/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/mts.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 06:00:35,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 06:00:35,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 06:00:35,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 06:00:35,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 06:00:35,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 06:00:35,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 06:00:35,463 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 06:00:35,506 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 06:00:35,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 06:00:35,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 06:00:35,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 06:00:35,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 06:00:35,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 06:00:35,510 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 06:00:35,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 06:00:35,510 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 06:00:35,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 06:00:35,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 06:00:35,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 06:00:35,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 06:00:35,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 06:00:35,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 06:00:35,512 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 06:00:35,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 06:00:35,512 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 06:00:35,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 06:00:35,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 06:00:35,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 06:00:35,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 06:00:35,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 06:00:35,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 06:00:35,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 06:00:35,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 06:00:35,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 06:00:35,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 06:00:35,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 06:00:35,514 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 06:00:35,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 06:00:35,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 06:00:35,514 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 06:00:35,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 06:00:35,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 06:00:35,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 06:00:35,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 06:00:35,866 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 06:00:35,867 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 06:00:35,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl [2021-06-06 06:00:35,868 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl' [2021-06-06 06:00:35,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 06:00:35,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 06:00:35,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 06:00:35,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 06:00:35,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 06:00:35,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (1/1) ... [2021-06-06 06:00:35,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (1/1) ... [2021-06-06 06:00:35,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 06:00:35,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 06:00:35,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 06:00:35,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 06:00:35,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (1/1) ... [2021-06-06 06:00:35,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (1/1) ... [2021-06-06 06:00:35,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (1/1) ... [2021-06-06 06:00:35,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (1/1) ... [2021-06-06 06:00:35,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (1/1) ... [2021-06-06 06:00:35,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (1/1) ... [2021-06-06 06:00:35,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (1/1) ... [2021-06-06 06:00:35,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 06:00:35,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 06:00:35,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 06:00:35,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 06:00:35,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (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 06:00:36,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 06:00:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 06:00:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 06:00:36,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 06:00:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 06:00:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 06:00:36,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 06:00:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 06:00:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 06:00:36,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 06:00:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 06:00:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 06:00:36,009 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 06:00:36,237 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 06:00:36,237 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 06:00:36,239 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:00:36 BoogieIcfgContainer [2021-06-06 06:00:36,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 06:00:36,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 06:00:36,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 06:00:36,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 06:00:36,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 06:00:35" (1/2) ... [2021-06-06 06:00:36,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6dcf08 and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 06:00:36, skipping insertion in model container [2021-06-06 06:00:36,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 06:00:36" (2/2) ... [2021-06-06 06:00:36,246 INFO L111 eAbstractionObserver]: Analyzing ICFG mts.wvr.bpl [2021-06-06 06:00:36,250 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 06:00:36,250 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 06:00:36,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 06:00:36,251 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 06:00:36,319 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 06:00:36,359 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 06:00:36,410 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 06:00:36,411 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 06:00:36,411 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 06:00:36,411 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 06:00:36,411 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 06:00:36,411 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 06:00:36,411 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 06:00:36,411 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 06:00:36,448 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:00:36,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:00:36,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1558799945, now seen corresponding path program 1 times [2021-06-06 06:00:36,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:00:36,459 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845190549] [2021-06-06 06:00:36,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:00:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:36,657 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 06:00:36,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:00:36,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845190549] [2021-06-06 06:00:36,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845190549] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 06:00:36,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 06:00:36,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 06:00:36,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221811944] [2021-06-06 06:00:36,665 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 06:00:36,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:00:36,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 06:00:36,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 06:00:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:36,693 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:00:36,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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 06:00:36,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:36,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:36,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 06:00:36,796 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:00:36,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:00:36,800 INFO L82 PathProgramCache]: Analyzing trace with hash 42228775, now seen corresponding path program 1 times [2021-06-06 06:00:36,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:00:36,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367016119] [2021-06-06 06:00:36,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:00:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:36,875 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 06:00:36,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:00:36,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367016119] [2021-06-06 06:00:36,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367016119] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 06:00:36,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 06:00:36,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 06:00:36,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018089337] [2021-06-06 06:00:36,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 06:00:36,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:00:36,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 06:00:36,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 06:00:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:36,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:00:36,880 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 06:00:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:36,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:36,926 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 06:00:36,927 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:00:36,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:00:36,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1930946427, now seen corresponding path program 1 times [2021-06-06 06:00:36,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:00:36,928 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971088546] [2021-06-06 06:00:36,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:00:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:37,313 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2021-06-06 06:00:37,470 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2021-06-06 06:00:37,507 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 06:00:37,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:00:37,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971088546] [2021-06-06 06:00:37,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971088546] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:37,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23629577] [2021-06-06 06:00:37,508 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 06:00:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:37,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 06:00:37,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:00:38,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:38,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:38,060 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 20 treesize of output 14 [2021-06-06 06:00:38,062 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:38,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:38,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:38,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-06-06 06:00:38,073 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:38,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:38,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:38,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-06 06:00:38,083 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:38,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:38,093 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 32 treesize of output 22 [2021-06-06 06:00:38,096 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:38,145 INFO L628 ElimStorePlain]: treesize reduction 54, result has 43.2 percent of original size [2021-06-06 06:00:38,148 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 06:00:38,149 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:153, output treesize:35 [2021-06-06 06:00:38,208 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 06:00:38,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23629577] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:38,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:00:38,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 06:00:38,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317520281] [2021-06-06 06:00:38,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 06:00:38,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:00:38,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 06:00:38,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-06 06:00:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:38,211 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:00:38,211 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 06:00:38,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:38,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:38,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:38,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:38,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:38,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:38,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:00:38,625 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:00:38,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:00:38,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1580789603, now seen corresponding path program 2 times [2021-06-06 06:00:38,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:00:38,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020968208] [2021-06-06 06:00:38,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:00:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:38,692 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 06:00:38,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:00:38,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020968208] [2021-06-06 06:00:38,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020968208] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:38,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757057882] [2021-06-06 06:00:38,692 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 06:00:38,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:00:38,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:00:38,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 06:00:38,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:00:38,871 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 06:00:38,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757057882] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:38,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:00:38,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 06:00:38,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651661549] [2021-06-06 06:00:38,873 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 06:00:38,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:00:38,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 06:00:38,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 06:00:38,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:38,875 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:00:38,876 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 06:00:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:39,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:00:39,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 06:00:39,275 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:00:39,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:00:39,276 INFO L82 PathProgramCache]: Analyzing trace with hash -339909977, now seen corresponding path program 1 times [2021-06-06 06:00:39,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:00:39,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510492920] [2021-06-06 06:00:39,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:00:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:39,353 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 06:00:39,353 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:00:39,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510492920] [2021-06-06 06:00:39,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510492920] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:39,353 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826974513] [2021-06-06 06:00:39,353 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 06:00:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:39,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 06:00:39,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:00:39,525 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 06:00:39,526 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826974513] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:39,526 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:00:39,526 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 06:00:39,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042601948] [2021-06-06 06:00:39,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 06:00:39,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:00:39,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 06:00:39,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 06:00:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:39,527 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:00:39,527 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 06:00:39,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:39,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:39,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:39,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:00:39,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:39,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:39,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:00:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:00:39,863 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:00:39,863 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:00:39,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:00:39,863 INFO L82 PathProgramCache]: Analyzing trace with hash -700638459, now seen corresponding path program 2 times [2021-06-06 06:00:39,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:00:39,864 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083770439] [2021-06-06 06:00:39,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:00:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:40,360 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2021-06-06 06:00:40,641 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-06-06 06:00:40,967 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2021-06-06 06:00:41,251 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2021-06-06 06:00:41,512 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2021-06-06 06:00:41,718 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2021-06-06 06:00:41,853 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2021-06-06 06:00:41,931 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 06:00:41,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:00:41,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083770439] [2021-06-06 06:00:41,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083770439] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:41,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119085941] [2021-06-06 06:00:41,932 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 06:00:41,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 06:00:41,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:00:41,996 WARN L261 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 06:00:41,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:00:43,013 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-06 06:01:00,346 WARN L205 SmtUtils]: Spent 17.14 s on a formula simplification that was a NOOP. DAG size: 81 [2021-06-06 06:01:01,726 INFO L446 ElimStorePlain]: Different costs {7=[v_prenex_61, v_prenex_65, v_prenex_73, v_prenex_55], 10=[v_prenex_50, A, v_prenex_71, v_prenex_53, v_prenex_75, v_prenex_63, v_prenex_69, v_prenex_46, v_prenex_57, v_prenex_67, v_prenex_59, v_prenex_48]} [2021-06-06 06:01:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:01,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:01,881 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 06:01:01,881 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 43 [2021-06-06 06:01:01,888 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:01,993 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 06:01:01,994 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 50 treesize of output 44 [2021-06-06 06:01:01,997 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:04,635 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 428 [2021-06-06 06:01:04,636 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:04,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:04,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:04,773 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 06:01:04,774 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 57 treesize of output 57 [2021-06-06 06:01:04,789 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:04,899 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 06:01:04,899 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 62 treesize of output 52 [2021-06-06 06:01:04,911 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:09,667 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2021-06-06 06:01:09,669 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.7 percent of original size [2021-06-06 06:01:09,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:09,772 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:09,773 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 76 treesize of output 84 [2021-06-06 06:01:09,879 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:09,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:09,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:10,033 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-06-06 06:01:10,036 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 06:01:10,037 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 71 treesize of output 77 [2021-06-06 06:01:10,075 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:15,080 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 494 DAG size of output: 425 [2021-06-06 06:01:15,082 INFO L628 ElimStorePlain]: treesize reduction 288, result has 92.3 percent of original size [2021-06-06 06:01:15,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,242 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 06:01:15,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 59 [2021-06-06 06:01:15,253 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,333 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 06:01:15,334 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 58 treesize of output 60 [2021-06-06 06:01:15,344 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:19,702 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 417 DAG size of output: 412 [2021-06-06 06:01:19,704 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.5 percent of original size [2021-06-06 06:01:19,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:19,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:19,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:19,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:19,798 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-06-06 06:01:19,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 76 [2021-06-06 06:01:19,802 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:19,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:19,867 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 06:01:19,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 106 treesize of output 78 [2021-06-06 06:01:19,872 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:24,011 WARN L205 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2021-06-06 06:01:24,013 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.8 percent of original size [2021-06-06 06:01:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:24,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:24,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:24,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:24,109 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-06-06 06:01:24,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 78 [2021-06-06 06:01:24,114 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:24,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:24,192 INFO L354 Elim1Store]: treesize reduction 50, result has 36.7 percent of original size [2021-06-06 06:01:24,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 100 treesize of output 88 [2021-06-06 06:01:24,208 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:28,155 WARN L205 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 377 DAG size of output: 375 [2021-06-06 06:01:28,156 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-06 06:01:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:28,236 INFO L354 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2021-06-06 06:01:28,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 72 [2021-06-06 06:01:28,240 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:28,347 INFO L354 Elim1Store]: treesize reduction 46, result has 41.8 percent of original size [2021-06-06 06:01:28,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 84 treesize of output 90 [2021-06-06 06:01:28,370 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:32,114 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 362 DAG size of output: 360 [2021-06-06 06:01:32,115 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-06 06:01:32,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:32,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:32,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:32,226 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 06:01:32,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 85 [2021-06-06 06:01:32,252 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:32,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:32,338 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 06:01:32,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 86 treesize of output 75 [2021-06-06 06:01:32,344 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:35,939 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 343 DAG size of output: 341 [2021-06-06 06:01:35,940 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.4 percent of original size [2021-06-06 06:01:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:36,060 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 06:01:36,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 90 [2021-06-06 06:01:36,079 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:36,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:36,162 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 06:01:36,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 103 treesize of output 80 [2021-06-06 06:01:36,168 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:39,819 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 334 DAG size of output: 326 [2021-06-06 06:01:39,820 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.4 percent of original size [2021-06-06 06:01:39,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:39,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:39,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:39,947 INFO L354 Elim1Store]: treesize reduction 14, result has 74.5 percent of original size [2021-06-06 06:01:39,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 123 treesize of output 105 [2021-06-06 06:01:39,993 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:40,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:40,091 INFO L354 Elim1Store]: treesize reduction 48, result has 39.2 percent of original size [2021-06-06 06:01:40,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 95 [2021-06-06 06:01:40,108 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:45,198 WARN L205 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 342 DAG size of output: 314 [2021-06-06 06:01:45,199 INFO L628 ElimStorePlain]: treesize reduction 164, result has 93.7 percent of original size [2021-06-06 06:01:45,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:45,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:45,292 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-06 06:01:45,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 86 [2021-06-06 06:01:45,303 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:45,378 INFO L354 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2021-06-06 06:01:45,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 78 treesize of output 82 [2021-06-06 06:01:45,387 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:48,590 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 297 DAG size of output: 295 [2021-06-06 06:01:48,591 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 06:01:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:48,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:48,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:48,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:48,668 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 06:01:48,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 83 [2021-06-06 06:01:48,678 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:48,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:48,756 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 06:01:48,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 77 treesize of output 73 [2021-06-06 06:01:48,762 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:51,812 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 279 DAG size of output: 277 [2021-06-06 06:01:51,813 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 06:01:51,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:51,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:51,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:51,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:51,921 INFO L354 Elim1Store]: treesize reduction 10, result has 81.8 percent of original size [2021-06-06 06:01:51,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 97 [2021-06-06 06:01:51,945 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:52,016 INFO L354 Elim1Store]: treesize reduction 66, result has 16.5 percent of original size [2021-06-06 06:01:52,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 66 treesize of output 65 [2021-06-06 06:01:52,020 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:54,830 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 261 DAG size of output: 258 [2021-06-06 06:01:54,831 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-06-06 06:01:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:54,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:54,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:54,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:54,909 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-06 06:01:54,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 90 [2021-06-06 06:01:54,918 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:54,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:54,977 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-06 06:01:54,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 98 treesize of output 74 [2021-06-06 06:01:54,979 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:57,544 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2021-06-06 06:01:57,544 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-06 06:01:57,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:57,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:57,613 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-06 06:01:57,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 76 [2021-06-06 06:01:57,620 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:57,672 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-06 06:01:57,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 70 [2021-06-06 06:01:57,675 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:00,115 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 223 DAG size of output: 222 [2021-06-06 06:02:00,116 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-06 06:02:00,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:00,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:00,176 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-06 06:02:00,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 86 [2021-06-06 06:02:00,194 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:00,254 INFO L354 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2021-06-06 06:02:00,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 138 treesize of output 82 [2021-06-06 06:02:00,257 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:02,583 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2021-06-06 06:02:02,584 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.5 percent of original size [2021-06-06 06:02:02,773 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 06:02:02,773 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:3613, output treesize:1742 [2021-06-06 06:02:03,227 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-06-06 06:02:03,345 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 06:02:03,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119085941] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:02:03,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:02:03,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 06:02:03,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364060219] [2021-06-06 06:02:03,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 06:02:03,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:02:03,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 06:02:03,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2021-06-06 06:02:03,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:02:03,347 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:02:03,347 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 06:02:03,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:02:03,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:02:03,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:02:03,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:02:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:02:03,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:02:03,656 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 60 [2021-06-06 06:02:04,023 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-06-06 06:02:04,425 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-06-06 06:02:04,646 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-06-06 06:02:05,245 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2021-06-06 06:02:05,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:02:05,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:02:05,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:02:05,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:02:05,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:02:05,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:02:05,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 06:02:05,597 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:02:05,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:02:05,597 INFO L82 PathProgramCache]: Analyzing trace with hash 531641315, now seen corresponding path program 3 times [2021-06-06 06:02:05,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:02:05,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549804586] [2021-06-06 06:02:05,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:02:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:02:05,688 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 06:02:05,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:02:05,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549804586] [2021-06-06 06:02:05,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549804586] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:02:05,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883546309] [2021-06-06 06:02:05,689 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 06:02:05,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 06:02:05,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:02:05,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 06:02:05,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:02:05,948 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 06:02:05,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883546309] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:02:05,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:02:05,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 06:02:05,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30508302] [2021-06-06 06:02:05,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 06:02:05,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:02:05,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 06:02:05,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 06:02:05,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:02:05,951 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:02:05,951 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 06:02:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:02:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:02:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:02:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:02:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:02:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:02:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:02:06,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:02:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:02:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:02:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:02:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:02:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:02:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:02:06,675 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:02:06,676 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:02:06,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:02:06,676 INFO L82 PathProgramCache]: Analyzing trace with hash -553752793, now seen corresponding path program 4 times [2021-06-06 06:02:06,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:02:06,676 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947462892] [2021-06-06 06:02:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:02:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:02:06,758 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 06:02:06,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:02:06,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947462892] [2021-06-06 06:02:06,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947462892] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:02:06,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952541791] [2021-06-06 06:02:06,758 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 06:02:06,796 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 06:02:06,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:02:06,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 06:02:06,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:02:06,919 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 06:02:06,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952541791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:02:06,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:02:06,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 06:02:06,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171665577] [2021-06-06 06:02:06,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 06:02:06,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:02:06,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 06:02:06,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 06:02:06,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:02:06,920 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:02:06,920 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 06:02:06,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:02:06,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:02:06,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:02:06,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:02:06,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:02:06,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:02:06,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:02:06,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:02:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:02:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:02:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:02:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:02:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:02:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:02:07,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:02:07,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:02:07,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:02:07,269 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:02:07,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:02:07,269 INFO L82 PathProgramCache]: Analyzing trace with hash 2070339973, now seen corresponding path program 5 times [2021-06-06 06:02:07,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:02:07,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846711427] [2021-06-06 06:02:07,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:02:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:02:08,200 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2021-06-06 06:02:08,316 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 160 [2021-06-06 06:02:08,752 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 76 [2021-06-06 06:02:09,023 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2021-06-06 06:02:09,795 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 112 [2021-06-06 06:02:10,097 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 243 [2021-06-06 06:02:11,087 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 134 [2021-06-06 06:02:11,346 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 237 [2021-06-06 06:02:12,299 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 128 [2021-06-06 06:02:12,674 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 207 [2021-06-06 06:02:13,250 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 87 [2021-06-06 06:02:13,551 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-06-06 06:02:13,726 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-06-06 06:02:13,880 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2021-06-06 06:02:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:02:14,090 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:02:14,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846711427] [2021-06-06 06:02:14,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846711427] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:02:14,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981545607] [2021-06-06 06:02:14,091 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 06:02:14,147 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 06:02:14,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:02:14,148 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-06 06:02:14,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:02:16,522 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 134 [2021-06-06 06:02:18,408 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 342 [2021-06-06 06:02:21,018 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 343 [2021-06-06 06:02:23,019 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 06:02:25,125 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 346 [2021-06-06 06:02:26,926 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 345 [2021-06-06 06:02:28,329 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-06-06 06:02:30,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:30,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:30,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:30,101 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 77 treesize of output 43 [2021-06-06 06:02:30,103 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:30,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:30,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:30,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:30,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:30,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:30,147 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 72 treesize of output 40 [2021-06-06 06:02:30,158 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:37,799 WARN L205 SmtUtils]: Spent 7.64 s on a formula simplification. DAG size of input: 835 DAG size of output: 742 [2021-06-06 06:02:37,801 INFO L628 ElimStorePlain]: treesize reduction 1890, result has 57.6 percent of original size [2021-06-06 06:02:37,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:37,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:37,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:37,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:37,847 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 31 treesize of output 19 [2021-06-06 06:02:37,850 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:40,408 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 729 [2021-06-06 06:02:40,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:02:40,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:40,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:40,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:40,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:40,455 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 44 treesize of output 26 [2021-06-06 06:02:40,458 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:42,902 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 715 [2021-06-06 06:02:42,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:02:42,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:42,941 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 55 treesize of output 31 [2021-06-06 06:02:42,942 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:45,366 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 698 [2021-06-06 06:02:45,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:02:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:45,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:45,404 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 51 treesize of output 29 [2021-06-06 06:02:45,406 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:47,851 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 682 [2021-06-06 06:02:47,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:02:47,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:47,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:47,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:47,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:47,889 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 27 [2021-06-06 06:02:47,892 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:50,232 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 668 [2021-06-06 06:02:50,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:02:50,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:50,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:50,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:50,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:50,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:50,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:50,288 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 72 treesize of output 38 [2021-06-06 06:02:50,291 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:50,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:50,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:50,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:50,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:50,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:50,329 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 74 treesize of output 40 [2021-06-06 06:02:50,332 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:52,449 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 649 [2021-06-06 06:02:52,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:02:52,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:52,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:52,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:52,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:52,490 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 51 treesize of output 29 [2021-06-06 06:02:52,492 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:54,510 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 632 [2021-06-06 06:02:54,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:02:54,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:54,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:54,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:54,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:54,544 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 35 treesize of output 21 [2021-06-06 06:02:54,546 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:56,534 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 619 [2021-06-06 06:02:56,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:02:56,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:56,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:56,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:56,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:56,572 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 62 treesize of output 34 [2021-06-06 06:02:56,574 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 06:02:58,561 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 602 [2021-06-06 06:02:58,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:02:58,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:58,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:58,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:02:58,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:02:58,594 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 06:02:58,610 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:00,561 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 586 [2021-06-06 06:03:00,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:00,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:00,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:00,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:00,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:00,593 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 35 treesize of output 21 [2021-06-06 06:03:00,596 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:02,482 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 572 [2021-06-06 06:03:02,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:02,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:02,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:02,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:02,518 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 44 treesize of output 26 [2021-06-06 06:03:02,520 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:04,413 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 556 [2021-06-06 06:03:04,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:04,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:04,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:04,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:04,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:04,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:04,446 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 27 [2021-06-06 06:03:04,449 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:06,267 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 540 [2021-06-06 06:03:06,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:06,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:06,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:06,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:06,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:06,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:06,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:06,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:06,303 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 27 [2021-06-06 06:03:06,306 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:08,138 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 524 [2021-06-06 06:03:08,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:08,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:08,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:08,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:08,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:08,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:08,187 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 88 treesize of output 44 [2021-06-06 06:03:08,189 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:08,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:08,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:08,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:08,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:08,222 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 90 treesize of output 46 [2021-06-06 06:03:08,224 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:09,863 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-06 06:03:09,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:09,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:09,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:09,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:09,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:09,898 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 80 treesize of output 40 [2021-06-06 06:03:09,899 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:11,512 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 484 [2021-06-06 06:03:11,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:11,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:11,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-06-06 06:03:11,548 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:13,093 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 469 [2021-06-06 06:03:13,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:13,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:13,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:13,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:13,122 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 39 treesize of output 23 [2021-06-06 06:03:13,123 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:14,633 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-06 06:03:14,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:14,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:14,661 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 40 treesize of output 24 [2021-06-06 06:03:14,663 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:16,109 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 06:03:16,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:16,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:16,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:16,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:16,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:16,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:16,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-06 06:03:16,138 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:17,584 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 425 [2021-06-06 06:03:17,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:17,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:17,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:17,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:17,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:17,611 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 64 treesize of output 34 [2021-06-06 06:03:17,613 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:19,032 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 408 [2021-06-06 06:03:19,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:19,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:19,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:19,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:19,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:19,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:19,059 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 35 treesize of output 21 [2021-06-06 06:03:19,061 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:20,393 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-06 06:03:20,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:20,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:20,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:20,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:20,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:20,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:20,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:20,436 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 53 treesize of output 31 [2021-06-06 06:03:20,438 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:20,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:20,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:20,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:20,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:20,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:20,465 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 32 [2021-06-06 06:03:20,467 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:21,679 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-06 06:03:21,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:21,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:21,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:21,706 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 30 [2021-06-06 06:03:21,709 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:22,866 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 357 [2021-06-06 06:03:22,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:22,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:22,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:22,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:22,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:22,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:22,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:22,907 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 32 [2021-06-06 06:03:22,909 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:22,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:22,934 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 53 treesize of output 31 [2021-06-06 06:03:22,936 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:23,963 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 337 [2021-06-06 06:03:23,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:23,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:23,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:23,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:23,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:23,997 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 24 [2021-06-06 06:03:23,998 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:24,978 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2021-06-06 06:03:24,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:24,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:24,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:25,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:25,013 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 30 [2021-06-06 06:03:25,015 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:25,975 WARN L205 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2021-06-06 06:03:25,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:25,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:25,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:25,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:25,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:25,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:25,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:26,012 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 61 treesize of output 35 [2021-06-06 06:03:26,014 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:26,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:26,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:26,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:26,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:26,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:26,037 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 60 treesize of output 34 [2021-06-06 06:03:26,040 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:26,902 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2021-06-06 06:03:26,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:26,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:26,923 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 29 [2021-06-06 06:03:26,925 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:27,754 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-06 06:03:27,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:27,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:27,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:27,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:27,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:27,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:27,790 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 30 [2021-06-06 06:03:27,793 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:27,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:27,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:27,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:27,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:27,814 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 29 [2021-06-06 06:03:27,817 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:28,549 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-06-06 06:03:28,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:28,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:28,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:28,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:28,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:28,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:28,584 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 61 treesize of output 35 [2021-06-06 06:03:28,586 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:28,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:03:28,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:28,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:28,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:28,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:03:28,606 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 59 treesize of output 33 [2021-06-06 06:03:28,608 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 06:03:29,260 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-06-06 06:03:29,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:03:29,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-06 06:03:29,285 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 96 variables, input treesize:4571, output treesize:175 [2021-06-06 06:03:29,493 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 06:03:29,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981545607] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:03:29,493 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:03:29,493 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-06 06:03:29,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987831572] [2021-06-06 06:03:29,494 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 06:03:29,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:03:29,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 06:03:29,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2021-06-06 06:03:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:03:29,495 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:03:29,495 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:03:29,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:03:29,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:03:29,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:03:29,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:03:29,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:03:29,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:03:29,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:03:29,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:03:29,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:03:30,010 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2021-06-06 06:03:30,468 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 69 [2021-06-06 06:03:30,906 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 77 [2021-06-06 06:03:31,216 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 70 [2021-06-06 06:03:31,608 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 94 [2021-06-06 06:03:37,626 WARN L205 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 419 DAG size of output: 419 [2021-06-06 06:03:37,903 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-06-06 06:03:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:03:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:03:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:03:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:03:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:03:38,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:03:38,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:03:38,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:03:38,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:03:38,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-06-06 06:03:38,509 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:03:38,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:03:38,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1007081921, now seen corresponding path program 6 times [2021-06-06 06:03:38,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:03:38,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831483349] [2021-06-06 06:03:38,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:03:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:03:40,785 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2021-06-06 06:03:41,283 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 143 [2021-06-06 06:03:41,665 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 52 [2021-06-06 06:03:43,769 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 188 DAG size of output: 286 [2021-06-06 06:03:44,512 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 66 [2021-06-06 06:05:30,128 WARN L205 SmtUtils]: Spent 1.76 m on a formula simplification. DAG size of input: 384 DAG size of output: 713 [2021-06-06 06:05:30,271 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 713 [2021-06-06 06:05:33,111 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 709 DAG size of output: 166 [2021-06-06 06:08:43,115 WARN L205 SmtUtils]: Spent 3.17 m on a formula simplification. DAG size of input: 435 DAG size of output: 486 [2021-06-06 06:08:47,515 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 484 DAG size of output: 282 [2021-06-06 06:11:58,919 WARN L205 SmtUtils]: Spent 3.19 m on a formula simplification. DAG size of input: 438 DAG size of output: 489 [2021-06-06 06:12:02,957 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 487 DAG size of output: 263 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown