04,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1278197140, now seen corresponding path program 31 times [2021-07-10 11:07:04,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:07:04,064 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297557932] [2021-07-10 11:07:04,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:07:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:07:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:05,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:07:05,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297557932] [2021-07-10 11:07:05,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297557932] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:05,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110808316] [2021-07-10 11:07:05,479 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 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 [2021-07-10 11:07:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:07:05,533 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-10 11:07:05,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:07:07,254 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 11:07:07,581 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 11:07:07,946 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 11:07:08,259 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 11:07:08,634 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 11:07:09,009 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 11:07:09,391 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 11:07:09,801 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-10 11:07:10,168 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 11:07:10,524 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-10 11:07:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:10,739 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-07-10 11:07:10,741 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 135 treesize of output 89 [2021-07-10 11:07:10,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:10,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:10,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:10,817 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 137 treesize of output 91 [2021-07-10 11:07:10,821 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:10,834 INFO L628 ElimStorePlain]: treesize reduction 187, result has 5.6 percent of original size [2021-07-10 11:07:10,834 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:07:10,834 INFO L518 ElimStorePlain]: Eliminatee v_prenex_103 vanished before elimination [2021-07-10 11:07:10,835 INFO L518 ElimStorePlain]: Eliminatee v_prenex_104 vanished before elimination [2021-07-10 11:07:10,835 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:07:10,835 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-10 11:07:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:10,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110808316] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:10,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:07:10,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-10 11:07:10,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949542575] [2021-07-10 11:07:10,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-10 11:07:10,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:07:10,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-10 11:07:10,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2341, Unknown=0, NotChecked=0, Total=2450 [2021-07-10 11:07:10,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:10,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:07:10,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 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) [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:10,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:10,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:13,900 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-10 11:07:14,379 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2021-07-10 11:07:14,881 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2021-07-10 11:07:15,441 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-07-10 11:07:16,012 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 158 [2021-07-10 11:07:16,628 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 158 [2021-07-10 11:07:17,261 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-10 11:07:17,888 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-10 11:07:18,576 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 159 [2021-07-10 11:07:19,537 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-10 11:07:20,130 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-10 11:07:20,824 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-10 11:07:21,463 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 204 [2021-07-10 11:07:22,100 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 204 [2021-07-10 11:07:22,504 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:22,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:22,887 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-10 11:07:22,887 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:07:22,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:07:22,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1002664962, now seen corresponding path program 32 times [2021-07-10 11:07:22,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:07:22,888 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188145017] [2021-07-10 11:07:22,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:07:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:07:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:23,288 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:07:23,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188145017] [2021-07-10 11:07:23,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188145017] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:23,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672490572] [2021-07-10 11:07:23,288 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 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 [2021-07-10 11:07:23,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:07:23,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:07:23,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 11:07:23,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:07:23,807 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 8 treesize of output 6 [2021-07-10 11:07:23,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:23,811 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 [2021-07-10 11:07:23,812 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:23,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:23,814 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 [2021-07-10 11:07:23,815 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:23,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:07:23,817 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:23,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:23,820 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 16 treesize of output 12 [2021-07-10 11:07:23,820 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:23,822 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 [2021-07-10 11:07:23,823 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:23,846 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 11:07:23,846 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:07:23,846 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:07:23,847 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:07:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:23,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672490572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:23,894 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:07:23,894 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-10 11:07:23,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022820800] [2021-07-10 11:07:23,894 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 11:07:23,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:07:23,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 11:07:23,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 11:07:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:23,895 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:07:23,895 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:23,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:23,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:25,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:07:26,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable352 [2021-07-10 11:07:26,105 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:07:26,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:07:26,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1206301824, now seen corresponding path program 33 times [2021-07-10 11:07:26,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:07:26,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695584367] [2021-07-10 11:07:26,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:07:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:07:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:26,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:07:26,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695584367] [2021-07-10 11:07:26,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695584367] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:26,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260525723] [2021-07-10 11:07:26,500 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 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 [2021-07-10 11:07:26,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 11:07:26,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:07:26,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-10 11:07:26,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:07:26,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:26,983 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 15 treesize of output 11 [2021-07-10 11:07:26,984 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:26,987 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 16 treesize of output 12 [2021-07-10 11:07:26,988 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:27,002 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:07:27,002 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:07:27,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:07:27,003 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:07:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:27,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260525723] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:27,040 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:07:27,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-10 11:07:27,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631046951] [2021-07-10 11:07:27,040 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 11:07:27,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:07:27,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 11:07:27,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 11:07:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:27,041 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:07:27,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:07:27,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:27,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:27,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:27,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:27,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:27,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:27,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:27,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:27,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:27,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:07:27,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:28,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:28,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:28,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:07:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:28,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:07:28,306 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:07:28,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:07:28,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1226089834, now seen corresponding path program 34 times [2021-07-10 11:07:28,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:07:28,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541410587] [2021-07-10 11:07:28,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:07:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:07:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:29,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:07:29,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541410587] [2021-07-10 11:07:29,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541410587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:29,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921125533] [2021-07-10 11:07:29,343 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 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 [2021-07-10 11:07:29,393 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:07:29,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:07:29,395 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-10 11:07:29,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:07:31,374 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 11:07:31,769 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 11:07:32,107 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 11:07:32,448 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 11:07:32,850 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 11:07:33,193 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 11:07:33,605 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 11:07:33,970 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 11:07:34,339 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 11:07:34,691 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-10 11:07:35,094 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-10 11:07:35,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:35,275 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 148 treesize of output 98 [2021-07-10 11:07:35,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:35,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:35,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:07:35,333 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 146 treesize of output 96 [2021-07-10 11:07:35,336 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:35,350 INFO L628 ElimStorePlain]: treesize reduction 204, result has 5.1 percent of original size [2021-07-10 11:07:35,350 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 11:07:35,350 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:07:35,350 INFO L518 ElimStorePlain]: Eliminatee v_prenex_117 vanished before elimination [2021-07-10 11:07:35,350 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:07:35,351 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-10 11:07:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:35,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921125533] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:35,360 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:07:35,360 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-10 11:07:35,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015693429] [2021-07-10 11:07:35,360 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-10 11:07:35,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:07:35,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-10 11:07:35,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-07-10 11:07:35,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:35,361 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:07:35,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 states have internal predecessors, (60), 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) [2021-07-10 11:07:35,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:35,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:35,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:35,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:35,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:35,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:07:35,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:35,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:47,405 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2021-07-10 11:07:47,765 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 11:07:48,150 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 11:07:48,562 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 11:07:48,950 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-10 11:07:49,352 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 11:07:49,788 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 11:07:50,171 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 11:07:50,596 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 11:07:50,968 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 11:07:51,372 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 11:07:51,804 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-10 11:07:52,068 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-10 11:07:52,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:52,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:52,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:52,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:52,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:52,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:07:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:07:52,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable361,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:07:52,426 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:07:52,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:07:52,426 INFO L82 PathProgramCache]: Analyzing trace with hash -679180096, now seen corresponding path program 35 times [2021-07-10 11:07:52,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:07:52,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877400809] [2021-07-10 11:07:52,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:07:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:07:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:52,878 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:07:52,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877400809] [2021-07-10 11:07:52,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877400809] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:52,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24522723] [2021-07-10 11:07:52,878 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 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 [2021-07-10 11:07:52,935 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-10 11:07:52,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:07:52,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 11:07:52,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:07:53,466 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 8 treesize of output 6 [2021-07-10 11:07:53,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:53,469 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 8 treesize of output 6 [2021-07-10 11:07:53,470 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:53,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:53,473 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 16 treesize of output 12 [2021-07-10 11:07:53,473 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:53,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:53,476 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 [2021-07-10 11:07:53,477 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:53,479 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 [2021-07-10 11:07:53,479 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:53,481 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 [2021-07-10 11:07:53,483 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:53,507 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 11:07:53,508 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:07:53,508 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:07:53,508 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:07:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:53,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24522723] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:53,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:07:53,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-10 11:07:53,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925317710] [2021-07-10 11:07:53,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 11:07:53,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:07:53,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 11:07:53,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 11:07:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:53,557 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:07:53,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:07:53,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:55,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:07:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:07:55,935 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-07-10 11:07:55,935 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:07:55,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:07:55,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1598011774, now seen corresponding path program 36 times [2021-07-10 11:07:55,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:07:55,935 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126479219] [2021-07-10 11:07:55,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:07:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:07:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:56,435 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:07:56,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126479219] [2021-07-10 11:07:56,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126479219] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:56,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930356622] [2021-07-10 11:07:56,435 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 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 [2021-07-10 11:07:56,490 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-10 11:07:56,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:07:56,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 11:07:56,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:07:56,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:07:56,990 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 16 treesize of output 12 [2021-07-10 11:07:56,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:56,992 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 15 treesize of output 11 [2021-07-10 11:07:56,993 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:07:57,008 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:07:57,008 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:07:57,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:07:57,009 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:07:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:07:57,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930356622] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:07:57,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:07:57,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-10 11:07:57,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971882205] [2021-07-10 11:07:57,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 11:07:57,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:07:57,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 11:07:57,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 11:07:57,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:57,049 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:07:57,050 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:57,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:07:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:07:58,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:07:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:07:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:07:58,361 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:07:58,361 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:07:58,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:07:58,361 INFO L82 PathProgramCache]: Analyzing trace with hash -2034501844, now seen corresponding path program 37 times [2021-07-10 11:07:58,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:07:58,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63251667] [2021-07-10 11:07:58,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:07:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:08:00,035 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:08:00,035 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:08:00,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63251667] [2021-07-10 11:08:00,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63251667] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:08:00,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679811885] [2021-07-10 11:08:00,035 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 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 [2021-07-10 11:08:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:08:00,099 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-10 11:08:00,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:08:02,327 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 11:08:02,745 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 11:08:03,191 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 11:08:03,588 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 11:08:03,994 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 11:08:04,443 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 11:08:04,904 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 11:08:05,389 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 11:08:05,844 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 11:08:06,276 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 11:08:06,753 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-10 11:08:07,172 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-07-10 11:08:07,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:08:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:07,298 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 157 treesize of output 103 [2021-07-10 11:08:07,306 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:08:07,346 INFO L628 ElimStorePlain]: treesize reduction 353, result has 3.0 percent of original size [2021-07-10 11:08:07,346 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:08:07,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_135 vanished before elimination [2021-07-10 11:08:07,346 INFO L518 ElimStorePlain]: Eliminatee v_prenex_136 vanished before elimination [2021-07-10 11:08:07,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:08:07,346 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-07-10 11:08:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:08:07,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679811885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:08:07,425 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:08:07,425 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-07-10 11:08:07,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93727817] [2021-07-10 11:08:07,426 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-10 11:08:07,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:08:07,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-10 11:08:07,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3165, Unknown=0, NotChecked=0, Total=3306 [2021-07-10 11:08:07,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:08:07,427 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:08:07,427 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:07,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:07,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:08:07,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:08:07,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:07,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:08:21,092 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-07-10 11:08:23,890 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 157 [2021-07-10 11:08:24,303 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 160 [2021-07-10 11:08:24,889 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-10 11:08:25,504 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-10 11:08:26,141 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-10 11:08:26,673 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 11:08:27,171 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 11:08:27,666 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 11:08:28,154 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 11:08:28,658 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 11:08:29,261 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-10 11:08:29,782 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 169 [2021-07-10 11:08:30,406 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 166 [2021-07-10 11:08:30,718 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-07-10 11:08:30,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:08:30,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:30,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:08:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:08:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:08:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:08:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:08:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:08:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:08:31,106 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable409,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:08:31,107 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:08:31,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:08:31,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1321692990, now seen corresponding path program 38 times [2021-07-10 11:08:31,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:08:31,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57933788] [2021-07-10 11:08:31,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:08:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:08:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:08:31,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:08:31,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57933788] [2021-07-10 11:08:31,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57933788] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:08:31,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494604818] [2021-07-10 11:08:31,653 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 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 [2021-07-10 11:08:31,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:08:31,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:08:31,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 11:08:31,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:08:32,286 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 [2021-07-10 11:08:32,287 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:08:32,289 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 [2021-07-10 11:08:32,290 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:08:32,292 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 8 treesize of output 6 [2021-07-10 11:08:32,293 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:08:32,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:08:32,296 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 [2021-07-10 11:08:32,297 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:08:32,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:08:32,299 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 16 treesize of output 12 [2021-07-10 11:08:32,300 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:08:32,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:08:32,302 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:08:32,325 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-10 11:08:32,325 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:08:32,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:08:32,326 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:08:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:08:32,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494604818] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:08:32,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:08:32,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-10 11:08:32,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74760659] [2021-07-10 11:08:32,377 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 11:08:32,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:08:32,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 11:08:32,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 11:08:32,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:08:32,378 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:08:32,378 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:08:32,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:08:32,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:08:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:08:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:08:35,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:08:35,068 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:08:35,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:08:35,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1099803072, now seen corresponding path program 39 times [2021-07-10 11:08:35,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:08:35,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821202097] [2021-07-10 11:08:35,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:08:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:08:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:08:35,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:08:35,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821202097] [2021-07-10 11:08:35,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821202097] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:08:35,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905706774] [2021-07-10 11:08:35,609 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 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 [2021-07-10 11:08:35,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-10 11:08:35,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:08:35,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 11:08:35,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:08:36,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:08:36,234 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 16 treesize of output 12 [2021-07-10 11:08:36,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:08:36,236 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 15 treesize of output 11 [2021-07-10 11:08:36,241 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:08:36,259 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:08:36,259 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:08:36,259 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:08:36,260 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:08:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:08:36,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905706774] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:08:36,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:08:36,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-10 11:08:36,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80095442] [2021-07-10 11:08:36,304 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 11:08:36,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:08:36,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 11:08:36,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 11:08:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:08:36,305 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:08:36,306 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:08:36,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:08:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:08:37,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:08:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:08:37,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:08:37,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable456 [2021-07-10 11:08:37,799 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:08:37,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:08:37,799 INFO L82 PathProgramCache]: Analyzing trace with hash 232583850, now seen corresponding path program 40 times [2021-07-10 11:08:37,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:08:37,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002940444] [2021-07-10 11:08:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:08:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:08:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:08:39,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:08:39,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002940444] [2021-07-10 11:08:39,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002940444] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:08:39,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695051887] [2021-07-10 11:08:39,912 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 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 [2021-07-10 11:08:39,965 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:08:39,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:08:39,967 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-10 11:08:39,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:08:42,702 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 11:08:43,162 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 11:08:43,626 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 11:08:44,144 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 11:08:44,724 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 11:08:45,303 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 11:08:45,783 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 11:08:46,279 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 11:08:46,872 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 11:08:47,433 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 11:08:48,013 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-10 11:08:48,533 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 11:08:49,083 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-10 11:08:49,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:08:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:08:49,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-07-10 11:08:49,221 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:08:49,266 INFO L628 ElimStorePlain]: treesize reduction 375, result has 2.8 percent of original size [2021-07-10 11:08:49,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-07-10 11:08:49,266 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:08:49,266 INFO L518 ElimStorePlain]: Eliminatee v_prenex_152 vanished before elimination [2021-07-10 11:08:49,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:08:49,267 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-10 11:08:49,391 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:08:49,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695051887] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:08:49,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:08:49,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-07-10 11:08:49,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865014443] [2021-07-10 11:08:49,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-10 11:08:49,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:08:49,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-10 11:08:49,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3768, Unknown=0, NotChecked=0, Total=3906 [2021-07-10 11:08:49,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:08:49,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:08:49,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 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) [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:08:49,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:08:49,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:08:54,234 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2021-07-10 11:08:56,006 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 108 [2021-07-10 11:08:56,915 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 111 [2021-07-10 11:08:57,708 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 118 [2021-07-10 11:08:58,526 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 169 [2021-07-10 11:08:59,385 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 174 [2021-07-10 11:09:00,252 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 174 [2021-07-10 11:09:01,169 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 232 [2021-07-10 11:09:02,085 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 174 [2021-07-10 11:09:03,005 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 174 [2021-07-10 11:09:03,876 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2021-07-10 11:09:04,787 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 181 [2021-07-10 11:09:05,634 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 183 [2021-07-10 11:09:06,485 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 182 [2021-07-10 11:09:07,424 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 232 [2021-07-10 11:09:07,941 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 115 [2021-07-10 11:09:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:08,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable458,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:09:08,421 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:09:08,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:09:08,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1413094528, now seen corresponding path program 41 times [2021-07-10 11:09:08,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:09:08,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560852590] [2021-07-10 11:09:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:09:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:09:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:09,040 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:09:09,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560852590] [2021-07-10 11:09:09,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560852590] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:09,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598787749] [2021-07-10 11:09:09,040 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:09:09,107 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-10 11:09:09,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:09:09,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-10 11:09:09,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:09:09,786 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 8 treesize of output 6 [2021-07-10 11:09:09,787 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:09,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:09:09,790 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 16 treesize of output 12 [2021-07-10 11:09:09,791 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:09,793 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 8 treesize of output 6 [2021-07-10 11:09:09,794 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:09,796 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 [2021-07-10 11:09:09,797 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:09,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:09:09,800 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 [2021-07-10 11:09:09,800 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:09,802 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 [2021-07-10 11:09:09,804 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:09,829 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-10 11:09:09,829 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:09:09,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:09:09,830 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:09:09,883 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:09,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598787749] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:09,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:09:09,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-10 11:09:09,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561041867] [2021-07-10 11:09:09,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 11:09:09,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:09:09,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 11:09:09,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 11:09:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:09,885 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:09:09,885 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:09,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:09,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:12,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:09:12,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable502,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:09:12,907 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:09:12,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:09:12,907 INFO L82 PathProgramCache]: Analyzing trace with hash 829938878, now seen corresponding path program 42 times [2021-07-10 11:09:12,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:09:12,908 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145737661] [2021-07-10 11:09:12,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:09:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:09:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:13,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:09:13,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145737661] [2021-07-10 11:09:13,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145737661] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:13,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923580910] [2021-07-10 11:09:13,515 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:09:13,579 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-10 11:09:13,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:09:13,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-10 11:09:13,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:09:14,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:09:14,234 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 15 treesize of output 11 [2021-07-10 11:09:14,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:14,237 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 16 treesize of output 12 [2021-07-10 11:09:14,238 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:14,253 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:09:14,253 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:09:14,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:09:14,254 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:09:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:14,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923580910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:14,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:09:14,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-10 11:09:14,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591786472] [2021-07-10 11:09:14,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-10 11:09:14,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:09:14,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-10 11:09:14,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-10 11:09:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:14,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:09:14,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:14,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:14,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:14,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:14,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:09:14,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:15,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:09:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:16,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable509,45 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:09:16,117 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:09:16,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:09:16,117 INFO L82 PathProgramCache]: Analyzing trace with hash -74957844, now seen corresponding path program 43 times [2021-07-10 11:09:16,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:09:16,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359322844] [2021-07-10 11:09:16,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:09:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:09:18,251 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:18,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:09:18,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359322844] [2021-07-10 11:09:18,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359322844] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:18,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781725886] [2021-07-10 11:09:18,252 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:09:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:09:18,310 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-10 11:09:18,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:09:21,383 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:21,954 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 11:09:22,473 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:23,082 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:23,640 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:24,156 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:24,689 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:25,241 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:25,997 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:26,582 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:27,143 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:27,775 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 11:09:28,353 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 162 [2021-07-10 11:09:28,995 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-10 11:09:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:09:29,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:09:29,224 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-07-10 11:09:29,225 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 179 treesize of output 117 [2021-07-10 11:09:29,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:29,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:09:29,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,317 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 181 treesize of output 119 [2021-07-10 11:09:29,322 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:29,450 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2021-07-10 11:09:29,451 INFO L628 ElimStorePlain]: treesize reduction 212, result has 49.0 percent of original size [2021-07-10 11:09:29,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:09:29,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 104 [2021-07-10 11:09:29,530 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:29,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:09:29,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:09:29,544 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 21 treesize of output 13 [2021-07-10 11:09:29,544 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:29,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:09:29,554 INFO L518 ElimStorePlain]: Eliminatee v_prenex_162 vanished before elimination [2021-07-10 11:09:29,556 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 11:09:29,556 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:741, output treesize:22 [2021-07-10 11:09:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:29,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781725886] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:29,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:09:29,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34] total 67 [2021-07-10 11:09:29,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302083753] [2021-07-10 11:09:29,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-10 11:09:29,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:09:29,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-10 11:09:29,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=4274, Unknown=0, NotChecked=0, Total=4422 [2021-07-10 11:09:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:29,684 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:09:29,684 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:29,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:29,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:09:29,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:29,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:35,616 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-07-10 11:09:36,358 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2021-07-10 11:09:36,946 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 175 [2021-07-10 11:09:37,510 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 185 [2021-07-10 11:09:38,212 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2021-07-10 11:09:38,970 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 11:09:39,721 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 11:09:40,553 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-10 11:09:41,388 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 11:09:42,185 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 11:09:42,975 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-10 11:09:43,760 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 11:09:44,645 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 11:09:45,436 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 11:09:46,225 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 11:09:47,019 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 197 [2021-07-10 11:09:48,010 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 199 [2021-07-10 11:09:48,755 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 197 [2021-07-10 11:09:49,278 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 121 [2021-07-10 11:09:49,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:09:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:49,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:49,779 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable511 [2021-07-10 11:09:49,780 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:09:49,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:09:49,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1938014846, now seen corresponding path program 44 times [2021-07-10 11:09:49,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:09:49,780 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401880925] [2021-07-10 11:09:49,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:09:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:09:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:50,478 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:09:50,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401880925] [2021-07-10 11:09:50,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401880925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:50,478 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837784078] [2021-07-10 11:09:50,478 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:09:50,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:09:50,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:09:50,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-10 11:09:50,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:09:51,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:09:51,270 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 [2021-07-10 11:09:51,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:51,274 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 [2021-07-10 11:09:51,275 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:51,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:09:51,277 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:51,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:09:51,280 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:51,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:09:51,282 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 16 treesize of output 12 [2021-07-10 11:09:51,283 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:51,284 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 [2021-07-10 11:09:51,285 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:51,307 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 11:09:51,307 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:09:51,307 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:09:51,307 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:09:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:51,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837784078] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:51,364 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:09:51,364 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-10 11:09:51,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446343460] [2021-07-10 11:09:51,364 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 11:09:51,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:09:51,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 11:09:51,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 11:09:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:51,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:09:51,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 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) [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:51,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:54,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 11:09:54,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable583 [2021-07-10 11:09:54,597 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:09:54,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:09:54,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1542393600, now seen corresponding path program 45 times [2021-07-10 11:09:54,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:09:54,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791535026] [2021-07-10 11:09:54,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:09:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:09:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:55,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:09:55,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791535026] [2021-07-10 11:09:55,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791535026] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:55,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308919864] [2021-07-10 11:09:55,261 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:09:55,332 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 11:09:55,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:09:55,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-10 11:09:55,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:09:56,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:09:56,051 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 16 treesize of output 12 [2021-07-10 11:09:56,052 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:56,054 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 15 treesize of output 11 [2021-07-10 11:09:56,055 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:09:56,070 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:09:56,071 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:09:56,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:09:56,071 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:09:56,131 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:56,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308919864] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:56,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:09:56,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-10 11:09:56,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69667951] [2021-07-10 11:09:56,132 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 11:09:56,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:09:56,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 11:09:56,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 11:09:56,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:56,133 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:09:56,133 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 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) [2021-07-10 11:09:56,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:56,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:56,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:56,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:56,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:56,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:56,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:56,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:56,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:09:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 11:09:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:09:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 11:09:58,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:09:58,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable590,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:09:58,255 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:09:58,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:09:58,265 INFO L82 PathProgramCache]: Analyzing trace with hash -602820630, now seen corresponding path program 46 times [2021-07-10 11:09:58,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:09:58,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991676176] [2021-07-10 11:09:58,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:09:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:09:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:09:59,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:09:59,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991676176] [2021-07-10 11:09:59,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991676176] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:09:59,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150835834] [2021-07-10 11:09:59,890 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 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:09:59,947 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:09:59,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:09:59,949 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-10 11:09:59,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:10:02,210 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-07-10 11:10:02,915 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-10 11:10:03,526 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 11:10:04,171 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 11:10:04,803 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 11:10:05,455 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 11:10:06,029 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 11:10:06,605 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 11:10:07,281 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 11:10:07,930 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 11:10:08,561 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 11:10:09,141 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 11:10:09,831 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 11:10:10,524 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 11:10:11,121 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-10 11:10:11,794 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 11:10:12,493 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-10 11:10:12,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:10:12,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:10:12,764 INFO L244 Elim1Store]: Index analysis took 186 ms [2021-07-10 11:10:12,765 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 192 treesize of output 126 [2021-07-10 11:10:12,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:10:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:10:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:10:12,862 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 190 treesize of output 124 [2021-07-10 11:10:12,867 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:10:12,883 INFO L628 ElimStorePlain]: treesize reduction 238, result has 4.4 percent of original size [2021-07-10 11:10:12,883 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-07-10 11:10:12,883 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:10:12,883 INFO L518 ElimStorePlain]: Eliminatee v_prenex_184 vanished before elimination [2021-07-10 11:10:12,883 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:10:12,883 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-10 11:10:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:10:12,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150835834] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:10:12,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:10:12,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 70 [2021-07-10 11:10:12,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837290059] [2021-07-10 11:10:12,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-10 11:10:12,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:10:12,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-10 11:10:12,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=4659, Unknown=0, NotChecked=0, Total=4830 [2021-07-10 11:10:12,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:10:12,994 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:10:12,994 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.1428571428571428) internal successors, (80), 70 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:10:12,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:10:12,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:10:37,768 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2021-07-10 11:10:41,788 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 176 [2021-07-10 11:10:42,419 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2021-07-10 11:10:43,040 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 179 [2021-07-10 11:10:43,815 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2021-07-10 11:10:44,472 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 11:10:45,260 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-10 11:10:46,084 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-10 11:10:46,791 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 11:10:47,496 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 11:10:48,364 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-10 11:10:49,306 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 185 [2021-07-10 11:10:50,013 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 11:10:50,746 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 11:10:51,437 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 11:10:52,113 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 11:10:52,799 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 186 [2021-07-10 11:10:53,189 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2021-07-10 11:10:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:10:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:10:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:10:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:10:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:10:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:10:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:10:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:10:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:10:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:10:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:10:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:10:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:10:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:10:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:10:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 11:10:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:10:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 11:10:53,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable592,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:10:53,624 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:10:53,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:10:53,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1540829632, now seen corresponding path program 47 times [2021-07-10 11:10:53,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:10:53,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821370790] [2021-07-10 11:10:53,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:10:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:10:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:10:54,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:10:54,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821370790] [2021-07-10 11:10:54,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821370790] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:10:54,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161537462] [2021-07-10 11:10:54,362 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:10:54,428 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-10 11:10:54,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:10:54,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 11:10:54,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:10:55,270 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 [2021-07-10 11:10:55,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:10:55,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:10:55,274 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 [2021-07-10 11:10:55,275 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:10:55,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:10:55,277 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 11:10:55,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:10:55,279 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 16 treesize of output 12 [2021-07-10 11:10:55,280 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 11:10:55,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 11:10:55,282 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 11:10:55,284 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 [2021-07-10 11:10:55,285 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 11:10:55,307 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-10 11:10:55,307 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:10:55,307 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 11:10:55,308 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-10 11:10:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:10:55,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161537462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:10:55,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:10:55,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-10 11:10:55,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904443100] [2021-07-10 11:10:55,368 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 11:10:55,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:10:55,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 11:10:55,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 11:10:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:10:55,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:10:55,369 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 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) [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:10:55,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:10:55,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:10:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:10:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:10:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:10:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:10:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:10:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:10:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 11:10:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:10:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 11:10:55,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:10:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:10:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 11:10:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-10 11:10:59,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable639 [2021-07-10 11:10:59,051 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:10:59,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:10:59,051 INFO L82 PathProgramCache]: Analyzing trace with hash -2059309058, now seen corresponding path program 48 times [2021-07-10 11:10:59,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:10:59,051 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526961990] [2021-07-10 11:10:59,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:10:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:10:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:10:59,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:10:59,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526961990] [2021-07-10 11:10:59,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526961990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:10:59,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903832015] [2021-07-10 11:10:59,836 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:10:59,912 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-10 11:10:59,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:10:59,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-10 11:10:59,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:11:00,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:11:00,778 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 15 treesize of output 11 [2021-07-10 11:11:00,779 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:11:00,781 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 16 treesize of output 12 [2021-07-10 11:11:00,782 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:11:00,798 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 11:11:00,798 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:11:00,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:11:00,798 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 11:11:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:11:00,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903832015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:11:00,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:11:00,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-10 11:11:00,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889495700] [2021-07-10 11:11:00,849 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 11:11:00,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:11:00,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 11:11:00,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 11:11:00,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:11:00,849 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:11:00,850 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 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) [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:11:00,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-10 11:11:00,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-10 11:11:02,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:11:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-10 11:11:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-10 11:11:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:11:03,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable645,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:11:03,044 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:11:03,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:11:03,045 INFO L82 PathProgramCache]: Analyzing trace with hash 552669356, now seen corresponding path program 49 times [2021-07-10 11:11:03,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:11:03,045 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54134980] [2021-07-10 11:11:03,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:11:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:11:04,908 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:11:04,908 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:11:04,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54134980] [2021-07-10 11:11:04,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54134980] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:11:04,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240874464] [2021-07-10 11:11:04,909 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 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:11:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:11:04,973 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-10 11:11:04,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:11:07,371 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-10 11:11:08,115 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-10 11:11:08,809 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 11:11:09,456 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 11:11:10,144 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 11:11:10,833 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 11:11:11,444 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 11:11:12,030 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 11:11:12,739 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 11:11:13,367 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 11:11:13,998 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 11:11:14,697 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 11:11:15,369 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 11:11:16,136 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 11:11:16,760 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 11:11:17,397 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 11:11:18,182 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-10 11:11:18,848 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-07-10 11:11:18,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:18,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:11:19,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:11:19,161 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-07-10 11:11:19,163 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 203 treesize of output 133 [2021-07-10 11:11:19,168 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:11:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:11:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:11:19,260 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 201 treesize of output 131 [2021-07-10 11:11:19,265 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:11:19,280 INFO L628 ElimStorePlain]: treesize reduction 259, result has 4.1 percent of original size [2021-07-10 11:11:19,280 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-10 11:11:19,280 INFO L518 ElimStorePlain]: Eliminatee v_prenex_203 vanished before elimination [2021-07-10 11:11:19,280 INFO L518 ElimStorePlain]: Eliminatee v_prenex_204 vanished before elimination [2021-07-10 11:11:19,280 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:11:19,280 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:635, output treesize:11 [2021-07-10 11:11:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:11:19,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240874464] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:11:19,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:11:19,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 73 [2021-07-10 11:11:19,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276313299] [2021-07-10 11:11:19,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-10 11:11:19,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:11:19,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-10 11:11:19,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=5078, Unknown=0, NotChecked=0, Total=5256 [2021-07-10 11:11:19,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:11:19,291 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:11:19,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 1.095890410958904) internal successors, (80), 73 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:11:19,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:11:19,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:11:19,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 11:11:19,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:11:19,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:11:19,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 11:11:19,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-10 11:11:19,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 11:11:19,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:11:42,980 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 11:11:43,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable647 [2021-07-10 11:11:43,182 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkValidity(IncrementalHoareTripleChecker.java:676) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 44 more [2021-07-10 11:11:43,195 INFO L168 Benchmark]: Toolchain (without parser) took 377004.07 ms. Allocated memory was 181.4 MB in the beginning and 496.0 MB in the end (delta: 314.6 MB). Free memory was 162.4 MB in the beginning and 358.8 MB in the end (delta: -196.4 MB). Peak memory consumption was 119.0 MB. Max. memory is 8.0 GB. [2021-07-10 11:11:43,196 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 163.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 11:11:43,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.09 ms. Allocated memory is still 181.4 MB. Free memory was 162.4 MB in the beginning and 160.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 11:11:43,196 INFO L168 Benchmark]: Boogie Preprocessor took 19.35 ms. Allocated memory is still 181.4 MB. Free memory was 160.8 MB in the beginning and 159.9 MB in the end (delta: 941.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 11:11:43,196 INFO L168 Benchmark]: RCFGBuilder took 350.95 ms. Allocated memory is still 181.4 MB. Free memory was 159.8 MB in the beginning and 142.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-10 11:11:43,196 INFO L168 Benchmark]: TraceAbstraction took 376602.33 ms. Allocated memory was 181.4 MB in the beginning and 496.0 MB in the end (delta: 314.6 MB). Free memory was 142.1 MB in the beginning and 358.8 MB in the end (delta: -216.7 MB). Peak memory consumption was 99.1 MB. Max. memory is 8.0 GB. [2021-07-10 11:11:43,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 163.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.09 ms. Allocated memory is still 181.4 MB. Free memory was 162.4 MB in the beginning and 160.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.35 ms. Allocated memory is still 181.4 MB. Free memory was 160.8 MB in the beginning and 159.9 MB in the end (delta: 941.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 350.95 ms. Allocated memory is still 181.4 MB. Free memory was 159.8 MB in the beginning and 142.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 376602.33 ms. Allocated memory was 181.4 MB in the beginning and 496.0 MB in the end (delta: 314.6 MB). Free memory was 142.1 MB in the beginning and 358.8 MB in the end (delta: -216.7 MB). Peak memory consumption was 99.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...