/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 05:46:40,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 05:46:40,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 05:46:40,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 05:46:40,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 05:46:40,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 05:46:40,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 05:46:40,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 05:46:40,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 05:46:40,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 05:46:40,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 05:46:40,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 05:46:40,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 05:46:40,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 05:46:40,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 05:46:40,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 05:46:40,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 05:46:40,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 05:46:40,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 05:46:40,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 05:46:40,121 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-DelaySleep-NoLbe.epf [2021-06-06 05:46:40,156 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 05:46:40,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 05:46:40,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 05:46:40,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 05:46:40,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 05:46:40,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 05:46:40,159 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 05:46:40,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 05:46:40,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 05:46:40,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 05:46:40,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 05:46:40,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 05:46:40,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 05:46:40,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 05:46:40,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 05:46:40,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 05:46:40,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 05:46:40,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 05:46:40,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 05:46:40,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 05:46:40,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 05:46:40,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 05:46:40,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 05:46:40,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:46:40,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 05:46:40,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 05:46:40,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 05:46:40,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 05:46:40,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 05:46:40,163 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 05:46:40,163 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 05:46:40,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 05:46:40,164 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 05:46:40,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 05:46:40,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 05:46:40,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 05:46:40,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 05:46:40,508 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 05:46:40,511 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 05:46:40,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-06-06 05:46:40,512 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-06-06 05:46:40,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 05:46:40,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 05:46:40,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 05:46:40,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 05:46:40,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 05:46:40,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/1) ... [2021-06-06 05:46:40,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/1) ... [2021-06-06 05:46:40,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 05:46:40,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 05:46:40,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 05:46:40,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 05:46:40,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/1) ... [2021-06-06 05:46:40,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/1) ... [2021-06-06 05:46:40,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/1) ... [2021-06-06 05:46:40,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/1) ... [2021-06-06 05:46:40,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/1) ... [2021-06-06 05:46:40,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/1) ... [2021-06-06 05:46:40,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/1) ... [2021-06-06 05:46:40,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 05:46:40,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 05:46:40,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 05:46:40,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 05:46:40,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:46:40,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 05:46:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 05:46:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 05:46:40,648 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 05:46:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 05:46:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 05:46:40,649 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 05:46:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 05:46:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 05:46:40,649 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 05:46:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 05:46:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 05:46:40,650 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 05:46:40,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 05:46:40,885 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 05:46:40,887 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:46:40 BoogieIcfgContainer [2021-06-06 05:46:40,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 05:46:40,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 05:46:40,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 05:46:40,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 05:46:40,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:40" (1/2) ... [2021-06-06 05:46:40,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c1584c and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 05:46:40, skipping insertion in model container [2021-06-06 05:46:40,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:46:40" (2/2) ... [2021-06-06 05:46:40,893 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-06-06 05:46:40,898 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 05:46:40,898 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 05:46:40,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 05:46:40,899 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 05:46:40,935 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 05:46:40,967 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 05:46:41,065 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 05:46:41,065 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 05:46:41,065 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 05:46:41,065 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 05:46:41,065 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 05:46:41,065 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 05:46:41,066 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 05:46:41,066 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 05:46:41,122 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:41,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:41,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-06 05:46:41,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:41,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779346500] [2021-06-06 05:46:41,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:41,345 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:41,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779346500] [2021-06-06 05:46:41,347 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779346500] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:46:41,347 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:46:41,347 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 05:46:41,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242088553] [2021-06-06 05:46:41,351 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 05:46:41,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:41,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 05:46:41,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 05:46:41,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:41,374 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:41,377 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:41,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:41,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:41,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 05:46:41,411 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:41,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:41,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-06 05:46:41,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:41,415 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525378993] [2021-06-06 05:46:41,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:41,461 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:41,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525378993] [2021-06-06 05:46:41,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525378993] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:46:41,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:46:41,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 05:46:41,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105159248] [2021-06-06 05:46:41,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 05:46:41,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:41,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 05:46:41,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 05:46:41,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:41,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:41,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:41,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:41,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:41,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:41,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:41,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 05:46:41,525 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:41,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:41,526 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-06 05:46:41,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:41,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362909525] [2021-06-06 05:46:41,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:41,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:41,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362909525] [2021-06-06 05:46:41,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362909525] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:41,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889489735] [2021-06-06 05:46:41,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:42,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 05:46:42,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:42,403 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 21 treesize of output 13 [2021-06-06 05:46:42,406 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:42,409 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 16 treesize of output 10 [2021-06-06 05:46:42,410 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:42,419 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 16 treesize of output 10 [2021-06-06 05:46:42,422 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:42,436 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:42,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:46:42,440 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:103, output treesize:21 [2021-06-06 05:46:42,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:42,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889489735] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:42,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:42,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:46:42,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519872255] [2021-06-06 05:46:42,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:46:42,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:42,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:46:42,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:46:42,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:42,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:42,517 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:42,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:42,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:42,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:42,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:42,893 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:42,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:42,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-06 05:46:42,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:42,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504620266] [2021-06-06 05:46:42,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:42,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:42,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504620266] [2021-06-06 05:46:42,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504620266] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:42,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932110231] [2021-06-06 05:46:42,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:43,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:46:43,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:43,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:46:43,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:43,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932110231] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:43,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:43,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 05:46:43,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300193496] [2021-06-06 05:46:43,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:46:43,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:43,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:46:43,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:46:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:43,149 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:43,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:43,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:43,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:43,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:43,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:43,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:43,529 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:43,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:43,529 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-06 05:46:43,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:43,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660534165] [2021-06-06 05:46:43,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:43,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:43,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660534165] [2021-06-06 05:46:43,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660534165] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:43,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222198345] [2021-06-06 05:46:43,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:43,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:46:43,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:43,778 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:43,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222198345] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:43,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:43,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:46:43,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012860353] [2021-06-06 05:46:43,779 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 05:46:43,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:43,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 05:46:43,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 05:46:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:43,783 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:43,783 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:43,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:43,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:43,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:43,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:43,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:44,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:44,105 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:44,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:44,105 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-06 05:46:44,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:44,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144079526] [2021-06-06 05:46:44,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:44,817 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2021-06-06 05:46:45,125 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-06-06 05:46:45,419 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-06 05:46:45,643 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2021-06-06 05:46:45,858 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-06 05:46:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:45,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:45,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144079526] [2021-06-06 05:46:45,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144079526] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:45,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869981716] [2021-06-06 05:46:45,988 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:46,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:46:46,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:46,038 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 05:46:46,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:47,528 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-06-06 05:46:49,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:49,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:49,413 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:49,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 05:46:49,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:49,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:49,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:49,487 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:46:49,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 05:46:49,494 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:51,138 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 350 [2021-06-06 05:46:51,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:51,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,229 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:51,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 35 [2021-06-06 05:46:51,236 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:51,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,321 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:51,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 05:46:51,336 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:52,951 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 341 [2021-06-06 05:46:52,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:53,039 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:53,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 05:46:53,064 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:53,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:53,149 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:46:53,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-06-06 05:46:53,168 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:56,306 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-06-06 05:46:56,307 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-06-06 05:46:56,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:56,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:56,384 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:46:56,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 05:46:56,398 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:56,512 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:46:56,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 05:46:56,518 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:58,042 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 320 [2021-06-06 05:46:58,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:58,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:58,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:58,158 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:46:58,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 54 [2021-06-06 05:46:58,172 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:58,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:58,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:58,284 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:58,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 05:46:58,290 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:59,719 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-06 05:46:59,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:59,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:59,805 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 05:46:59,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 34 [2021-06-06 05:46:59,807 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:59,876 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:59,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 39 [2021-06-06 05:46:59,892 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:01,317 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 302 [2021-06-06 05:47:01,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:01,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:01,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:01,395 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:47:01,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 40 [2021-06-06 05:47:01,400 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:01,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:01,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:01,457 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:47:01,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 39 [2021-06-06 05:47:01,460 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:02,800 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 290 [2021-06-06 05:47:02,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:02,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:02,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:02,887 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:47:02,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 05:47:02,898 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:02,967 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:47:02,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-06 05:47:02,970 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:05,571 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 289 DAG size of output: 288 [2021-06-06 05:47:05,572 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.7 percent of original size [2021-06-06 05:47:05,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:05,672 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:05,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 60 [2021-06-06 05:47:05,694 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:05,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:05,767 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 05:47:05,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 31 [2021-06-06 05:47:05,771 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:07,020 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 273 [2021-06-06 05:47:07,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:07,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:07,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:07,094 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:07,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-06 05:47:07,110 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:07,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:07,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:07,200 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 05:47:07,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-06-06 05:47:07,222 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:09,580 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2021-06-06 05:47:09,580 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.1 percent of original size [2021-06-06 05:47:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:09,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:09,662 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:47:09,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-06 05:47:09,664 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:09,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:09,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:09,708 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:47:09,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-06 05:47:09,710 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:10,896 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 248 [2021-06-06 05:47:10,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:10,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,970 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:47:10,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-06 05:47:10,974 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:10,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:10,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:11,023 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:47:11,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-06 05:47:11,029 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:12,109 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 238 [2021-06-06 05:47:12,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:12,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:12,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:12,178 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:47:12,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 05:47:12,193 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:12,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:12,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:12,243 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:47:12,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 37 [2021-06-06 05:47:12,248 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:13,268 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 225 [2021-06-06 05:47:13,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:13,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:13,335 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:47:13,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-06 05:47:13,342 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:13,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:13,396 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:47:13,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 05:47:13,415 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:14,424 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 214 [2021-06-06 05:47:14,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:14,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:14,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:14,488 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 05:47:14,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 49 [2021-06-06 05:47:14,500 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:14,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:14,551 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:47:14,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 48 [2021-06-06 05:47:14,559 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:15,478 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-06-06 05:47:15,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:15,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:15,538 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:47:15,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-06 05:47:15,552 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:15,602 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 05:47:15,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-06 05:47:15,605 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:16,483 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-06 05:47:16,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:16,742 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-06 05:47:16,742 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2233, output treesize:2097 [2021-06-06 05:47:17,467 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2021-06-06 05:47:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:17,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869981716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:17,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:17,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 05:47:17,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972298327] [2021-06-06 05:47:17,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 05:47:17,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:17,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 05:47:17,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 05:47:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:17,635 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:17,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 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) [2021-06-06 05:47:17,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:17,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:17,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:17,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:17,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:17,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:17,842 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2021-06-06 05:47:18,197 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-06-06 05:47:18,564 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2021-06-06 05:47:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:18,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 05:47:18,896 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:18,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:18,897 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-06 05:47:18,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:18,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510795233] [2021-06-06 05:47:18,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:18,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:18,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510795233] [2021-06-06 05:47:18,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510795233] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:18,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283083841] [2021-06-06 05:47:18,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:19,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 05:47:19,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:47:19,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:47:19,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:19,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283083841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:19,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:19,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 05:47:19,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019276024] [2021-06-06 05:47:19,184 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 05:47:19,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:19,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 05:47:19,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 05:47:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:19,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:19,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:47:19,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:19,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:19,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:19,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:19,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:19,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:19,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:47:19,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:19,815 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:19,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:19,815 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-06 05:47:19,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:19,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687961138] [2021-06-06 05:47:19,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:47:19,885 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:19,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687961138] [2021-06-06 05:47:19,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687961138] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:19,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459713206] [2021-06-06 05:47:19,886 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:19,918 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 05:47:19,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:47:19,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:47:19,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:47:20,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459713206] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:20,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:20,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 05:47:20,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840590368] [2021-06-06 05:47:20,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 05:47:20,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:20,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 05:47:20,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 05:47:20,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:20,042 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:20,042 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:47:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:47:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:20,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:20,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:20,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:20,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:20,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:20,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:20,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:47:20,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:20,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-06 05:47:20,401 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:20,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:20,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-06 05:47:20,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:20,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219906417] [2021-06-06 05:47:20,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:21,753 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2021-06-06 05:47:22,063 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2021-06-06 05:47:22,283 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2021-06-06 05:47:22,619 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 89 [2021-06-06 05:47:25,198 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 320 DAG size of output: 295 [2021-06-06 05:47:26,029 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 131 [2021-06-06 05:47:29,342 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 310 DAG size of output: 299 [2021-06-06 05:47:30,240 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 150 [2021-06-06 05:47:33,005 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 305 DAG size of output: 293 [2021-06-06 05:47:33,890 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 145 [2021-06-06 05:47:35,443 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 258 DAG size of output: 258 [2021-06-06 05:47:36,258 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 118 [2021-06-06 05:47:37,797 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 201 DAG size of output: 170 [2021-06-06 05:47:38,165 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 66 [2021-06-06 05:47:39,123 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 107 [2021-06-06 05:47:39,317 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-06-06 05:47:40,246 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-06-06 05:47:40,433 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 40 [2021-06-06 05:47:40,703 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:40,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:40,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219906417] [2021-06-06 05:47:40,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219906417] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:40,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305822210] [2021-06-06 05:47:40,704 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:40,777 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 05:47:40,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:47:40,778 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 05:47:40,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:41,229 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-06-06 05:47:42,714 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 05:47:44,255 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 05:47:46,674 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 05:47:48,482 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 365 [2021-06-06 05:47:50,352 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 367 [2021-06-06 05:47:52,073 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-06 05:47:53,680 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-06 05:47:55,841 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-06-06 05:47:56,746 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_160, v_prenex_162, v_prenex_140, v_prenex_120, v_prenex_142, v_prenex_164, v_prenex_144, v_prenex_166, v_prenex_122, v_prenex_146, v_prenex_124, v_prenex_168, v_prenex_126, v_prenex_148, v_prenex_128, v_prenex_150, v_prenex_130, v_prenex_154, v_prenex_132, v_prenex_111, v_prenex_134, v_prenex_156, v_prenex_158, v_prenex_114, v_prenex_136, v_prenex_138, v_prenex_116, v_prenex_107, A, v_prenex_109], 15=[v_prenex_118, v_prenex_152]} [2021-06-06 05:47:56,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:56,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:56,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:56,839 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 43 treesize of output 25 [2021-06-06 05:47:56,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:56,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:56,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:56,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:56,908 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 48 treesize of output 28 [2021-06-06 05:47:56,915 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:04,082 WARN L205 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 807 DAG size of output: 753 [2021-06-06 05:48:04,084 INFO L628 ElimStorePlain]: treesize reduction 1224, result has 68.9 percent of original size [2021-06-06 05:48:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:04,150 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:04,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:04,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:04,188 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 54 treesize of output 28 [2021-06-06 05:48:04,199 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:07,026 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 739 [2021-06-06 05:48:07,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:07,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:07,127 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:07,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:07,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:07,182 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 54 treesize of output 28 [2021-06-06 05:48:07,185 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:09,910 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 723 [2021-06-06 05:48:09,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:09,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:09,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:09,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:09,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:09,968 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 49 treesize of output 25 [2021-06-06 05:48:09,969 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:10,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:10,010 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:12,579 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 707 [2021-06-06 05:48:12,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:12,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:12,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:12,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:12,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:12,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:12,621 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 45 treesize of output 25 [2021-06-06 05:48:12,623 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:15,073 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 693 [2021-06-06 05:48:15,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:15,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:15,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:15,109 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 45 treesize of output 25 [2021-06-06 05:48:15,111 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:17,574 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-06 05:48:17,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:17,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:17,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:17,609 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 47 treesize of output 25 [2021-06-06 05:48:17,611 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:19,977 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 663 [2021-06-06 05:48:19,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:20,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:20,023 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 49 treesize of output 25 [2021-06-06 05:48:20,025 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:22,394 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 648 [2021-06-06 05:48:22,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:22,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:22,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:22,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:22,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:22,434 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 49 treesize of output 25 [2021-06-06 05:48:22,436 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:24,692 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-06 05:48:24,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:48:24,748 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:24,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:24,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:24,781 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 52 treesize of output 28 [2021-06-06 05:48:24,785 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:26,821 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 618 [2021-06-06 05:48:26,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:26,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:26,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:26,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:26,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:26,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:26,870 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 43 treesize of output 25 [2021-06-06 05:48:26,873 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:26,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:26,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:26,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:26,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:26,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-06 05:48:26,919 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:28,971 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 601 [2021-06-06 05:48:28,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:28,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:28,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:28,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:29,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:29,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:29,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:29,018 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 54 treesize of output 28 [2021-06-06 05:48:29,020 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:29,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:29,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:29,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:29,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:29,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:29,053 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:30,997 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 585 [2021-06-06 05:48:30,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:31,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:31,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:31,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:31,028 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 47 treesize of output 25 [2021-06-06 05:48:31,029 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:32,883 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 570 [2021-06-06 05:48:32,884 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:32,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:32,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:32,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:32,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 05:48:32,936 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:32,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:32,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:32,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:32,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:32,965 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 50 treesize of output 28 [2021-06-06 05:48:32,966 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:34,711 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 553 [2021-06-06 05:48:34,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:34,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:34,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:34,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:34,755 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 52 treesize of output 28 [2021-06-06 05:48:34,757 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:34,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:34,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:34,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:48:34,787 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:36,465 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 536 [2021-06-06 05:48:36,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:36,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:36,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:36,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:36,514 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 54 treesize of output 28 [2021-06-06 05:48:36,516 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:36,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:36,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:36,547 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:38,118 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 519 [2021-06-06 05:48:38,119 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:38,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:38,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:38,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:38,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:38,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-06 05:48:38,165 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:38,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:38,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:38,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:38,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:38,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:38,193 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 45 treesize of output 25 [2021-06-06 05:48:38,194 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:39,664 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-06 05:48:39,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:39,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:39,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:39,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:39,691 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 49 treesize of output 25 [2021-06-06 05:48:39,693 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:41,117 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 488 [2021-06-06 05:48:41,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:41,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:41,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:41,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:41,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:41,148 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 49 treesize of output 25 [2021-06-06 05:48:41,149 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:42,516 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 473 [2021-06-06 05:48:42,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:42,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:42,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:42,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:42,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:48:42,559 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:42,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:42,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:42,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:42,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:42,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:42,585 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 47 treesize of output 25 [2021-06-06 05:48:42,587 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:43,845 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 456 [2021-06-06 05:48:43,846 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:43,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:43,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:43,871 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 49 treesize of output 25 [2021-06-06 05:48:43,872 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:45,092 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 441 [2021-06-06 05:48:45,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:45,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:45,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:45,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:45,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:45,118 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 49 treesize of output 25 [2021-06-06 05:48:45,119 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:46,289 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 426 [2021-06-06 05:48:46,290 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:46,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:46,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:46,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:46,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:46,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:46,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:46,326 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 52 treesize of output 28 [2021-06-06 05:48:46,328 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:46,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:46,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:46,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:46,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:46,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-06 05:48:46,353 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:47,443 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-06 05:48:47,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:47,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:47,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:47,472 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 49 treesize of output 25 [2021-06-06 05:48:47,489 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:48,557 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-06 05:48:48,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:48,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:48,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:48,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:48,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:48,581 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 47 treesize of output 25 [2021-06-06 05:48:48,597 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:49,646 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 379 [2021-06-06 05:48:49,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:49,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:49,669 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 47 treesize of output 25 [2021-06-06 05:48:49,671 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:50,682 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 05:48:50,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:50,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:50,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:50,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:50,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:50,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:50,718 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:50,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:50,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:50,738 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 54 treesize of output 28 [2021-06-06 05:48:50,740 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:51,664 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-06-06 05:48:51,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:51,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:51,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:51,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:51,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:51,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:51,688 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 49 treesize of output 25 [2021-06-06 05:48:51,690 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:52,606 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2021-06-06 05:48:52,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:52,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:52,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:52,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:52,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:52,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:52,648 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:52,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:52,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:52,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:52,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:52,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:52,671 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 54 treesize of output 28 [2021-06-06 05:48:52,673 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:53,493 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-06-06 05:48:53,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:53,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:53,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:53,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:53,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:53,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:53,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:53,523 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 54 treesize of output 28 [2021-06-06 05:48:53,524 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:53,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:53,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:53,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-06 05:48:53,545 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:54,294 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-06 05:48:54,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:54,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:54,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:48:54,320 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 42 treesize of output 22 [2021-06-06 05:48:54,322 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:55,027 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-06 05:48:55,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:55,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:48:55,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-06-06 05:48:55,053 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:55,744 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-06 05:48:55,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:48:55,778 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-06 05:48:55,778 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:226 [2021-06-06 05:48:56,044 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2021-06-06 05:48:56,069 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:48:56,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305822210] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:56,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:48:56,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 05:48:56,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624778800] [2021-06-06 05:48:56,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 05:48:56,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:48:56,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 05:48:56,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2021-06-06 05:48:56,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:56,075 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:48:56,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:48:56,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:48:56,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:48:56,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:48:56,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:48:56,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:48:56,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:56,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:48:56,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:48:56,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:48:56,500 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2021-06-06 05:48:56,875 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2021-06-06 05:48:57,318 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-06-06 05:48:57,580 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2021-06-06 05:48:57,874 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 67 [2021-06-06 05:48:58,178 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 85 [2021-06-06 05:48:59,011 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 127 [2021-06-06 05:49:01,475 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 238 DAG size of output: 123 [2021-06-06 05:49:05,436 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 540 DAG size of output: 162 [2021-06-06 05:49:05,800 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-06-06 05:49:06,381 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-06 05:49:06,709 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-06-06 05:49:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:49:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:49:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:49:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:49:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:49:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:49:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:49:06,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:49:06,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 05:49:06,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-06-06 05:49:06,998 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:49:06,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:49:06,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-06 05:49:06,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:49:06,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112045543] [2021-06-06 05:49:06,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:49:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:49:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:49:07,122 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:49:07,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112045543] [2021-06-06 05:49:07,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112045543] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:49:07,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045041257] [2021-06-06 05:49:07,122 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:49:07,165 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 05:49:07,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:49:07,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 05:49:07,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:49:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:49:07,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045041257] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:49:07,444 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:49:07,444 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-06 05:49:07,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801167083] [2021-06-06 05:49:07,444 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 05:49:07,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:49:07,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 05:49:07,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-06 05:49:07,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:49:07,445 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:49:07,446 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:49:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:49:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:49:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:49:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:49:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:49:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:49:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:49:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:49:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 05:49:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:49:07,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:49:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:49:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:49:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:49:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:49:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:49:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:49:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:49:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 05:49:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:49:07,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable434,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:49:07,889 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:49:07,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:49:07,889 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-06 05:49:07,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:49:07,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310225065] [2021-06-06 05:49:07,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:49:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:49:11,402 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2021-06-06 05:49:12,618 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 223 DAG size of output: 122 [2021-06-06 05:49:12,908 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2021-06-06 05:49:19,175 WARN L205 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 419 DAG size of output: 328 [2021-06-06 05:49:19,821 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 70 [2021-06-06 05:51:18,376 WARN L205 SmtUtils]: Spent 1.98 m on a formula simplification. DAG size of input: 701 DAG size of output: 581 [2021-06-06 05:51:18,489 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 581 [2021-06-06 05:51:20,532 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 581 DAG size of output: 126 [2021-06-06 05:55:11,789 WARN L205 SmtUtils]: Spent 3.85 m on a formula simplification. DAG size of input: 759 DAG size of output: 752 [2021-06-06 05:55:14,643 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 751 DAG size of output: 179 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown