/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/min-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 11:48:57,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 11:48:57,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 11:48:57,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 11:48:57,783 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 11:48:57,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 11:48:57,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 11:48:57,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 11:48:57,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 11:48:57,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 11:48:57,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 11:48:57,810 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 11:48:57,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 11:48:57,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 11:48:57,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 11:48:57,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 11:48:57,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 11:48:57,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 11:48:57,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:48:57,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 11:48:57,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 11:48:57,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 11:48:57,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 11:48:57,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 11:48:57,812 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 11:48:57,812 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 11:48:57,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 11:48:57,813 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 11:48:57,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 11:48:58,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 11:48:58,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 11:48:58,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 11:48:58,068 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 11:48:58,068 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 11:48:58,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2021-06-06 11:48:58,069 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2021-06-06 11:48:58,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 11:48:58,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 11:48:58,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 11:48:58,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 11:48:58,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 11:48:58,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (1/1) ... [2021-06-06 11:48:58,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (1/1) ... [2021-06-06 11:48:58,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 11:48:58,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 11:48:58,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 11:48:58,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 11:48:58,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (1/1) ... [2021-06-06 11:48:58,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (1/1) ... [2021-06-06 11:48:58,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (1/1) ... [2021-06-06 11:48:58,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (1/1) ... [2021-06-06 11:48:58,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (1/1) ... [2021-06-06 11:48:58,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (1/1) ... [2021-06-06 11:48:58,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (1/1) ... [2021-06-06 11:48:58,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 11:48:58,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 11:48:58,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 11:48:58,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 11:48:58,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (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 11:48:58,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 11:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 11:48:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 11:48:58,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 11:48:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 11:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 11:48:58,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 11:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 11:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 11:48:58,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 11:48:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 11:48:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 11:48:58,184 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 11:48:58,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 11:48:58,347 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 11:48:58,348 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:48:58 BoogieIcfgContainer [2021-06-06 11:48:58,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 11:48:58,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 11:48:58,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 11:48:58,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 11:48:58,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:48:58" (1/2) ... [2021-06-06 11:48:58,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa78afe and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:48:58, skipping insertion in model container [2021-06-06 11:48:58,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:48:58" (2/2) ... [2021-06-06 11:48:58,353 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2021-06-06 11:48:58,357 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 11:48:58,357 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 11:48:58,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 11:48:58,358 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 11:48:58,411 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 11:48:58,430 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) [2021-06-06 11:48:58,490 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 11:48:58,490 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 11:48:58,491 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 11:48:58,491 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 11:48:58,491 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 11:48:58,491 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 11:48:58,491 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 11:48:58,491 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 11:48:58,533 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:48:58,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:48:58,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-06 11:48:58,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:48:58,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658073892] [2021-06-06 11:48:58,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:48:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:48:58,689 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 11:48:58,689 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:48:58,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658073892] [2021-06-06 11:48:58,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658073892] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:48:58,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:48:58,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 11:48:58,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185515331] [2021-06-06 11:48:58,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 11:48:58,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:48:58,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 11:48:58,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 11:48:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:48:58,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:48:58,710 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 11:48:58,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:48:58,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:48:58,735 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 11:48:58,735 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:48:58,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:48:58,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-06 11:48:58,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:48:58,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715110226] [2021-06-06 11:48:58,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:48:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:48:58,771 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 11:48:58,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:48:58,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715110226] [2021-06-06 11:48:58,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715110226] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:48:58,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:48:58,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 11:48:58,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327376907] [2021-06-06 11:48:58,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 11:48:58,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:48:58,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 11:48:58,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 11:48:58,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:48:58,773 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:48:58,773 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 11:48:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:48:58,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:48:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:48:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:48:58,810 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 11:48:58,810 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:48:58,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:48:58,810 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-06 11:48:58,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:48:58,810 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926887904] [2021-06-06 11:48:58,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:48:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:48:59,211 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 11:48:59,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:48:59,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926887904] [2021-06-06 11:48:59,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926887904] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:48:59,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638884610] [2021-06-06 11:48:59,212 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 11:48:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:48:59,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 11:48:59,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:48:59,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:48:59,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:48:59,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-06-06 11:48:59,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:48:59,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:48:59,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:48:59,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 11:48:59,658 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:48:59,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:48:59,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 11:48:59,662 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:48:59,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:48:59,673 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 11:48:59,674 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-06-06 11:48:59,713 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 11:48:59,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638884610] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:48:59,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:48:59,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:48:59,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94404443] [2021-06-06 11:48:59,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 11:48:59,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:48:59,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 11:48:59,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-06 11:48:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:48:59,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:48:59,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:48:59,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:48:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:48:59,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:48:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:48:59,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:48:59,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:00,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:49:00,045 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:00,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:00,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-06 11:49:00,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:00,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262347526] [2021-06-06 11:49:00,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:00,108 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 11:49:00,109 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:00,109 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262347526] [2021-06-06 11:49:00,109 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262347526] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:00,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687287633] [2021-06-06 11:49:00,110 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 11:49:00,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:49:00,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:49:00,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:49:00,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:49:00,243 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 11:49:00,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687287633] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:00,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:49:00,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:49:00,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485649264] [2021-06-06 11:49:00,245 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 11:49:00,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:49:00,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 11:49:00,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 11:49:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:00,246 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:49:00,246 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 11:49:00,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:49:00,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:00,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:00,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:00,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:49:00,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:00,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:00,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:00,605 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 11:49:00,605 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:00,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:00,606 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-06 11:49:00,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:00,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665507237] [2021-06-06 11:49:00,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:00,657 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 11:49:00,657 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:00,657 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665507237] [2021-06-06 11:49:00,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665507237] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:00,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709492769] [2021-06-06 11:49:00,658 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 11:49:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:00,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:49:00,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:49:00,771 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 11:49:00,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709492769] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:00,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:49:00,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 11:49:00,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128077048] [2021-06-06 11:49:00,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 11:49:00,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:49:00,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 11:49:00,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 11:49:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:00,773 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:49:00,773 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 11:49:00,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:49:00,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:00,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:00,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:00,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:49:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:49:01,067 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:49:01,067 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:01,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:01,068 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-06 11:49:01,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:01,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226587041] [2021-06-06 11:49:01,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:01,549 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-06-06 11:49:01,721 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-06-06 11:49:01,894 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2021-06-06 11:49:02,069 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2021-06-06 11:49:02,228 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-06-06 11:49:02,357 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 11:49:02,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:02,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226587041] [2021-06-06 11:49:02,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226587041] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:02,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296737390] [2021-06-06 11:49:02,358 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 11:49:02,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:49:02,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:49:02,406 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 11:49:02,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:49:03,640 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-06 11:49:05,076 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_71, v_prenex_65, v_prenex_75, v_prenex_73, v_prenex_69, v_prenex_57, v_prenex_46, v_prenex_55, v_prenex_59, v_prenex_48], 10=[v_prenex_50, v_prenex_61, v_prenex_53, v_prenex_63, v_prenex_67]} [2021-06-06 11:49:05,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:05,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:05,187 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:49:05,187 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 11:49:05,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:05,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:05,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:05,271 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:49:05,272 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 11:49:05,274 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:08,710 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 370 DAG size of output: 368 [2021-06-06 11:49:08,711 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-06-06 11:49:08,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:08,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:08,804 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:08,804 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 11:49:08,827 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:08,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:08,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:08,915 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 11:49:08,915 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 11:49:08,954 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:12,221 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 365 DAG size of output: 359 [2021-06-06 11:49:12,222 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 11:49:12,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:12,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:12,301 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:49:12,302 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 11:49:12,310 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:12,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:12,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:12,384 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:49:12,384 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 47 treesize of output 53 [2021-06-06 11:49:12,388 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:13,990 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 351 [2021-06-06 11:49:13,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:14,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:14,071 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:49:14,071 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 11:49:14,078 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:14,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:14,172 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:49:14,173 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 11:49:14,180 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:15,712 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 11:49:15,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:15,798 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:49:15,798 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 11:49:15,809 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:15,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:15,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:15,870 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:49:15,870 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 11:49:15,872 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:17,413 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 336 [2021-06-06 11:49:17,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:17,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:17,496 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:49:17,497 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 11:49:17,498 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:17,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:17,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:17,556 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:49:17,556 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 11:49:17,569 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:19,031 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 325 [2021-06-06 11:49:19,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:19,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:19,101 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:49:19,102 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 11:49:19,103 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:19,165 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:49:19,165 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 11:49:19,170 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:20,549 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-06 11:49:20,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:20,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:20,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:20,625 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 11:49:20,625 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 11:49:20,632 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:20,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:20,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:20,692 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:20,693 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 11:49:20,704 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:23,360 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 306 DAG size of output: 299 [2021-06-06 11:49:23,361 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.2 percent of original size [2021-06-06 11:49:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:23,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:23,429 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 11:49:23,429 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 42 [2021-06-06 11:49:23,434 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:23,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:23,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:23,484 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:49:23,485 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 41 [2021-06-06 11:49:23,487 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:24,736 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-06 11:49:24,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:24,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:24,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:24,794 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-06 11:49:24,794 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 11:49:24,796 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:24,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:24,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:24,860 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 11:49:24,860 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 11:49:24,864 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:26,052 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 274 [2021-06-06 11:49:26,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:26,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:26,119 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:49:26,119 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 11:49:26,122 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:26,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:26,178 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 11:49:26,179 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 52 [2021-06-06 11:49:26,187 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:27,327 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 263 [2021-06-06 11:49:27,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:27,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:27,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:27,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:27,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:27,396 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-06-06 11:49:27,396 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 37 treesize of output 35 [2021-06-06 11:49:27,399 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:27,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:27,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:27,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:27,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:27,455 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:27,455 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 32 treesize of output 66 [2021-06-06 11:49:27,467 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:28,564 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 255 [2021-06-06 11:49:28,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:28,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:28,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:28,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:28,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:28,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:28,633 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 11:49:28,634 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 54 [2021-06-06 11:49:28,640 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:28,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:28,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:28,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:28,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:28,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:28,701 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-06-06 11:49:28,701 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 39 treesize of output 53 [2021-06-06 11:49:28,710 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:29,776 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 241 [2021-06-06 11:49:29,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:29,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:29,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:29,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:29,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:29,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:29,832 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-06-06 11:49:29,832 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 40 [2021-06-06 11:49:29,834 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:29,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:29,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:29,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:29,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:29,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:29,876 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-06 11:49:29,876 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 39 treesize of output 41 [2021-06-06 11:49:29,887 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:30,908 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 233 [2021-06-06 11:49:30,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:30,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:30,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:30,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:30,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:30,968 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-06 11:49:30,968 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 43 treesize of output 41 [2021-06-06 11:49:30,976 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:30,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:30,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:30,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:30,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:30,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:31,025 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 11:49:31,025 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 48 treesize of output 54 [2021-06-06 11:49:31,035 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:32,000 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-06-06 11:49:32,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:32,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:32,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:32,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:32,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:32,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:32,053 INFO L354 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2021-06-06 11:49:32,053 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 43 treesize of output 39 [2021-06-06 11:49:32,059 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:32,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:32,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:32,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:32,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:32,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:32,105 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-06 11:49:32,105 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 48 treesize of output 54 [2021-06-06 11:49:32,116 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:33,021 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-06 11:49:33,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:33,244 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 11:49:33,244 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2330 [2021-06-06 11:49:34,028 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 77 [2021-06-06 11:49:34,162 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 11:49:34,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296737390] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:34,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:49:34,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 11:49:34,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758186030] [2021-06-06 11:49:34,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 11:49:34,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:49:34,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 11:49:34,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 11:49:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:34,164 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:49:34,164 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 11:49:34,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:49:34,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:34,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:34,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:34,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:49:34,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:34,349 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2021-06-06 11:49:34,582 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2021-06-06 11:49:34,832 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-06 11:49:35,219 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-06 11:49:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:49:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:49:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:49:35,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 11:49:35,548 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:35,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:35,548 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-06 11:49:35,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:35,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477840148] [2021-06-06 11:49:35,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:35,619 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 11:49:35,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:35,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477840148] [2021-06-06 11:49:35,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477840148] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:35,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087985095] [2021-06-06 11:49:35,620 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 11:49:35,653 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 11:49:35,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:49:35,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:49:35,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:49:35,800 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 11:49:35,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087985095] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:35,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:49:35,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 11:49:35,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324127185] [2021-06-06 11:49:35,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 11:49:35,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:49:35,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 11:49:35,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 11:49:35,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:35,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:49:35,802 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 11:49:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:49:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:49:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:49:35,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:49:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:49:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:49:36,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:49:36,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:49:36,369 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:36,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:36,370 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-06 11:49:36,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:36,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476661339] [2021-06-06 11:49:36,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:36,429 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 11:49:36,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:36,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476661339] [2021-06-06 11:49:36,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476661339] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:36,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236077441] [2021-06-06 11:49:36,429 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 11:49:36,458 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 11:49:36,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:49:36,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:49:36,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:49:36,553 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 11:49:36,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236077441] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:36,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:49:36,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 11:49:36,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611105870] [2021-06-06 11:49:36,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 11:49:36,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:49:36,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 11:49:36,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 11:49:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:36,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:49:36,554 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 11:49:36,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:49:36,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:36,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:36,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:36,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:49:36,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:49:36,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:49:36,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:49:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:49:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:49:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:49:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:49:36,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:49:36,885 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:36,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:36,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-06 11:49:36,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:36,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946605156] [2021-06-06 11:49:36,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:37,862 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2021-06-06 11:49:38,149 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 248 [2021-06-06 11:49:38,658 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 74 [2021-06-06 11:49:39,260 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 344 [2021-06-06 11:49:40,501 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 344 DAG size of output: 124 [2021-06-06 11:49:41,224 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 423 [2021-06-06 11:49:43,131 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 423 DAG size of output: 203 [2021-06-06 11:49:43,777 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 418 [2021-06-06 11:49:45,731 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 418 DAG size of output: 198 [2021-06-06 11:49:46,550 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 373 [2021-06-06 11:49:47,731 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 373 DAG size of output: 121 [2021-06-06 11:49:48,215 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 254 [2021-06-06 11:49:48,906 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 75 [2021-06-06 11:49:49,010 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 158 [2021-06-06 11:49:49,371 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 45 [2021-06-06 11:49:49,475 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 156 [2021-06-06 11:49:49,833 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2021-06-06 11:49:50,003 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 22 [2021-06-06 11:49:50,043 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 11:49:50,043 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:50,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946605156] [2021-06-06 11:49:50,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946605156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:50,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824404082] [2021-06-06 11:49:50,043 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 11:49:50,090 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 11:49:50,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:49:50,091 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 11:49:50,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:49:51,924 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 11:49:53,377 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 11:49:57,059 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 393 DAG size of output: 359 [2021-06-06 11:50:00,534 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 399 DAG size of output: 363 [2021-06-06 11:50:04,511 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 405 DAG size of output: 367 [2021-06-06 11:50:06,164 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-06 11:50:07,723 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 356 [2021-06-06 11:50:09,772 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-06 11:50:10,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:10,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:10,532 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 11:50:10,534 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:10,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:10,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,573 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 11:50:10,574 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:18,246 WARN L205 SmtUtils]: Spent 7.67 s on a formula simplification. DAG size of input: 798 DAG size of output: 728 [2021-06-06 11:50:18,257 INFO L628 ElimStorePlain]: treesize reduction 1197, result has 68.9 percent of original size [2021-06-06 11:50:18,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:18,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:18,317 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 11:50:18,319 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:18,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,364 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 11:50:18,366 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:21,477 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 716 [2021-06-06 11:50:21,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:21,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:21,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:21,543 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 11:50:21,545 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:21,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,582 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 11:50:21,583 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:24,567 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 699 [2021-06-06 11:50:24,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:24,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:24,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:24,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:24,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:24,616 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 11:50:24,617 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:27,303 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 687 [2021-06-06 11:50:27,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:27,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:27,415 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 11:50:27,417 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:27,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,453 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 11:50:27,455 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:29,978 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 672 [2021-06-06 11:50:29,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:30,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:30,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:30,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:30,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:30,017 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 11:50:30,019 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:32,462 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 657 [2021-06-06 11:50:32,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:32,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:32,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:32,503 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 11:50:32,504 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:34,878 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 642 [2021-06-06 11:50:34,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:34,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:34,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:34,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:34,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:34,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:34,940 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 11:50:34,941 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:34,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:34,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:34,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:34,975 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 11:50:34,976 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:37,224 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 626 [2021-06-06 11:50:37,225 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:37,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:37,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:37,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:37,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:37,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:37,258 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 11:50:37,259 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:39,423 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-06 11:50:39,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:39,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:39,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:39,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:39,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:39,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:39,456 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 11:50:39,458 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:41,583 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 597 [2021-06-06 11:50:41,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:41,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,632 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 11:50:41,634 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:41,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:41,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,670 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 11:50:41,672 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:43,676 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 580 [2021-06-06 11:50:43,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:43,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:43,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:43,705 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 11:50:43,706 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:45,611 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-06 11:50:45,611 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:45,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:45,659 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 11:50:45,661 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,692 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 11:50:45,694 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:47,494 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 550 [2021-06-06 11:50:47,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:47,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:47,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:47,542 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 11:50:47,544 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:47,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:47,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:47,573 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 11:50:47,575 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:49,232 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 533 [2021-06-06 11:50:49,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:49,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:49,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:49,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:49,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:49,260 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 11:50:49,262 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:50,961 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 518 [2021-06-06 11:50:50,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:50,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:50,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:50,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:50,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:51,009 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 11:50:51,012 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:51,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:51,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:51,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:51,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:51,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:51,040 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 11:50:51,041 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:52,621 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 501 [2021-06-06 11:50:52,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:52,622 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-06 11:50:52,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:52,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:52,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:52,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:52,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:52,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:52,647 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 11:50:52,649 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:54,116 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 486 [2021-06-06 11:50:54,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:54,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:54,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:54,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:54,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:54,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:54,141 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 11:50:54,157 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:55,601 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 471 [2021-06-06 11:50:55,601 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:55,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:55,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:55,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:55,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:55,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:55,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:55,644 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 11:50:55,646 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:55,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:55,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:55,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:55,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:55,677 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 11:50:55,679 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:57,038 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-06 11:50:57,039 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:57,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:57,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:57,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:57,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:57,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:57,062 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 11:50:57,064 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:58,373 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 11:50:58,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:58,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,414 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 11:50:58,417 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:58,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:58,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,443 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 11:50:58,445 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:59,692 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 423 [2021-06-06 11:50:59,692 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,736 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 11:50:59,742 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:59,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,765 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 11:50:59,767 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:00,874 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 406 [2021-06-06 11:51:00,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:00,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:00,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:00,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:00,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:00,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:00,896 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 11:51:00,897 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:01,961 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 391 [2021-06-06 11:51:01,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:01,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:01,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:01,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:01,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:01,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:01,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:01,996 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 11:51:01,998 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:02,020 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 11:51:02,022 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:03,007 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2021-06-06 11:51:03,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:03,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:03,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:03,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:03,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:03,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:03,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:03,040 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 11:51:03,042 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:03,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:03,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:03,062 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 11:51:03,064 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:04,011 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2021-06-06 11:51:04,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:04,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,031 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 11:51:04,032 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:04,929 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-06-06 11:51:04,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:04,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:04,960 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 11:51:04,962 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:04,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:04,983 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 11:51:04,985 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:05,828 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-06-06 11:51:05,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:05,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:05,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:05,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:05,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:05,847 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 11:51:05,848 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:06,643 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-06 11:51:06,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:06,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:06,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:06,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:06,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:06,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:06,669 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 49 treesize of output 25 [2021-06-06 11:51:06,670 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:07,463 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-06 11:51:07,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:07,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,491 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 11:51:07,493 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:07,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:07,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,510 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 11:51:07,517 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:08,236 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-06-06 11:51:08,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:08,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:08,254 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 36 treesize of output 22 [2021-06-06 11:51:08,257 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:08,922 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-06 11:51:08,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:08,946 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 11:51:08,946 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3924, output treesize:252 [2021-06-06 11:51:09,161 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 11:51:09,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824404082] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:51:09,161 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:51:09,161 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 11:51:09,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31579410] [2021-06-06 11:51:09,164 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 11:51:09,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:51:09,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 11:51:09,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2021-06-06 11:51:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:09,165 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:51:09,165 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 11:51:09,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:51:09,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:09,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:51:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:51:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:51:09,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:09,646 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2021-06-06 11:51:10,052 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2021-06-06 11:51:10,648 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2021-06-06 11:51:10,849 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 61 [2021-06-06 11:51:11,189 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-06-06 11:51:11,502 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 85 [2021-06-06 11:51:13,263 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 560 DAG size of output: 204 [2021-06-06 11:51:16,130 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 300 DAG size of output: 123 [2021-06-06 11:51:20,528 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 604 DAG size of output: 167 [2021-06-06 11:51:21,480 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2021-06-06 11:51:21,905 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-06-06 11:51:22,533 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-06 11:51:23,507 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2021-06-06 11:51:23,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:51:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:51:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:51:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:51:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 11:51:23,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-06 11:51:23,803 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:51:23,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:51:23,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-06 11:51:23,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:51:23,804 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783810546] [2021-06-06 11:51:23,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:51:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:51:23,924 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 11:51:23,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:51:23,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783810546] [2021-06-06 11:51:23,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783810546] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:51:23,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597065388] [2021-06-06 11:51:23,924 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 11:51:23,973 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 11:51:23,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:51:23,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 11:51:23,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:51:24,185 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 11:51:24,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597065388] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:51:24,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:51:24,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-06 11:51:24,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173718071] [2021-06-06 11:51:24,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 11:51:24,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:51:24,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 11:51:24,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-06 11:51:24,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:24,186 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:51:24,186 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 11:51:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:51:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:51:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:51:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:51:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 11:51:24,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:24,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 11:51:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:51:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:51:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:51:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 11:51:24,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 11:51:24,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable443 [2021-06-06 11:51:24,597 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:51:24,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:51:24,597 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-06 11:51:24,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:51:24,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690395223] [2021-06-06 11:51:24,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:51:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:51:28,016 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 30 [2021-06-06 11:51:28,279 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2021-06-06 11:51:28,669 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2021-06-06 11:51:28,876 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 249 [2021-06-06 11:51:29,516 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 101 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown