/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 11:50:24,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 11:50:24,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 11:50:25,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 11:50:25,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 11:50:25,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 11:50:25,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 11:50:25,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 11:50:25,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 11:50:25,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 11:50:25,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 11:50:25,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 11:50:25,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 11:50:25,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 11:50:25,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 11:50:25,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 11:50:25,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 11:50:25,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 11:50:25,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 11:50:25,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 11:50:25,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 11:50:25,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 11:50:25,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 11:50:25,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 11:50:25,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 11:50:25,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 11:50:25,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 11:50:25,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 11:50:25,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 11:50:25,116 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 11:50:25,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 11:50:25,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 11:50:25,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 11:50:25,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 11:50:25,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 11:50:25,120 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 11:50:25,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 11:50:25,120 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 11:50:25,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 11:50:25,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 11:50:25,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 11:50:25,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 11:50:25,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 11:50:25,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 11:50:25,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 11:50:25,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 11:50:25,122 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 11:50:25,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 11:50:25,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 11:50:25,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 11:50:25,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 11:50:25,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 11:50:25,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:50:25,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 11:50:25,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 11:50:25,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 11:50:25,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 11:50:25,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 11:50:25,124 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 11:50:25,124 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 11:50:25,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 11:50:25,125 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 11:50:25,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 11:50:25,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 11:50:25,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 11:50:25,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 11:50:25,456 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 11:50:25,457 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 11:50:25,458 INFO L432 ainManager$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 11:50:25,458 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 11:50:25,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 11:50:25,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 11:50:25,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 11:50:25,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 11:50:25,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 11:50:25,520 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 11:50:25" (1/1) ... [2021-06-06 11:50:25,527 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 11:50:25" (1/1) ... [2021-06-06 11:50:25,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 11:50:25,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 11:50:25,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 11:50:25,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 11:50:25,544 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 11:50:25" (1/1) ... [2021-06-06 11:50:25,544 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 11:50:25" (1/1) ... [2021-06-06 11:50:25,546 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 11:50:25" (1/1) ... [2021-06-06 11:50:25,547 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 11:50:25" (1/1) ... [2021-06-06 11:50:25,554 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 11:50:25" (1/1) ... [2021-06-06 11:50:25,557 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 11:50:25" (1/1) ... [2021-06-06 11:50:25,558 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 11:50:25" (1/1) ... [2021-06-06 11:50:25,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 11:50:25,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 11:50:25,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 11:50:25,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 11:50:25,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:50:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:50:25,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 11:50:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 11:50:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 11:50:25,653 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 11:50:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 11:50:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 11:50:25,653 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 11:50:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 11:50:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 11:50:25,654 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 11:50:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 11:50:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 11:50:25,655 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 11:50:25,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 11:50:25,859 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 11:50:25,860 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:50:25 BoogieIcfgContainer [2021-06-06 11:50:25,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 11:50:25,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 11:50:25,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 11:50:25,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 11:50:25,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:50:25" (1/2) ... [2021-06-06 11:50:25,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b01f15 and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:50:25, skipping insertion in model container [2021-06-06 11:50:25,866 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 11:50:25" (2/2) ... [2021-06-06 11:50:25,867 INFO L111 eAbstractionObserver]: Analyzing ICFG mts.wvr.bpl [2021-06-06 11:50:25,872 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 11:50:25,872 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 11:50:25,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 11:50:25,873 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 11:50:25,904 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 11:50:25,943 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 11:50:25,998 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 11:50:25,998 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 11:50:26,000 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 11:50:26,000 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 11:50:26,001 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 11:50:26,001 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 11:50:26,001 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 11:50:26,001 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 11:50:26,044 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:50:26,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:50:26,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1558799945, now seen corresponding path program 1 times [2021-06-06 11:50:26,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:50:26,060 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044475999] [2021-06-06 11:50:26,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:50:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:50:26,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:50:26,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044475999] [2021-06-06 11:50:26,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044475999] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:50:26,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:50:26,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 11:50:26,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256661722] [2021-06-06 11:50:26,221 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 11:50:26,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:50:26,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 11:50:26,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 11:50:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:26,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:50:26,236 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 11:50:26,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:26,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:26,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 11:50:26,290 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:50:26,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:50:26,291 INFO L82 PathProgramCache]: Analyzing trace with hash 42228775, now seen corresponding path program 1 times [2021-06-06 11:50:26,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:50:26,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242882580] [2021-06-06 11:50:26,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:50:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:26,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:50:26,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:50:26,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242882580] [2021-06-06 11:50:26,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242882580] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:50:26,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:50:26,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 11:50:26,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916583020] [2021-06-06 11:50:26,334 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 11:50:26,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:50:26,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 11:50:26,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 11:50:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:26,336 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:50:26,336 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:50:26,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:26,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:26,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:26,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:26,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 11:50:26,377 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:50:26,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:50:26,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1930946427, now seen corresponding path program 1 times [2021-06-06 11:50:26,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:50:26,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596199875] [2021-06-06 11:50:26,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:50:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:26,890 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2021-06-06 11:50:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:50:27,063 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:50:27,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596199875] [2021-06-06 11:50:27,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596199875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:27,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821049284] [2021-06-06 11:50:27,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:27,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 11:50:27,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:50:27,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:27,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:27,646 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 11:50:27,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:27,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:27,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:27,654 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 11:50:27,662 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:27,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:27,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:27,669 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 11:50:27,672 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:27,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:27,678 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 11:50:27,682 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:27,737 INFO L628 ElimStorePlain]: treesize reduction 54, result has 43.2 percent of original size [2021-06-06 11:50:27,743 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 11:50:27,743 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:153, output treesize:35 [2021-06-06 11:50:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:50:27,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821049284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:27,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:50:27,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:50:27,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258717738] [2021-06-06 11:50:27,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 11:50:27,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:50:27,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 11:50:27,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-06 11:50:27,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:27,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:50:27,812 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:50:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:27,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:28,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:28,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:28,249 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:50:28,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:50:28,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1580789603, now seen corresponding path program 2 times [2021-06-06 11:50:28,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:50:28,250 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304310665] [2021-06-06 11:50:28,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:50:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:50:28,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:50:28,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304310665] [2021-06-06 11:50:28,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304310665] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:28,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226971943] [2021-06-06 11:50:28,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:28,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:50:28,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:50:28,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:50:28,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:50:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:50:28,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226971943] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:28,486 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:50:28,486 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:50:28,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741007496] [2021-06-06 11:50:28,487 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 11:50:28,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:50:28,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 11:50:28,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 11:50:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:28,491 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:50:28,491 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:50:28,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:28,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:28,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:28,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:28,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:28,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:28,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:28,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:50:28,887 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 11:50:28,887 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:50:28,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:50:28,888 INFO L82 PathProgramCache]: Analyzing trace with hash -339909977, now seen corresponding path program 1 times [2021-06-06 11:50:28,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:50:28,888 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442173240] [2021-06-06 11:50:28,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:50:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:50:28,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:50:28,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442173240] [2021-06-06 11:50:28,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442173240] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:28,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399768242] [2021-06-06 11:50:28,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:29,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:50:29,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:50:29,097 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:50:29,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399768242] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:29,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:50:29,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 11:50:29,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455082733] [2021-06-06 11:50:29,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 11:50:29,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:50:29,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 11:50:29,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 11:50:29,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:29,100 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:50:29,101 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:50:29,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:29,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:29,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:29,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:50:29,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:29,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:29,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:50:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:50:29,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:29,416 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:50:29,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:50:29,416 INFO L82 PathProgramCache]: Analyzing trace with hash -700638459, now seen corresponding path program 2 times [2021-06-06 11:50:29,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:50:29,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434320258] [2021-06-06 11:50:29,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:50:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:30,161 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-06-06 11:50:30,437 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2021-06-06 11:50:30,734 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2021-06-06 11:50:30,953 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2021-06-06 11:50:31,146 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2021-06-06 11:50:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:50:31,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:50:31,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434320258] [2021-06-06 11:50:31,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434320258] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:31,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795033580] [2021-06-06 11:50:31,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:31,335 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:50:31,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:50:31,337 WARN L261 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 11:50:31,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:50:37,156 WARN L205 SmtUtils]: Spent 4.71 s on a formula simplification that was a NOOP. DAG size: 81 [2021-06-06 11:50:38,585 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 11:50:38,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:38,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:38,681 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:50:38,682 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 11:50:38,698 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:38,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:38,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:38,780 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:50:38,780 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 11:50:38,785 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:41,008 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 428 [2021-06-06 11:50:41,009 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,103 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 11:50:41,104 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 11:50:41,145 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:41,228 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:50:41,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 52 [2021-06-06 11:50:41,241 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:45,341 WARN L205 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2021-06-06 11:50:45,343 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.7 percent of original size [2021-06-06 11:50:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,468 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:50:45,468 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 11:50:45,546 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:45,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:45,689 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 11:50:45,689 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 11:50:45,727 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:50,280 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 494 DAG size of output: 425 [2021-06-06 11:50:50,282 INFO L628 ElimStorePlain]: treesize reduction 288, result has 92.3 percent of original size [2021-06-06 11:50:50,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:50,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:50,389 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 11:50:50,390 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 11:50:50,410 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:50,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:50,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:50,495 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:50:50,496 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 11:50:50,505 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:54,492 WARN L205 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 417 DAG size of output: 412 [2021-06-06 11:50:54,497 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.5 percent of original size [2021-06-06 11:50:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:54,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:54,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:54,573 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-06-06 11:50:54,574 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 11:50:54,582 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:54,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:54,642 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 11:50:54,642 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 11:50:54,650 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:58,340 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2021-06-06 11:50:58,343 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.8 percent of original size [2021-06-06 11:50:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,423 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-06-06 11:50:58,423 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 11:50:58,433 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:58,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:58,511 INFO L354 Elim1Store]: treesize reduction 50, result has 36.7 percent of original size [2021-06-06 11:50:58,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 11:50:58,531 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:02,081 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 377 DAG size of output: 375 [2021-06-06 11:51:02,083 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-06 11:51:02,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:02,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:02,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:02,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:02,159 INFO L354 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2021-06-06 11:51:02,159 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 11:51:02,162 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:02,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:02,258 INFO L354 Elim1Store]: treesize reduction 46, result has 41.8 percent of original size [2021-06-06 11:51:02,258 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 11:51:02,271 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:05,654 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 362 DAG size of output: 360 [2021-06-06 11:51:05,656 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-06 11:51:05,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:05,741 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 11:51:05,741 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 11:51:05,751 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:05,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:05,822 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 11:51:05,823 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 11:51:05,836 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:09,021 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 343 DAG size of output: 341 [2021-06-06 11:51:09,023 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.4 percent of original size [2021-06-06 11:51:09,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:09,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:09,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:09,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:09,126 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 11:51:09,126 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 11:51:09,150 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:09,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:09,221 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 11:51:09,222 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 11:51:09,227 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:12,419 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 334 DAG size of output: 326 [2021-06-06 11:51:12,420 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.4 percent of original size [2021-06-06 11:51:12,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:12,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:12,562 INFO L354 Elim1Store]: treesize reduction 14, result has 74.5 percent of original size [2021-06-06 11:51:12,562 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 11:51:12,602 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:12,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:12,685 INFO L354 Elim1Store]: treesize reduction 48, result has 39.2 percent of original size [2021-06-06 11:51:12,686 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 11:51:12,706 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:17,221 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 342 DAG size of output: 314 [2021-06-06 11:51:17,222 INFO L628 ElimStorePlain]: treesize reduction 164, result has 93.7 percent of original size [2021-06-06 11:51:17,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:17,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:17,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:17,308 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-06 11:51:17,308 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 11:51:17,317 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:17,388 INFO L354 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2021-06-06 11:51:17,388 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 11:51:17,396 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:20,186 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 297 DAG size of output: 295 [2021-06-06 11:51:20,196 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 11:51:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:20,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:20,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:20,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:20,278 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 11:51:20,278 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 11:51:20,291 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:20,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:20,343 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 11:51:20,343 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 11:51:20,358 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:23,096 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 279 DAG size of output: 277 [2021-06-06 11:51:23,097 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 11:51:23,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:23,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:23,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:23,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:23,193 INFO L354 Elim1Store]: treesize reduction 10, result has 81.8 percent of original size [2021-06-06 11:51:23,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 11:51:23,228 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:23,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:23,279 INFO L354 Elim1Store]: treesize reduction 66, result has 16.5 percent of original size [2021-06-06 11:51:23,279 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 11:51:23,292 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:26,021 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 261 DAG size of output: 258 [2021-06-06 11:51:26,024 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-06-06 11:51:26,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:26,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:26,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:26,101 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-06 11:51:26,101 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 11:51:26,113 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:26,160 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-06 11:51:26,160 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 11:51:26,163 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:28,630 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2021-06-06 11:51:28,631 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-06 11:51:28,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:28,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:28,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:28,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:28,696 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-06 11:51:28,697 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 11:51:28,717 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:28,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:28,756 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-06 11:51:28,756 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 11:51:28,759 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:31,015 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 223 DAG size of output: 222 [2021-06-06 11:51:31,016 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-06 11:51:31,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:31,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:31,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:31,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:31,073 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-06 11:51:31,073 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 11:51:31,081 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:31,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:31,141 INFO L354 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2021-06-06 11:51:31,141 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 11:51:31,144 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:33,240 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2021-06-06 11:51:33,241 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.5 percent of original size [2021-06-06 11:51:33,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-06 11:51:33,420 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:3613, output treesize:1742 [2021-06-06 11:51:33,859 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-06-06 11:51:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:51:33,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795033580] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:51:33,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:51:33,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 11:51:33,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23094689] [2021-06-06 11:51:33,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 11:51:33,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:51:33,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 11:51:33,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2021-06-06 11:51:33,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:33,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:51:33,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:51:33,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:51:33,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:33,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:33,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:33,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:33,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:34,279 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 60 [2021-06-06 11:51:34,610 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-06-06 11:51:34,980 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-06-06 11:51:35,185 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-06-06 11:51:35,748 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2021-06-06 11:51:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:51:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:51:36,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 11:51:36,099 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:51:36,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:51:36,099 INFO L82 PathProgramCache]: Analyzing trace with hash 531641315, now seen corresponding path program 3 times [2021-06-06 11:51:36,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:51:36,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808803327] [2021-06-06 11:51:36,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:51:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:51:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:51:36,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:51:36,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808803327] [2021-06-06 11:51:36,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808803327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:51:36,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244492614] [2021-06-06 11:51:36,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:51:36,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 11:51:36,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:51:36,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:51:36,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:51:36,421 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:51:36,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244492614] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:51:36,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:51:36,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 11:51:36,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792542354] [2021-06-06 11:51:36,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 11:51:36,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:51:36,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 11:51:36,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 11:51:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:36,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:51:36,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:51:36,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:51:36,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:36,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:36,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:36,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:36,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:51:36,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:51:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:36,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:36,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:36,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:51:36,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:51:37,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:51:37,097 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:51:37,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:51:37,098 INFO L82 PathProgramCache]: Analyzing trace with hash -553752793, now seen corresponding path program 4 times [2021-06-06 11:51:37,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:51:37,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618825248] [2021-06-06 11:51:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:51:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:51:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:51:37,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:51:37,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618825248] [2021-06-06 11:51:37,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618825248] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:51:37,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237658130] [2021-06-06 11:51:37,193 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:51:37,237 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 11:51:37,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:51:37,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:51:37,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:51:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:51:37,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237658130] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:51:37,360 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:51:37,360 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 11:51:37,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786218896] [2021-06-06 11:51:37,361 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 11:51:37,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:51:37,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 11:51:37,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 11:51:37,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:37,362 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:51:37,362 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:51:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:51:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:51:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:51:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:51:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:51:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:51:37,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:51:37,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:51:37,717 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:51:37,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:51:37,717 INFO L82 PathProgramCache]: Analyzing trace with hash 2070339973, now seen corresponding path program 5 times [2021-06-06 11:51:37,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:51:37,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278515008] [2021-06-06 11:51:37,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:51:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:51:38,606 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2021-06-06 11:51:38,708 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 160 [2021-06-06 11:51:39,114 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 76 [2021-06-06 11:51:39,367 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2021-06-06 11:51:40,120 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 112 [2021-06-06 11:51:40,436 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 243 [2021-06-06 11:51:41,326 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 134 [2021-06-06 11:51:41,586 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 237 [2021-06-06 11:51:42,467 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 128 [2021-06-06 11:51:42,821 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 207 [2021-06-06 11:51:43,326 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 87 [2021-06-06 11:51:43,585 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-06-06 11:51:43,735 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-06-06 11:51:43,874 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2021-06-06 11:51:44,072 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 11:51:44,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:51:44,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278515008] [2021-06-06 11:51:44,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278515008] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:51:44,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752234268] [2021-06-06 11:51:44,072 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:51:44,124 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 11:51:44,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:51:44,125 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-06 11:51:44,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:51:44,626 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-06-06 11:51:46,373 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 134 [2021-06-06 11:51:48,158 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 342 [2021-06-06 11:51:50,599 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 343 [2021-06-06 11:51:52,460 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 11:51:54,506 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 346 [2021-06-06 11:51:56,160 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 345 [2021-06-06 11:51:57,482 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-06-06 11:51:59,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:59,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:59,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:59,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:59,137 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 77 treesize of output 43 [2021-06-06 11:51:59,140 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:59,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:59,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:59,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:59,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:59,198 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 11:51:59,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:05,989 WARN L205 SmtUtils]: Spent 6.79 s on a formula simplification. DAG size of input: 835 DAG size of output: 742 [2021-06-06 11:52:05,990 INFO L628 ElimStorePlain]: treesize reduction 1890, result has 57.6 percent of original size [2021-06-06 11:52:06,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:06,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:06,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:06,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:06,036 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 11:52:06,039 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:08,313 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 729 [2021-06-06 11:52:08,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:08,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:08,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:08,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:08,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:08,349 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 11:52:08,351 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:10,526 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 715 [2021-06-06 11:52:10,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:10,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:10,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:10,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:10,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:10,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:10,561 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 11:52:10,562 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:12,782 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 698 [2021-06-06 11:52:12,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:12,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:12,817 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 11:52:12,819 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:14,920 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 682 [2021-06-06 11:52:14,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:14,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:14,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:14,966 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 11:52:14,969 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:17,054 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 668 [2021-06-06 11:52:17,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:17,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:17,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:17,106 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 11:52:17,108 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:17,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:17,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:17,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:17,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:17,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:17,142 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 11:52:17,144 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:19,028 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 649 [2021-06-06 11:52:19,028 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:19,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:19,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:19,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:19,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:19,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:19,074 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 11:52:19,075 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:20,985 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 632 [2021-06-06 11:52:20,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:21,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:21,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:21,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:21,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:21,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 11:52:21,018 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:22,849 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 619 [2021-06-06 11:52:22,849 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:22,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:22,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:22,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:22,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:22,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:22,892 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 11:52:22,894 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:24,645 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 602 [2021-06-06 11:52:24,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:24,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:24,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:24,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:24,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:24,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:24,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-06 11:52:24,677 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:26,409 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 586 [2021-06-06 11:52:26,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:26,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:26,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:26,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:26,439 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 11:52:26,441 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:28,179 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 572 [2021-06-06 11:52:28,180 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:28,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:28,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:28,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:28,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:28,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:28,209 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 11:52:28,211 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:29,900 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 556 [2021-06-06 11:52:29,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:29,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:29,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:29,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:29,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:29,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:29,930 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 11:52:29,932 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:31,577 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 540 [2021-06-06 11:52:31,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:31,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:31,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:31,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:31,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:31,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:31,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:31,611 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 45 treesize of output 27 [2021-06-06 11:52:31,614 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:33,194 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 524 [2021-06-06 11:52:33,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:33,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:33,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:33,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:33,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:33,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:33,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:33,242 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 11:52:33,244 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:33,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:33,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:33,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:33,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:33,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:33,274 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 11:52:33,276 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:34,767 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-06 11:52:34,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:34,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:34,794 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 11:52:34,795 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:36,210 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 484 [2021-06-06 11:52:36,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:36,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:36,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:36,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:36,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:36,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:36,238 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 11:52:36,240 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:37,615 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 469 [2021-06-06 11:52:37,616 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:37,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:37,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:37,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:37,641 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 11:52:37,642 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:38,959 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-06 11:52:38,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:38,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:38,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:38,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:38,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:38,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:38,989 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 11:52:38,991 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:40,294 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 11:52:40,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:40,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:40,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:40,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:40,319 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 11:52:40,320 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:41,575 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 425 [2021-06-06 11:52:41,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:41,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:41,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:41,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:41,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:41,599 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 11:52:41,601 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:42,850 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 408 [2021-06-06 11:52:42,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:42,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:42,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:42,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:42,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:42,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:42,874 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 11:52:42,876 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:44,093 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-06 11:52:44,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:44,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:44,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:44,133 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 11:52:44,135 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:44,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:44,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:44,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:44,157 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 11:52:44,159 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:45,275 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-06 11:52:45,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:45,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:45,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:45,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:45,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:45,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:45,298 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 11:52:45,301 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:46,387 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 357 [2021-06-06 11:52:46,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:46,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:46,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:46,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:46,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:46,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:46,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:46,425 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 11:52:46,430 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:46,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:46,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:46,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:46,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:46,453 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 11:52:46,454 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:47,431 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2021-06-06 11:52:47,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:47,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:47,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:47,454 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 11:52:47,456 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:48,389 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2021-06-06 11:52:48,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:48,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:48,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:48,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:48,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:48,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:48,414 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 11:52:48,417 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:49,336 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2021-06-06 11:52:49,336 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:49,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:49,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:49,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:49,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:49,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:49,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:49,371 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 11:52:49,373 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:49,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:49,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:49,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:49,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:49,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:49,395 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 11:52:49,397 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:50,232 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2021-06-06 11:52:50,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:50,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:50,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:50,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:50,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:50,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:50,252 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 11:52:50,254 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:51,049 WARN L205 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-06 11:52:51,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:51,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:51,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:51,085 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 11:52:51,089 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:51,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:51,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-06-06 11:52:51,111 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:51,809 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-06-06 11:52:51,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:51,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:51,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:51,841 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 11:52:51,847 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:51,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:52:51,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:52:51,866 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 11:52:51,867 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 11:52:52,477 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-06-06 11:52:52,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:52:52,500 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 11:52:52,500 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 96 variables, input treesize:4571, output treesize:175 [2021-06-06 11:52:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:52:52,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752234268] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:52:52,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:52:52,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-06 11:52:52,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362051583] [2021-06-06 11:52:52,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 11:52:52,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:52:52,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 11:52:52,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2021-06-06 11:52:52,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:52:52,652 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:52:52,653 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 11:52:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:52:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:52:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:52:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:52:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:52:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:52:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:52:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:52:52,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:52:53,077 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2021-06-06 11:52:53,565 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 69 [2021-06-06 11:52:53,977 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 77 [2021-06-06 11:52:54,258 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 70 [2021-06-06 11:52:54,625 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 94 [2021-06-06 11:52:59,984 WARN L205 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 419 DAG size of output: 419 [2021-06-06 11:53:00,236 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-06-06 11:53:00,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:53:00,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:53:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:53:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:53:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:53:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:53:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:53:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:53:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 11:53:00,821 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-06-06 11:53:00,821 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:53:00,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:53:00,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1007081921, now seen corresponding path program 6 times [2021-06-06 11:53:00,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:53:00,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637329485] [2021-06-06 11:53:00,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:53:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:53:02,924 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2021-06-06 11:53:03,416 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 143 [2021-06-06 11:53:03,797 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 52 [2021-06-06 11:53:05,971 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 188 DAG size of output: 286 [2021-06-06 11:53:06,672 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 66 [2021-06-06 11:54:55,963 WARN L205 SmtUtils]: Spent 1.82 m on a formula simplification. DAG size of input: 384 DAG size of output: 713 [2021-06-06 11:54:56,112 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 713 [2021-06-06 11:54:58,785 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 709 DAG size of output: 166 [2021-06-06 11:58:16,045 WARN L205 SmtUtils]: Spent 3.29 m on a formula simplification. DAG size of input: 435 DAG size of output: 486 [2021-06-06 11:58:20,233 WARN L205 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 484 DAG size of output: 282 [2021-06-06 12:01:41,545 WARN L205 SmtUtils]: Spent 3.36 m on a formula simplification. DAG size of input: 438 DAG size of output: 489 [2021-06-06 12:01:45,412 WARN L205 SmtUtils]: Spent 3.70 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