/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 16:41:34,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 16:41:34,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 16:41:34,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 16:41:34,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 16:41:34,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 16:41:34,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 16:41:34,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 16:41:34,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 16:41:34,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 16:41:34,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 16:41:34,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 16:41:34,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 16:41:34,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 16:41:34,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 16:41:34,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 16:41:34,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 16:41:34,849 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-Lockstep.epf [2021-06-07 16:41:34,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 16:41:34,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 16:41:34,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 16:41:34,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 16:41:34,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 16:41:34,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 16:41:34,889 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 16:41:34,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 16:41:34,889 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 16:41:34,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 16:41:34,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 16:41:34,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 16:41:34,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 16:41:34,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 16:41:34,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 16:41:34,891 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 16:41:34,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 16:41:34,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 16:41:34,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 16:41:34,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 16:41:34,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 16:41:34,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 16:41:34,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 16:41:34,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 16:41:34,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 16:41:34,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 16:41:34,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 16:41:34,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 16:41:34,892 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 16:41:34,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 16:41:34,893 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 16:41:34,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 16:41:34,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 16:41:34,893 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 16:41:34,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 16:41:35,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 16:41:35,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 16:41:35,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 16:41:35,211 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 16:41:35,212 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 16:41:35,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2021-06-07 16:41:35,213 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2021-06-07 16:41:35,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 16:41:35,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 16:41:35,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 16:41:35,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 16:41:35,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 16:41:35,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/1) ... [2021-06-07 16:41:35,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/1) ... [2021-06-07 16:41:35,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 16:41:35,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 16:41:35,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 16:41:35,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 16:41:35,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/1) ... [2021-06-07 16:41:35,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/1) ... [2021-06-07 16:41:35,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/1) ... [2021-06-07 16:41:35,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/1) ... [2021-06-07 16:41:35,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/1) ... [2021-06-07 16:41:35,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/1) ... [2021-06-07 16:41:35,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/1) ... [2021-06-07 16:41:35,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 16:41:35,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 16:41:35,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 16:41:35,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 16:41:35,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 16:41:35,347 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 16:41:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 16:41:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 16:41:35,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 16:41:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 16:41:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 16:41:35,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 16:41:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 16:41:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 16:41:35,349 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 16:41:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 16:41:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 16:41:35,350 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 16:41:35,567 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 16:41:35,568 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 16:41:35,569 INFO L202 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:41:35 BoogieIcfgContainer [2021-06-07 16:41:35,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 16:41:35,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 16:41:35,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 16:41:35,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 16:41:35,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:41:35" (1/2) ... [2021-06-07 16:41:35,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289e1f5d and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 04:41:35, skipping insertion in model container [2021-06-07 16:41:35,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:41:35" (2/2) ... [2021-06-07 16:41:35,576 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun.wvr.bpl [2021-06-07 16:41:35,580 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 16:41:35,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 16:41:35,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 16:41:35,582 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 16:41:35,656 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 16:41:35,674 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 [2021-06-07 16:41:35,777 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 16:41:35,777 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 16:41:35,777 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 16:41:35,777 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 16:41:35,777 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 16:41:35,777 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 16:41:35,777 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 16:41:35,777 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 16:41:35,847 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:41:35,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:41:35,854 INFO L82 PathProgramCache]: Analyzing trace with hash 2045959872, now seen corresponding path program 1 times [2021-06-07 16:41:35,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:41:35,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219373637] [2021-06-07 16:41:35,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:41:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:41:36,012 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:41:36,012 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219373637] [2021-06-07 16:41:36,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219373637] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 16:41:36,013 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 16:41:36,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 16:41:36,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356868895] [2021-06-07 16:41:36,017 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 16:41:36,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:41:36,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 16:41:36,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 16:41:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:36,030 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:41:36,031 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:41:36,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:36,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:36,061 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 16:41:36,061 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:41:36,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:41:36,065 INFO L82 PathProgramCache]: Analyzing trace with hash -405063326, now seen corresponding path program 1 times [2021-06-07 16:41:36,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:41:36,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477666648] [2021-06-07 16:41:36,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:41:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:41:36,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:41:36,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477666648] [2021-06-07 16:41:36,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477666648] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 16:41:36,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 16:41:36,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 16:41:36,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874344999] [2021-06-07 16:41:36,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 16:41:36,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:41:36,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 16:41:36,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 16:41:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:36,116 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:41:36,116 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) [2021-06-07 16:41:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:36,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:36,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 16:41:36,160 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:41:36,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:41:36,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1348040252, now seen corresponding path program 1 times [2021-06-07 16:41:36,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:41:36,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7904952] [2021-06-07 16:41:36,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:41:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:41:36,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:41:36,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7904952] [2021-06-07 16:41:36,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7904952] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:36,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824645628] [2021-06-07 16:41:36,627 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 [2021-06-07 16:41:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:36,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 16:41:36,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:41:37,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-07 16:41:37,079 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:37,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-07 16:41:37,085 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:37,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-07 16:41:37,095 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:37,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-07 16:41:37,100 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:37,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-07 16:41:37,104 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:37,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-07 16:41:37,110 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:37,150 INFO L628 ElimStorePlain]: treesize reduction 21, result has 58.0 percent of original size [2021-06-07 16:41:37,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-07 16:41:37,153 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:193, output treesize:21 [2021-06-07 16:41:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:41:37,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824645628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:37,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:41:37,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-07 16:41:37,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131712063] [2021-06-07 16:41:37,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 16:41:37,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:41:37,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 16:41:37,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-07 16:41:37,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:37,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:41:37,211 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:41:37,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:37,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:37,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:37,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:37,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:37,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:37,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:41:37,617 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:41:37,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:41:37,618 INFO L82 PathProgramCache]: Analyzing trace with hash -423836826, now seen corresponding path program 2 times [2021-06-07 16:41:37,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:41:37,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269037437] [2021-06-07 16:41:37,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:41:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:41:37,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:41:37,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269037437] [2021-06-07 16:41:37,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269037437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:37,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829419202] [2021-06-07 16:41:37,713 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 [2021-06-07 16:41:37,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:41:37,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:41:37,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 16:41:37,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:41:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:41:37,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829419202] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:37,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:41:37,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-07 16:41:37,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874533235] [2021-06-07 16:41:37,856 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 16:41:37,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:41:37,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 16:41:37,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-07 16:41:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:37,857 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:41:37,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 12 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) [2021-06-07 16:41:37,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:37,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:37,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:37,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:41:38,236 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:41:38,236 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:41:38,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:41:38,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1614799138, now seen corresponding path program 1 times [2021-06-07 16:41:38,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:41:38,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739889450] [2021-06-07 16:41:38,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:41:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:41:38,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:41:38,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739889450] [2021-06-07 16:41:38,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739889450] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:38,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752005726] [2021-06-07 16:41:38,310 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 [2021-06-07 16:41:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:38,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 16:41:38,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:41:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:41:38,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752005726] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:38,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:41:38,456 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-07 16:41:38,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385961978] [2021-06-07 16:41:38,457 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 16:41:38,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:41:38,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 16:41:38,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-07 16:41:38,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:38,459 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:41:38,459 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) [2021-06-07 16:41:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:41:38,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:41:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:41:38,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:41:38,795 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:41:38,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:41:38,795 INFO L82 PathProgramCache]: Analyzing trace with hash 733534532, now seen corresponding path program 2 times [2021-06-07 16:41:38,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:41:38,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148621334] [2021-06-07 16:41:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:41:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:39,439 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2021-06-07 16:41:39,703 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2021-06-07 16:41:39,941 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-06-07 16:41:40,120 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2021-06-07 16:41:40,314 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2021-06-07 16:41:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:41:40,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:41:40,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148621334] [2021-06-07 16:41:40,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148621334] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:40,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245749307] [2021-06-07 16:41:40,433 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 [2021-06-07 16:41:40,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 16:41:40,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:41:40,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-07 16:41:40,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:41:41,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:41,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:41,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:41,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:41,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:41:41,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:41,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:41,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:41,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:41,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:41,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:41:41,953 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:41,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:41,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:41,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:41,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:41:41,968 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:41,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:41,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:41,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,003 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:41:42,018 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:41:42,045 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:41:42,064 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:41:42,078 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,093 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,108 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:41:42,122 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:41:42,134 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 19 [2021-06-07 16:41:42,149 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:41:42,164 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:41:42,179 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:41:42,196 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:41:42,210 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,226 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:41:42,237 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-06-07 16:41:42,251 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:41:42,265 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:41:42,278 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 25 [2021-06-07 16:41:42,291 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2021-06-07 16:41:42,316 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 19 [2021-06-07 16:41:42,328 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,343 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:41:42,358 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,373 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:41:42,388 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,403 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:41:42,418 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:41:42,433 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:41:42,448 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:41:42,462 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:41:42,477 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:41:42,490 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,504 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-06-07 16:41:42,518 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,531 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:41:42,545 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:41:42,556 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-06-07 16:41:42,569 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:41:42,581 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,594 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 25 [2021-06-07 16:41:42,606 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:41:42,618 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:41:42,630 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-07 16:41:42,641 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-07 16:41:42,654 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:41:42,669 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:41:42,684 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-06-07 16:41:42,698 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:41:42,713 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:41:42,727 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:41:42,742 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,754 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:41:42,769 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:41:42,783 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:41:42,797 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:41:42,813 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2021-06-07 16:41:42,826 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:41:42,840 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:41:42,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:41:42,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2021-06-07 16:41:42,852 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-06-07 16:41:42,968 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2021-06-07 16:41:42,969 INFO L628 ElimStorePlain]: treesize reduction 152, result has 33.0 percent of original size [2021-06-07 16:41:42,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-07 16:41:42,971 INFO L247 ElimStorePlain]: Needed 64 recursive calls to eliminate 2 variables, input treesize:3159, output treesize:51 [2021-06-07 16:41:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:41:43,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245749307] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:43,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:41:43,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-06-07 16:41:43,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121704522] [2021-06-07 16:41:43,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-07 16:41:43,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:41:43,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-07 16:41:43,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2021-06-07 16:41:43,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:43,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:41:43,069 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 23 states have internal predecessors, (58), 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) [2021-06-07 16:41:43,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:43,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:43,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:43,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:41:43,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:41:43,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:43,284 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2021-06-07 16:41:43,570 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 47 [2021-06-07 16:41:43,947 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 60 [2021-06-07 16:41:44,146 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2021-06-07 16:41:44,381 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66 [2021-06-07 16:41:44,735 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 73 [2021-06-07 16:41:45,239 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2021-06-07 16:41:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:41:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:41:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:41:45,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-07 16:41:45,557 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:41:45,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:41:45,557 INFO L82 PathProgramCache]: Analyzing trace with hash -53194522, now seen corresponding path program 3 times [2021-06-07 16:41:45,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:41:45,557 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10221798] [2021-06-07 16:41:45,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:41:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:41:45,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:41:45,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10221798] [2021-06-07 16:41:45,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10221798] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:45,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680760476] [2021-06-07 16:41:45,632 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 [2021-06-07 16:41:45,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 16:41:45,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:41:45,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 16:41:45,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:41:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:41:45,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680760476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:45,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:41:45,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-07 16:41:45,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791372427] [2021-06-07 16:41:45,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-07 16:41:45,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:41:45,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-07 16:41:45,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-07 16:41:45,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:45,837 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:41:45,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.6) internal successors, (52), 20 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:41:45,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:45,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:45,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:45,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:41:45,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:41:45,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:41:45,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:41:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:41:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:41:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:41:46,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:41:46,558 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:41:46,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:41:46,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1557442210, now seen corresponding path program 4 times [2021-06-07 16:41:46,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:41:46,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547385842] [2021-06-07 16:41:46,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:41:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:41:46,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:41:46,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547385842] [2021-06-07 16:41:46,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547385842] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:46,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688997705] [2021-06-07 16:41:46,650 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 [2021-06-07 16:41:46,679 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 16:41:46,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:41:46,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 16:41:46,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:41:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 16:41:46,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688997705] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:46,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:41:46,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-07 16:41:46,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556350892] [2021-06-07 16:41:46,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 16:41:46,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:41:46,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 16:41:46,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-07 16:41:46,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:46,827 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:41:46,827 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 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) [2021-06-07 16:41:46,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:46,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:41:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:41:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:41:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:41:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:41:47,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:41:47,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:41:47,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:41:47,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:41:47,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:41:47,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:41:47,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:41:47,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:41:47,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:41:47,221 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:41:47,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:41:47,221 INFO L82 PathProgramCache]: Analyzing trace with hash 753689796, now seen corresponding path program 5 times [2021-06-07 16:41:47,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:41:47,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600246862] [2021-06-07 16:41:47,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:41:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:41:48,283 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 45 [2021-06-07 16:41:48,477 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 138 [2021-06-07 16:41:48,831 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 66 [2021-06-07 16:41:49,283 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 234 [2021-06-07 16:41:50,041 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 108 [2021-06-07 16:41:50,372 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2021-06-07 16:41:51,604 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 222 DAG size of output: 132 [2021-06-07 16:41:51,931 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 216 [2021-06-07 16:41:53,060 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 216 DAG size of output: 127 [2021-06-07 16:41:53,569 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-06-07 16:41:53,876 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 80 [2021-06-07 16:41:54,087 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2021-06-07 16:41:54,302 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 43 [2021-06-07 16:41:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:41:54,463 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:41:54,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600246862] [2021-06-07 16:41:54,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600246862] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:41:54,468 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790760120] [2021-06-07 16:41:54,468 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 [2021-06-07 16:41:54,521 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 16:41:54,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:41:54,523 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-07 16:41:54,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:41:56,701 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-07 16:41:58,241 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-07 16:42:00,580 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-07 16:42:02,477 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 365 [2021-06-07 16:42:04,345 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 367 [2021-06-07 16:42:06,024 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-07 16:42:07,492 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-06-07 16:42:09,476 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-06-07 16:42:10,289 INFO L446 ElimStorePlain]: Different costs {9=[v_prenex_93, v_prenex_71, v_prenex_91, v_prenex_32, v_prenex_75, v_prenex_53, v_prenex_73, v_prenex_51, v_prenex_36, v_prenex_79, v_prenex_57, v_prenex_34, v_prenex_77, v_prenex_55, v_prenex_39, v_prenex_59, v_prenex_83, v_prenex_61, A, v_prenex_81, v_prenex_65, v_prenex_87, v_prenex_63, v_prenex_85, v_prenex_69, v_prenex_47, v_prenex_67, v_prenex_45, v_prenex_89, v_prenex_49], 15=[v_prenex_43, v_prenex_41]} [2021-06-07 16:42:10,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:10,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:10,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:10,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:10,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:10,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-07 16:42:10,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:10,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:10,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:10,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:10,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-07 16:42:10,438 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:18,259 WARN L205 SmtUtils]: Spent 7.82 s on a formula simplification. DAG size of input: 808 DAG size of output: 753 [2021-06-07 16:42:18,260 INFO L628 ElimStorePlain]: treesize reduction 1218, result has 69.0 percent of original size [2021-06-07 16:42:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:18,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:18,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:18,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:18,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:18,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:18,319 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:21,658 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification that was a NOOP. DAG size: 739 [2021-06-07 16:42:21,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:21,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:21,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:21,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:21,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:21,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:21,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-07 16:42:21,733 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:21,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:21,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:21,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:21,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:21,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:42:21,777 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:24,989 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 724 [2021-06-07 16:42:24,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:25,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:25,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:25,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:42:25,025 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:28,137 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 710 [2021-06-07 16:42:28,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:28,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:28,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:28,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:28,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-07 16:42:28,200 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:28,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:28,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:28,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:28,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:28,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:42:28,238 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:31,200 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 694 [2021-06-07 16:42:31,200 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:31,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:31,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:31,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:31,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:31,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:31,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-07 16:42:31,235 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:34,049 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 679 [2021-06-07 16:42:34,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:34,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:34,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-07 16:42:34,084 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:36,778 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 664 [2021-06-07 16:42:36,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:36,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:36,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:36,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:36,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:36,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-07 16:42:36,835 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:36,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:36,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:36,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:36,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:36,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:42:36,885 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:39,468 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 649 [2021-06-07 16:42:39,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:39,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:39,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:39,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:39,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:39,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-07 16:42:39,527 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:39,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:39,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:39,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:39,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:42:39,564 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:41,989 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 633 [2021-06-07 16:42:41,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:42,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:42,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:42,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:42,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:42,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-07 16:42:42,041 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:42,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:42,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:42,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:42,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:42,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:42:42,080 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:44,278 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 617 [2021-06-07 16:42:44,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:44,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:44,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-07 16:42:44,310 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:46,407 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 602 [2021-06-07 16:42:46,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:46,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:46,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:46,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:46,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:46,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-07 16:42:46,455 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:46,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:46,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:42:46,501 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:48,499 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 585 [2021-06-07 16:42:48,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:48,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:48,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:48,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:48,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:48,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:48,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:48,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:42:48,547 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:48,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:48,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:48,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:48,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-07 16:42:48,588 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:50,520 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 568 [2021-06-07 16:42:50,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:50,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:50,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:50,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:50,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:50,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:50,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-07 16:42:50,550 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:52,282 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 554 [2021-06-07 16:42:52,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:52,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:52,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:52,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:52,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:52,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:42:52,335 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:52,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:52,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:52,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:52,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:52,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:52,375 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 [2021-06-07 16:42:52,377 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:54,015 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 537 [2021-06-07 16:42:54,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:54,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:54,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:54,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:54,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:42:54,062 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:54,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:54,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:54,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:54,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:54,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:54,088 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 [2021-06-07 16:42:54,090 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:55,623 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 520 [2021-06-07 16:42:55,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:55,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:55,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:55,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:55,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:42:55,667 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:55,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:55,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:55,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:55,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:55,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:55,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-07 16:42:55,696 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:57,093 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 503 [2021-06-07 16:42:57,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:57,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:57,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:57,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:57,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-07 16:42:57,120 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:58,514 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 488 [2021-06-07 16:42:58,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:58,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:58,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:58,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:58,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:58,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:58,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-07 16:42:58,561 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-07 16:42:59,901 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 473 [2021-06-07 16:42:59,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:42:59,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:59,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:59,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:59,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:42:59,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:42:59,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:42:59,930 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:01,216 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 458 [2021-06-07 16:43:01,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:01,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:01,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:01,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:01,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-07 16:43:01,256 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:01,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:01,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:01,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:01,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-07 16:43:01,284 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:02,492 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 441 [2021-06-07 16:43:02,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:02,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:02,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-07 16:43:02,516 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:03,692 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 426 [2021-06-07 16:43:03,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:03,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:03,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:03,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:03,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:03,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:03,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-07 16:43:03,729 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:03,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:03,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:03,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:03,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:03,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:43:03,753 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:04,838 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 409 [2021-06-07 16:43:04,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:04,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:04,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:43:04,875 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:04,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:04,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:04,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:04,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:04,900 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 [2021-06-07 16:43:04,901 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:05,907 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 392 [2021-06-07 16:43:05,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:05,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:05,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:05,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:05,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:05,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:05,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:43:05,933 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:06,903 WARN L205 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-06-07 16:43:06,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:06,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:06,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:06,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:06,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:06,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:06,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:06,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-07 16:43:06,937 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:06,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:06,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:06,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:06,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:06,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:43:06,960 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:07,852 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2021-06-07 16:43:07,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:07,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:07,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:07,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:07,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:07,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:07,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-07 16:43:07,874 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:08,722 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2021-06-07 16:43:08,722 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:08,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:08,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:08,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:08,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:08,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-07 16:43:08,759 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:08,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:08,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:08,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:08,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:08,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:08,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:43:08,779 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:09,539 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2021-06-07 16:43:09,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:09,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:09,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:09,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:09,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:09,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:09,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:43:09,561 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:10,295 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2021-06-07 16:43:10,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:10,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:10,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:10,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:10,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:10,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:10,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-07 16:43:10,317 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:11,016 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-06-07 16:43:11,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:11,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 16:43:11,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-07 16:43:11,045 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:11,722 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-06-07 16:43:11,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 16:43:11,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-06-07 16:43:11,750 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-06-07 16:43:12,408 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-07 16:43:12,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 16:43:12,444 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 23 xjuncts. [2021-06-07 16:43:12,444 INFO L247 ElimStorePlain]: Needed 49 recursive calls to eliminate 96 variables, input treesize:4005, output treesize:246 [2021-06-07 16:43:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:43:12,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790760120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:43:12,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:43:12,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-07 16:43:12,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018146622] [2021-06-07 16:43:12,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-07 16:43:12,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:43:12,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-07 16:43:12,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-06-07 16:43:12,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:43:12,672 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:43:12,672 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 16:43:12,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:43:12,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:43:12,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:43:12,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:43:12,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:43:12,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:43:12,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:43:12,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:43:12,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:43:13,052 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2021-06-07 16:43:13,508 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 47 [2021-06-07 16:43:14,092 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 65 [2021-06-07 16:43:14,405 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-06-07 16:43:14,865 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 110 [2021-06-07 16:43:15,350 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 90 [2021-06-07 16:43:15,798 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 93 [2021-06-07 16:43:17,433 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 532 DAG size of output: 174 [2021-06-07 16:43:18,188 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 110 [2021-06-07 16:43:21,161 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 219 DAG size of output: 208 [2021-06-07 16:43:25,918 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 527 DAG size of output: 245 [2021-06-07 16:43:29,791 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 270 DAG size of output: 143 [2021-06-07 16:43:30,124 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2021-06-07 16:43:30,698 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-07 16:43:31,235 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 122 [2021-06-07 16:43:31,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:43:31,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:43:31,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:43:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:43:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:43:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:43:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:43:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:43:31,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 16:43:31,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-06-07 16:43:31,518 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:43:31,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:43:31,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1095960746, now seen corresponding path program 6 times [2021-06-07 16:43:31,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:43:31,518 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763361708] [2021-06-07 16:43:31,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:43:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:43:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:43:31,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 16:43:31,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763361708] [2021-06-07 16:43:31,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763361708] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:43:31,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586605466] [2021-06-07 16:43:31,668 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:43:31,714 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-07 16:43:31,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 16:43:31,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 16:43:31,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 16:43:31,940 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 16:43:31,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586605466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 16:43:31,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 16:43:31,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-07 16:43:31,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057930787] [2021-06-07 16:43:31,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-07 16:43:31,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 16:43:31,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-07 16:43:31,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-07 16:43:31,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:43:31,942 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 16:43:31,942 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 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) [2021-06-07 16:43:31,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:43:31,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:43:31,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:43:31,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:43:31,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:43:31,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:43:31,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:43:31,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:43:31,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-07 16:43:31,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 16:43:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 16:43:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 16:43:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 16:43:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 16:43:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 16:43:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 16:43:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 16:43:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 16:43:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-07 16:43:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 16:43:32,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 16:43:32,369 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 16:43:32,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 16:43:32,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1651211468, now seen corresponding path program 7 times [2021-06-07 16:43:32,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 16:43:32,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140942625] [2021-06-07 16:43:32,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 16:43:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 16:43:44,610 WARN L205 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 118 DAG size of output: 33 [2021-06-07 16:43:57,150 WARN L205 SmtUtils]: Spent 12.50 s on a formula simplification. DAG size of input: 175 DAG size of output: 87 [2021-06-07 16:43:57,295 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 47 [2021-06-07 16:44:18,389 WARN L205 SmtUtils]: Spent 21.09 s on a formula simplification. DAG size of input: 212 DAG size of output: 136 [2021-06-07 16:44:18,719 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 66 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown