/usr/bin/java -Xmx8000000000 -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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 10:54:48,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 10:54:48,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 10:54:48,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 10:54:48,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 10:54:48,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 10:54:48,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 10:54:48,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 10:54:48,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 10:54:48,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 10:54:48,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 10:54:48,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 10:54:48,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 10:54:48,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 10:54:48,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 10:54:48,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 10:54:48,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 10:54:48,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 10:54:48,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 10:54:48,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 10:54:48,630 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-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 10:54:48,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 10:54:48,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 10:54:48,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 10:54:48,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 10:54:48,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 10:54:48,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 10:54:48,669 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 10:54:48,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 10:54:48,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 10:54:48,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 10:54:48,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 10:54:48,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 10:54:48,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 10:54:48,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 10:54:48,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 10:54:48,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 10:54:48,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 10:54:48,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 10:54:48,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 10:54:48,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 10:54:48,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 10:54:48,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 10:54:48,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 10:54:48,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 10:54:48,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 10:54:48,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 10:54:48,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 10:54:48,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 10:54:48,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 10:54:48,674 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 10:54:48,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 10:54:48,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 10:54:48,675 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 10:54:48,675 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 10:54:48,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 10:54:48,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 10:54:48,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 10:54:48,985 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 10:54:48,986 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 10:54:48,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl [2021-07-14 10:54:48,987 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl' [2021-07-14 10:54:49,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 10:54:49,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 10:54:49,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 10:54:49,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 10:54:49,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 10:54:49,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (1/1) ... [2021-07-14 10:54:49,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (1/1) ... [2021-07-14 10:54:49,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 10:54:49,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 10:54:49,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 10:54:49,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 10:54:49,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (1/1) ... [2021-07-14 10:54:49,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (1/1) ... [2021-07-14 10:54:49,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (1/1) ... [2021-07-14 10:54:49,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (1/1) ... [2021-07-14 10:54:49,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (1/1) ... [2021-07-14 10:54:49,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (1/1) ... [2021-07-14 10:54:49,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (1/1) ... [2021-07-14 10:54:49,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 10:54:49,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 10:54:49,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 10:54:49,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 10:54:49,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (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 [2021-07-14 10:54:49,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 10:54:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 10:54:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 10:54:49,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 10:54:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 10:54:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 10:54:49,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 10:54:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 10:54:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 10:54:49,120 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 10:54:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 10:54:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 10:54:49,121 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-14 10:54:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-14 10:54:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-14 10:54:49,122 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 10:54:49,410 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 10:54:49,411 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 10:54:49,413 INFO L202 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:54:49 BoogieIcfgContainer [2021-07-14 10:54:49,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 10:54:49,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 10:54:49,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 10:54:49,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 10:54:49,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:54:49" (1/2) ... [2021-07-14 10:54:49,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f56a3fd and model type min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:54:49, skipping insertion in model container [2021-07-14 10:54:49,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:54:49" (2/2) ... [2021-07-14 10:54:49,418 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-inc.wvr.bpl [2021-07-14 10:54:49,422 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 10:54:49,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 10:54:49,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 10:54:49,423 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 10:54:49,519 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 10:54:49,541 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-07-14 10:54:49,606 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 10:54:49,606 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 10:54:49,606 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 10:54:49,606 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 10:54:49,606 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 10:54:49,606 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 10:54:49,606 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 10:54:49,606 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 10:54:49,784 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:54:49,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:54:49,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1202118474, now seen corresponding path program 1 times [2021-07-14 10:54:49,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:54:49,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3207934] [2021-07-14 10:54:49,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:54:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:54:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:54:49,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:54:49,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3207934] [2021-07-14 10:54:49,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3207934] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:49,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355429683] [2021-07-14 10:54:49,943 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 [2021-07-14 10:54:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:54:50,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 10:54:50,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:54:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:54:50,185 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355429683] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:50,185 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:54:50,185 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 10:54:50,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960545732] [2021-07-14 10:54:50,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 10:54:50,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:54:50,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 10:54:50,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-14 10:54:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:54:50,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:54:50,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-07-14 10:54:50,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:54:50,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:54:50,555 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 10:54:50,556 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:54:50,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:54:50,556 INFO L82 PathProgramCache]: Analyzing trace with hash -734293272, now seen corresponding path program 2 times [2021-07-14 10:54:50,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:54:50,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661272144] [2021-07-14 10:54:50,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:54:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:54:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:54:50,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:54:50,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661272144] [2021-07-14 10:54:50,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661272144] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:50,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798229077] [2021-07-14 10:54:50,631 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 [2021-07-14 10:54:50,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:54:50,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:54:50,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 10:54:50,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:54:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:54:50,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798229077] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:50,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:54:50,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 10:54:50,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586737219] [2021-07-14 10:54:50,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 10:54:50,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:54:50,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 10:54:50,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-14 10:54:50,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:54:50,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:54:50,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 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) [2021-07-14 10:54:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:54:50,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:54:50,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:54:50,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:54:51,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:54:51,069 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:54:51,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:54:51,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1356047920, now seen corresponding path program 3 times [2021-07-14 10:54:51,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:54:51,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867497553] [2021-07-14 10:54:51,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:54:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:54:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 10:54:51,122 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:54:51,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867497553] [2021-07-14 10:54:51,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867497553] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:51,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379177872] [2021-07-14 10:54:51,123 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 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 [2021-07-14 10:54:51,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 10:54:51,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:54:51,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 10:54:51,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:54:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 10:54:51,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379177872] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:51,367 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:54:51,367 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-14 10:54:51,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976175530] [2021-07-14 10:54:51,367 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 10:54:51,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:54:51,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 10:54:51,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-07-14 10:54:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:54:51,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:54:51,369 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 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) [2021-07-14 10:54:51,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:54:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:54:51,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:54:51,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:54:51,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:54:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:54:51,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:54:51,840 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:54:51,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:54:51,841 INFO L82 PathProgramCache]: Analyzing trace with hash -990792202, now seen corresponding path program 4 times [2021-07-14 10:54:51,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:54:51,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901725990] [2021-07-14 10:54:51,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:54:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:54:51,909 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:54:51,909 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:54:51,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901725990] [2021-07-14 10:54:51,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901725990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:51,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41370677] [2021-07-14 10:54:51,910 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 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 [2021-07-14 10:54:51,954 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:54:51,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:54:51,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 10:54:51,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:54:52,039 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:54:52,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41370677] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:52,039 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:54:52,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 10:54:52,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151621440] [2021-07-14 10:54:52,040 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 10:54:52,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:54:52,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 10:54:52,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-14 10:54:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:54:52,041 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:54:52,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 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) [2021-07-14 10:54:52,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:54:52,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:54:52,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:54:52,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:54:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:54:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:54:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:54:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:54:52,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:54:52,437 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:54:52,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:54:52,437 INFO L82 PathProgramCache]: Analyzing trace with hash -568719002, now seen corresponding path program 5 times [2021-07-14 10:54:52,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:54:52,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141806694] [2021-07-14 10:54:52,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:54:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:54:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 10:54:52,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:54:52,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141806694] [2021-07-14 10:54:52,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141806694] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:52,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531729112] [2021-07-14 10:54:52,538 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 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 [2021-07-14 10:54:52,614 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-14 10:54:52,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:54:52,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 10:54:52,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:54:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 10:54:52,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531729112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:52,779 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:54:52,779 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 12 [2021-07-14 10:54:52,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045462379] [2021-07-14 10:54:52,780 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 10:54:52,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:54:52,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 10:54:52,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-07-14 10:54:52,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:54:52,784 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:54:52,784 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 12 states have internal predecessors, (66), 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) [2021-07-14 10:54:52,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:54:52,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:54:52,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:54:52,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:54:52,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:54:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:54:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:54:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:54:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:54:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:54:53,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:54:53,270 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:54:53,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:54:53,270 INFO L82 PathProgramCache]: Analyzing trace with hash -178627820, now seen corresponding path program 6 times [2021-07-14 10:54:53,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:54:53,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012563320] [2021-07-14 10:54:53,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:54:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:54:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 10:54:53,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:54:53,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012563320] [2021-07-14 10:54:53,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012563320] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:54:53,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336578041] [2021-07-14 10:54:53,376 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 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 [2021-07-14 10:54:53,440 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 10:54:53,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:54:53,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 10:54:53,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:54:54,966 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-07-14 10:54:55,912 INFO L446 ElimStorePlain]: Different costs {15=[A, v_prenex_20, v_prenex_22, v_prenex_18], 210=[v_prenex_30]} [2021-07-14 10:54:55,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:54:55,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:54:55,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:54:55,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:54:56,021 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:54:56,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 41 treesize of output 119 [2021-07-14 10:54:57,326 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 183 [2021-07-14 10:54:57,512 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 216 [2021-07-14 10:54:57,721 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 216 [2021-07-14 10:54:58,140 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 219 [2021-07-14 10:54:58,571 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 143 [2021-07-14 10:54:58,955 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 171 [2021-07-14 10:54:58,964 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 10:55:00,050 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 363 DAG size of output: 228 [2021-07-14 10:55:00,052 INFO L628 ElimStorePlain]: treesize reduction 1096, result has 33.8 percent of original size [2021-07-14 10:55:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:00,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:00,144 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:00,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 41 treesize of output 119 [2021-07-14 10:55:00,697 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 160 [2021-07-14 10:55:01,428 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 156 [2021-07-14 10:55:01,553 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 156 [2021-07-14 10:55:01,805 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 10:55:02,415 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 228 [2021-07-14 10:55:02,416 INFO L628 ElimStorePlain]: treesize reduction 306, result has 64.9 percent of original size [2021-07-14 10:55:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:02,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:02,530 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:02,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 39 treesize of output 119 [2021-07-14 10:55:03,406 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2021-07-14 10:55:03,529 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2021-07-14 10:55:04,514 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 10:55:05,525 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 355 DAG size of output: 230 [2021-07-14 10:55:05,526 INFO L628 ElimStorePlain]: treesize reduction 1106, result has 33.9 percent of original size [2021-07-14 10:55:05,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:05,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:05,646 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:05,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 39 treesize of output 119 [2021-07-14 10:55:06,655 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 3 xjuncts. [2021-07-14 10:55:07,542 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 224 [2021-07-14 10:55:07,543 INFO L628 ElimStorePlain]: treesize reduction 188, result has 74.7 percent of original size [2021-07-14 10:55:07,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:07,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:07,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:07,645 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:07,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 43 treesize of output 119 [2021-07-14 10:55:08,530 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-07-14 10:55:08,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:08,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:08,714 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-07-14 10:55:08,724 INFO L354 Elim1Store]: treesize reduction 4, result has 96.0 percent of original size [2021-07-14 10:55:08,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 43 treesize of output 115 [2021-07-14 10:55:09,253 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:09,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:09,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:09,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:09,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:09,431 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2021-07-14 10:55:09,431 INFO L354 Elim1Store]: treesize reduction 8, result has 92.1 percent of original size [2021-07-14 10:55:09,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 43 treesize of output 111 [2021-07-14 10:55:09,594 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 10:55:09,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:09,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:09,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:09,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:55:09,725 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:55:09,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 43 treesize of output 119 [2021-07-14 10:55:10,941 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 3 xjuncts. [2021-07-14 10:55:12,573 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 424 DAG size of output: 241 [2021-07-14 10:55:12,574 INFO L628 ElimStorePlain]: treesize reduction 1430, result has 29.3 percent of original size [2021-07-14 10:55:12,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 25 dim-0 vars, 5 dim-1 vars, End of recursive call: and 15 xjuncts. [2021-07-14 10:55:12,879 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 30 variables, input treesize:541, output treesize:165 [2021-07-14 10:55:13,007 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 10:55:13,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336578041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:13,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:13,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 21 [2021-07-14 10:55:13,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796532072] [2021-07-14 10:55:13,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 10:55:13,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:13,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 10:55:13,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-07-14 10:55:13,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:13,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:13,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 21 states have internal predecessors, (78), 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) [2021-07-14 10:55:13,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:13,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:55:13,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:55:13,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:55:13,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:55:13,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:13,681 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2021-07-14 10:55:13,917 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 10:55:14,605 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2021-07-14 10:55:14,950 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 10:55:15,863 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 10:55:16,141 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-07-14 10:55:17,625 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-07-14 10:55:17,838 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-07-14 10:55:19,589 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 120 DAG size of output: 84 [2021-07-14 10:55:20,815 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 120 DAG size of output: 84 [2021-07-14 10:55:21,900 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-07-14 10:55:24,924 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 121 DAG size of output: 85 [2021-07-14 10:55:25,181 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-07-14 10:55:25,408 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-07-14 10:55:25,662 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-07-14 10:55:26,862 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-07-14 10:55:27,160 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2021-07-14 10:55:28,755 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-07-14 10:55:29,016 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-07-14 10:55:29,275 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-07-14 10:55:29,924 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-14 10:55:30,605 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-14 10:55:30,905 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-07-14 10:55:32,806 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2021-07-14 10:55:34,412 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-07-14 10:55:36,500 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-07-14 10:55:36,919 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-14 10:55:37,165 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-07-14 10:55:38,596 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 112 DAG size of output: 76 [2021-07-14 10:55:40,270 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 113 DAG size of output: 77 [2021-07-14 10:55:42,170 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 113 DAG size of output: 77 [2021-07-14 10:55:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:55:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:55:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:55:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:55:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 10:55:42,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:42,421 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:42,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:42,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1386083918, now seen corresponding path program 7 times [2021-07-14 10:55:42,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:42,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181706260] [2021-07-14 10:55:42,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 70 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:55:42,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:42,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181706260] [2021-07-14 10:55:42,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181706260] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:42,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796178300] [2021-07-14 10:55:42,586 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 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 [2021-07-14 10:55:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:42,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 10:55:42,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 59 proven. 19 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 10:55:42,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796178300] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:42,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:42,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 15 [2021-07-14 10:55:42,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75984213] [2021-07-14 10:55:42,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 10:55:42,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:42,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 10:55:42,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-07-14 10:55:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:42,716 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:42,716 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.125) internal successors, (66), 15 states have internal predecessors, (66), 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) [2021-07-14 10:55:42,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:42,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:55:42,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:55:42,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:55:42,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:55:42,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 10:55:42,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:43,414 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-07-14 10:55:44,107 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-07-14 10:55:46,018 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-07-14 10:55:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:55:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:55:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:55:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:55:46,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 10:55:46,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:55:46,289 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1595 [2021-07-14 10:55:46,289 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:46,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:46,290 INFO L82 PathProgramCache]: Analyzing trace with hash 720537966, now seen corresponding path program 8 times [2021-07-14 10:55:46,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:46,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390912424] [2021-07-14 10:55:46,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:46,413 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 38 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 10:55:46,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:46,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390912424] [2021-07-14 10:55:46,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390912424] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:46,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235112956] [2021-07-14 10:55:46,413 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 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 [2021-07-14 10:55:46,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:55:46,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:46,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 10:55:46,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 61 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 10:55:46,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235112956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:46,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:46,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 16 [2021-07-14 10:55:46,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777099289] [2021-07-14 10:55:46,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 10:55:46,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:46,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 10:55:46,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2021-07-14 10:55:46,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:46,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:46,607 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.823529411764706) internal successors, (82), 16 states have internal predecessors, (82), 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) [2021-07-14 10:55:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:55:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:55:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:55:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:55:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 10:55:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:55:46,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:47,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:47,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:55:47,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:55:47,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:55:47,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:55:47,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 10:55:47,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:55:47,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:55:47,248 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1596 [2021-07-14 10:55:47,249 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:47,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:47,249 INFO L82 PathProgramCache]: Analyzing trace with hash -41387954, now seen corresponding path program 9 times [2021-07-14 10:55:47,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:47,249 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594978639] [2021-07-14 10:55:47,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 65 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 10:55:47,458 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:47,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594978639] [2021-07-14 10:55:47,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594978639] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:47,458 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680219011] [2021-07-14 10:55:47,458 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:47,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 10:55:47,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:47,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 10:55:47,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 70 proven. 49 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-07-14 10:55:47,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680219011] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:47,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:47,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 28 [2021-07-14 10:55:47,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953498278] [2021-07-14 10:55:47,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 10:55:47,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:47,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 10:55:47,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=697, Unknown=0, NotChecked=0, Total=812 [2021-07-14 10:55:47,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:47,796 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:47,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 28 states have internal predecessors, (98), 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) [2021-07-14 10:55:47,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:47,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:55:47,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:55:47,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:55:47,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:55:47,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 10:55:47,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:55:47,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:55:47,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:55:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:55:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:55:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:55:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 10:55:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:55:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:55:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:55:50,022 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1597 [2021-07-14 10:55:50,023 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:55:50,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:55:50,023 INFO L82 PathProgramCache]: Analyzing trace with hash -678761404, now seen corresponding path program 10 times [2021-07-14 10:55:50,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:55:50,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111955146] [2021-07-14 10:55:50,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:55:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:55:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 485 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:55:50,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:55:50,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111955146] [2021-07-14 10:55:50,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111955146] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:50,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695801669] [2021-07-14 10:55:50,887 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:55:50,946 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:55:50,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:55:50,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 10:55:50,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:55:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 294 proven. 39 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-07-14 10:55:51,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695801669] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:55:51,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:55:51,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 15] total 55 [2021-07-14 10:55:51,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690859993] [2021-07-14 10:55:51,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-07-14 10:55:51,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:55:51,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-07-14 10:55:51,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=591, Invalid=2489, Unknown=0, NotChecked=0, Total=3080 [2021-07-14 10:55:51,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:51,508 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:55:51,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 2.625) internal successors, (147), 55 states have internal predecessors, (147), 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) [2021-07-14 10:55:51,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:55:51,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:55:51,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:55:51,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:55:51,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:55:51,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 10:55:51,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:55:51,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:55:51,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:55:51,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:55:52,893 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-07-14 10:55:53,616 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2021-07-14 10:55:55,448 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-07-14 10:55:57,833 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-07-14 10:55:59,603 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-07-14 10:56:00,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:00,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1598 [2021-07-14 10:56:00,960 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:00,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:00,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1125348514, now seen corresponding path program 11 times [2021-07-14 10:56:00,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:00,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573176376] [2021-07-14 10:56:00,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 668 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:56:01,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:01,965 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573176376] [2021-07-14 10:56:01,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573176376] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:01,965 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191690665] [2021-07-14 10:56:01,965 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:02,395 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-07-14 10:56:02,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:02,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 10:56:02,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 980 proven. 216 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-07-14 10:56:02,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191690665] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:02,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:02,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 12] total 66 [2021-07-14 10:56:02,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216601688] [2021-07-14 10:56:02,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 10:56:02,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:02,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 10:56:02,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=781, Invalid=3641, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 10:56:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:02,950 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:02,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 3.0597014925373136) internal successors, (205), 66 states have internal predecessors, (205), 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) [2021-07-14 10:56:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:02,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:02,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:03,664 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1599 [2021-07-14 10:56:03,665 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:03,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:03,665 INFO L82 PathProgramCache]: Analyzing trace with hash 500194044, now seen corresponding path program 12 times [2021-07-14 10:56:03,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:03,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336258904] [2021-07-14 10:56:03,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 670 proven. 891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:56:04,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:04,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336258904] [2021-07-14 10:56:04,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336258904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:04,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863002162] [2021-07-14 10:56:04,660 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:04,853 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2021-07-14 10:56:04,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:04,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 10:56:04,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 831 proven. 238 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2021-07-14 10:56:05,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863002162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:05,460 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:05,461 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 13] total 67 [2021-07-14 10:56:05,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260177743] [2021-07-14 10:56:05,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-07-14 10:56:05,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:05,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-07-14 10:56:05,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=789, Invalid=3767, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 10:56:05,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:05,463 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:05,463 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 3.0441176470588234) internal successors, (207), 67 states have internal predecessors, (207), 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) [2021-07-14 10:56:05,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:05,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:05,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:05,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:05,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:05,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:05,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:05,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:05,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:05,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:05,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:05,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:06,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1600 [2021-07-14 10:56:06,480 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:06,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:06,481 INFO L82 PathProgramCache]: Analyzing trace with hash -721503462, now seen corresponding path program 13 times [2021-07-14 10:56:06,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:06,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071283336] [2021-07-14 10:56:06,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:07,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 672 proven. 908 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:56:07,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:07,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071283336] [2021-07-14 10:56:07,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071283336] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:07,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484031996] [2021-07-14 10:56:07,401 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:07,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 10:56:07,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 1022 proven. 114 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-07-14 10:56:08,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484031996] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:08,226 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:08,226 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 20] total 74 [2021-07-14 10:56:08,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117114806] [2021-07-14 10:56:08,227 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-07-14 10:56:08,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:08,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-07-14 10:56:08,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=897, Invalid=4653, Unknown=0, NotChecked=0, Total=5550 [2021-07-14 10:56:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:08,229 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:08,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 3.026666666666667) internal successors, (227), 74 states have internal predecessors, (227), 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) [2021-07-14 10:56:08,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:08,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:08,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:08,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:08,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:09,038 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1601,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:09,038 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:09,039 INFO L82 PathProgramCache]: Analyzing trace with hash 2048232376, now seen corresponding path program 14 times [2021-07-14 10:56:09,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:09,039 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617681008] [2021-07-14 10:56:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 674 proven. 927 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:56:10,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:10,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617681008] [2021-07-14 10:56:10,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617681008] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:10,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485820045] [2021-07-14 10:56:10,094 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:10,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:56:10,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:10,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 10:56:10,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1601 backedges. 1022 proven. 135 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-07-14 10:56:10,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485820045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:10,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:10,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 20] total 74 [2021-07-14 10:56:10,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217927333] [2021-07-14 10:56:10,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-07-14 10:56:10,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:10,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-07-14 10:56:10,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=900, Invalid=4650, Unknown=0, NotChecked=0, Total=5550 [2021-07-14 10:56:10,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:10,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:10,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 3.08) internal successors, (231), 74 states have internal predecessors, (231), 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) [2021-07-14 10:56:10,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:10,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:10,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:11,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1602 [2021-07-14 10:56:11,733 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:11,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:11,733 INFO L82 PathProgramCache]: Analyzing trace with hash 884649174, now seen corresponding path program 15 times [2021-07-14 10:56:11,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:11,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468358295] [2021-07-14 10:56:11,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 675 proven. 948 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 10:56:12,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:12,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468358295] [2021-07-14 10:56:12,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468358295] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:12,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655940800] [2021-07-14 10:56:12,669 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:12,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-07-14 10:56:12,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:12,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 10:56:12,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 659 proven. 875 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-07-14 10:56:13,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655940800] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:13,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:13,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 27] total 81 [2021-07-14 10:56:13,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849800961] [2021-07-14 10:56:13,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-14 10:56:13,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:13,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-14 10:56:13,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=979, Invalid=5663, Unknown=0, NotChecked=0, Total=6642 [2021-07-14 10:56:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:13,951 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:13,952 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 3.0609756097560976) internal successors, (251), 81 states have internal predecessors, (251), 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) [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:13,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:14,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:14,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:14,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:14,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:14,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:14,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:14,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1603,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:14,979 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:14,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:14,979 INFO L82 PathProgramCache]: Analyzing trace with hash -627310988, now seen corresponding path program 16 times [2021-07-14 10:56:14,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:14,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15998801] [2021-07-14 10:56:14,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 675 proven. 972 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 10:56:16,091 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:16,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15998801] [2021-07-14 10:56:16,091 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15998801] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:16,091 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027186716] [2021-07-14 10:56:16,091 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:16,157 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:56:16,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:16,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 10:56:16,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 1021 proven. 183 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2021-07-14 10:56:16,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027186716] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:16,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:16,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 20] total 74 [2021-07-14 10:56:16,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306966795] [2021-07-14 10:56:16,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-07-14 10:56:16,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:16,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-07-14 10:56:16,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=904, Invalid=4646, Unknown=0, NotChecked=0, Total=5550 [2021-07-14 10:56:16,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:16,920 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:16,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 3.16) internal successors, (237), 74 states have internal predecessors, (237), 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) [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:16,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:16,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:17,865 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1604,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:17,865 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:17,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:17,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1922080622, now seen corresponding path program 17 times [2021-07-14 10:56:17,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:17,866 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979418387] [2021-07-14 10:56:17,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 675 proven. 999 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 10:56:18,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:18,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979418387] [2021-07-14 10:56:18,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979418387] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:18,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669219975] [2021-07-14 10:56:18,838 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:19,673 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-07-14 10:56:19,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:19,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-14 10:56:19,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 659 proven. 927 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-07-14 10:56:20,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669219975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:20,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:20,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 29] total 84 [2021-07-14 10:56:20,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418991275] [2021-07-14 10:56:20,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-07-14 10:56:20,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:20,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-07-14 10:56:20,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1036, Invalid=6104, Unknown=0, NotChecked=0, Total=7140 [2021-07-14 10:56:20,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:20,793 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:20,793 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 85 states, 85 states have (on average 3.0352941176470587) internal successors, (258), 84 states have internal predecessors, (258), 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) [2021-07-14 10:56:20,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:20,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:20,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:20,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:21,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:21,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:22,003 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1605 [2021-07-14 10:56:22,003 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:22,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:22,004 INFO L82 PathProgramCache]: Analyzing trace with hash -655183056, now seen corresponding path program 18 times [2021-07-14 10:56:22,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:22,004 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920424714] [2021-07-14 10:56:22,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 675 proven. 1028 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 10:56:23,142 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:23,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920424714] [2021-07-14 10:56:23,142 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920424714] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:23,142 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509211331] [2021-07-14 10:56:23,142 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:23,452 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2021-07-14 10:56:23,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:23,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 55 conjunts are in the unsatisfiable core [2021-07-14 10:56:23,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 1270 proven. 207 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-07-14 10:56:24,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509211331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:24,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:24,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 26] total 82 [2021-07-14 10:56:24,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216957319] [2021-07-14 10:56:24,525 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-07-14 10:56:24,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:24,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-07-14 10:56:24,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1020, Invalid=5786, Unknown=0, NotChecked=0, Total=6806 [2021-07-14 10:56:24,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:24,527 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:24,528 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 3.0120481927710845) internal successors, (250), 82 states have internal predecessors, (250), 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) [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:24,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:26,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:26,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:26,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:26,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:26,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:26,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:27,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1606,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:27,034 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:27,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:27,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1782103580, now seen corresponding path program 19 times [2021-07-14 10:56:27,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:27,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834427921] [2021-07-14 10:56:27,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:27,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 519 proven. 745 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-07-14 10:56:27,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:27,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834427921] [2021-07-14 10:56:27,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834427921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:27,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894568276] [2021-07-14 10:56:27,562 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:27,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 10:56:27,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 673 proven. 561 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2021-07-14 10:56:27,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894568276] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:27,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:27,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 28] total 34 [2021-07-14 10:56:27,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521627495] [2021-07-14 10:56:27,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 10:56:27,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:27,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 10:56:27,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=852, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 10:56:27,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:27,865 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:27,865 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.7714285714285714) internal successors, (132), 34 states have internal predecessors, (132), 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) [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:27,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:27,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:56:29,002 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1607 [2021-07-14 10:56:29,003 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:29,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:29,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1635586358, now seen corresponding path program 20 times [2021-07-14 10:56:29,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:29,003 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21148505] [2021-07-14 10:56:29,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 768 proven. 740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:56:29,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:29,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21148505] [2021-07-14 10:56:29,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21148505] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:29,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178221279] [2021-07-14 10:56:29,819 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:29,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:56:29,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:29,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 10:56:29,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 890 proven. 262 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-07-14 10:56:30,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178221279] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:30,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:30,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 25] total 78 [2021-07-14 10:56:30,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224723423] [2021-07-14 10:56:30,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-07-14 10:56:30,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:30,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-07-14 10:56:30,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1031, Invalid=5131, Unknown=0, NotChecked=0, Total=6162 [2021-07-14 10:56:30,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:30,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:30,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 3.1772151898734178) internal successors, (251), 78 states have internal predecessors, (251), 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) [2021-07-14 10:56:30,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:30,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:30,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:30,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:30,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:30,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:30,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:30,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:30,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:56:30,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:56:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:56:31,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1608,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:31,940 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:31,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:31,941 INFO L82 PathProgramCache]: Analyzing trace with hash -368688792, now seen corresponding path program 21 times [2021-07-14 10:56:31,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:31,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847756405] [2021-07-14 10:56:31,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:32,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 768 proven. 773 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:56:32,801 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:32,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847756405] [2021-07-14 10:56:32,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847756405] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:32,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478797037] [2021-07-14 10:56:32,801 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:32,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-07-14 10:56:32,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:32,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 10:56:32,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:33,455 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 10:56:33,642 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-07-14 10:56:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,149 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:56:34,149 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 79 [2021-07-14 10:56:34,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 10:56:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,295 INFO L354 Elim1Store]: treesize reduction 49, result has 19.7 percent of original size [2021-07-14 10:56:34,295 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 30 [2021-07-14 10:56:34,297 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,357 INFO L354 Elim1Store]: treesize reduction 58, result has 4.9 percent of original size [2021-07-14 10:56:34,358 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 22 [2021-07-14 10:56:34,359 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,398 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,398 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 1 [2021-07-14 10:56:34,399 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,441 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,441 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-07-14 10:56:34,453 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,494 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,494 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-07-14 10:56:34,495 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,555 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,556 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 1 [2021-07-14 10:56:34,557 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,600 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,601 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 1 [2021-07-14 10:56:34,601 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,639 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,639 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-07-14 10:56:34,640 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,687 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 1 [2021-07-14 10:56:34,688 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,726 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,726 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-07-14 10:56:34,727 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,764 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-07-14 10:56:34,765 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,800 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,800 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 1 [2021-07-14 10:56:34,801 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,838 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 1 [2021-07-14 10:56:34,839 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,876 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,877 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 1 [2021-07-14 10:56:34,877 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:34,895 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-07-14 10:56:34,895 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 1 [2021-07-14 10:56:34,896 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:34,941 INFO L628 ElimStorePlain]: treesize reduction 55, result has 42.1 percent of original size [2021-07-14 10:56:34,942 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 10:56:34,942 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:933, output treesize:40 [2021-07-14 10:56:35,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-07-14 10:56:35,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:35,145 INFO L628 ElimStorePlain]: treesize reduction 42, result has 63.8 percent of original size [2021-07-14 10:56:35,149 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 5 treesize of output 3 [2021-07-14 10:56:35,150 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:35,190 INFO L628 ElimStorePlain]: treesize reduction 19, result has 72.5 percent of original size [2021-07-14 10:56:35,190 INFO L518 ElimStorePlain]: Eliminatee v_prenex_34 vanished before elimination [2021-07-14 10:56:35,192 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:56:35,192 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:121, output treesize:72 [2021-07-14 10:56:35,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:35,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-14 10:56:35,443 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:35,514 INFO L628 ElimStorePlain]: treesize reduction 74, result has 55.4 percent of original size [2021-07-14 10:56:35,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:35,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-14 10:56:35,520 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:35,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:56:35,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-14 10:56:35,525 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:35,541 INFO L628 ElimStorePlain]: treesize reduction 48, result has 22.6 percent of original size [2021-07-14 10:56:35,541 INFO L518 ElimStorePlain]: Eliminatee v_prenex_37 vanished before elimination [2021-07-14 10:56:35,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:56:35,542 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:181, output treesize:14 [2021-07-14 10:56:35,609 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 15 treesize of output 7 [2021-07-14 10:56:35,610 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:35,614 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 7 treesize of output 3 [2021-07-14 10:56:35,615 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:35,617 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 7 treesize of output 3 [2021-07-14 10:56:35,630 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:56:35,648 INFO L628 ElimStorePlain]: treesize reduction 37, result has 27.5 percent of original size [2021-07-14 10:56:35,648 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-07-14 10:56:35,648 INFO L518 ElimStorePlain]: Eliminatee v_prenex_39 vanished before elimination [2021-07-14 10:56:35,648 INFO L518 ElimStorePlain]: Eliminatee v_prenex_38 vanished before elimination [2021-07-14 10:56:35,648 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:56:35,649 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:79, output treesize:14 [2021-07-14 10:56:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 172 proven. 603 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2021-07-14 10:56:36,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478797037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:36,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:36,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 19] total 73 [2021-07-14 10:56:36,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968127525] [2021-07-14 10:56:36,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-14 10:56:36,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:36,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-14 10:56:36,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=821, Invalid=4435, Unknown=0, NotChecked=0, Total=5256 [2021-07-14 10:56:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:36,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:36,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 2.958904109589041) internal successors, (216), 73 states have internal predecessors, (216), 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) [2021-07-14 10:56:36,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:36,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:56:36,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:37,438 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:37,600 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:37,798 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:37,955 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:38,121 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:38,299 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:38,458 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:38,617 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:38,796 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:38,950 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:39,104 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:39,298 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:39,452 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:39,610 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:39,791 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:39,957 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:40,115 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:40,285 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:40,441 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:40,602 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:40,778 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:40,935 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:41,098 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:41,268 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:41,427 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:41,593 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:41,776 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:41,943 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:42,107 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:42,285 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:42,481 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:42,647 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:42,832 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:42,998 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:43,164 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:43,341 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:43,526 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:43,699 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:43,892 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:44,065 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:44,236 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:44,426 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:44,605 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:44,800 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:44,995 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:45,178 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:45,356 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:45,574 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:45,754 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:45,930 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:46,117 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:46,293 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:46,521 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:46,712 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:46,891 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:47,071 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:47,260 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:47,444 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:47,620 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:47,817 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:48,002 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:48,182 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:48,373 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:48,604 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:48,780 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:48,968 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:49,157 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:49,341 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:49,539 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 10:56:49,738 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 10:56:49,908 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:50,102 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:50,292 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-07-14 10:56:50,468 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-07-14 10:56:50,870 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2021-07-14 10:56:51,196 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2021-07-14 10:56:51,529 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2021-07-14 10:56:51,885 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2021-07-14 10:56:52,324 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2021-07-14 10:56:52,643 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-07-14 10:56:52,955 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-07-14 10:56:53,136 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-14 10:56:53,440 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2021-07-14 10:56:53,650 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:56:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:56:53,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-07-14 10:56:53,947 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1609,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:53,947 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:53,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:53,948 INFO L82 PathProgramCache]: Analyzing trace with hash 56902730, now seen corresponding path program 22 times [2021-07-14 10:56:53,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:53,948 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680971140] [2021-07-14 10:56:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1652 backedges. 367 proven. 830 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-07-14 10:56:54,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:54,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680971140] [2021-07-14 10:56:54,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680971140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:54,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773027863] [2021-07-14 10:56:54,479 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:54,589 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:56:54,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:54,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 10:56:54,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1652 backedges. 911 proven. 419 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-07-14 10:56:55,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773027863] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:55,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:55,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 27] total 62 [2021-07-14 10:56:55,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167679414] [2021-07-14 10:56:55,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-14 10:56:55,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:55,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-14 10:56:55,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=649, Invalid=3257, Unknown=0, NotChecked=0, Total=3906 [2021-07-14 10:56:55,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:55,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:55,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 3.4444444444444446) internal successors, (217), 62 states have internal predecessors, (217), 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) [2021-07-14 10:56:55,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:55,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:55,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:55,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:55,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-07-14 10:56:55,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:56,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:56,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:56:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-07-14 10:56:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 10:56:57,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1686 [2021-07-14 10:56:57,104 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:57,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:57,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1984816920, now seen corresponding path program 23 times [2021-07-14 10:56:57,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:57,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705153377] [2021-07-14 10:56:57,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:56:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1693 backedges. 367 proven. 871 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-07-14 10:56:57,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:56:57,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705153377] [2021-07-14 10:56:57,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705153377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:57,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442987112] [2021-07-14 10:56:57,787 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:58,427 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2021-07-14 10:56:58,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:56:58,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 80 conjunts are in the unsatisfiable core [2021-07-14 10:56:58,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:56:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1693 backedges. 365 proven. 873 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-07-14 10:56:58,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442987112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:56:58,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:56:58,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 40] total 41 [2021-07-14 10:56:58,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975911825] [2021-07-14 10:56:58,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 10:56:58,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:56:58,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 10:56:58,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=1266, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 10:56:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:58,811 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:56:58,811 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 3.0476190476190474) internal successors, (128), 41 states have internal predecessors, (128), 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) [2021-07-14 10:56:58,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:58,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:58,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-07-14 10:56:58,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 10:56:58,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:56:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-07-14 10:56:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 10:56:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:56:59,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1687,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:56:59,449 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:56:59,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:56:59,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1277346298, now seen corresponding path program 24 times [2021-07-14 10:56:59,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:56:59,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107187330] [2021-07-14 10:56:59,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:56:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1736 backedges. 367 proven. 914 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-07-14 10:57:00,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:57:00,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107187330] [2021-07-14 10:57:00,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107187330] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:00,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759320418] [2021-07-14 10:57:00,026 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:00,153 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2021-07-14 10:57:00,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:57:00,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 10:57:00,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:57:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,517 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:00,517 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 49 [2021-07-14 10:57:00,542 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,570 INFO L354 Elim1Store]: treesize reduction 34, result has 8.1 percent of original size [2021-07-14 10:57:00,570 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 16 [2021-07-14 10:57:00,572 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:00,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,595 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-07-14 10:57:00,595 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 1 [2021-07-14 10:57:00,596 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:00,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,609 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-07-14 10:57:00,609 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 1 [2021-07-14 10:57:00,610 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:00,629 INFO L628 ElimStorePlain]: treesize reduction 8, result has 72.4 percent of original size [2021-07-14 10:57:00,630 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 10:57:00,630 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:137, output treesize:21 [2021-07-14 10:57:00,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-07-14 10:57:00,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-07-14 10:57:00,824 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:00,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:00,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-07-14 10:57:00,829 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:00,854 INFO L628 ElimStorePlain]: treesize reduction 73, result has 24.0 percent of original size [2021-07-14 10:57:00,854 INFO L518 ElimStorePlain]: Eliminatee v_prenex_42 vanished before elimination [2021-07-14 10:57:00,854 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-07-14 10:57:00,855 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 10:57:00,855 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:163, output treesize:23 [2021-07-14 10:57:00,969 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 11 treesize of output 7 [2021-07-14 10:57:00,970 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:01,032 INFO L628 ElimStorePlain]: treesize reduction 17, result has 81.9 percent of original size [2021-07-14 10:57:01,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-07-14 10:57:01,037 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:01,073 INFO L628 ElimStorePlain]: treesize reduction 32, result has 55.6 percent of original size [2021-07-14 10:57:01,073 INFO L518 ElimStorePlain]: Eliminatee v_prenex_45 vanished before elimination [2021-07-14 10:57:01,073 INFO L518 ElimStorePlain]: Eliminatee v_prenex_44 vanished before elimination [2021-07-14 10:57:01,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:57:01,074 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:101, output treesize:52 [2021-07-14 10:57:01,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:01,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-07-14 10:57:01,287 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:01,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:01,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-07-14 10:57:01,296 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:01,352 INFO L628 ElimStorePlain]: treesize reduction 44, result has 67.6 percent of original size [2021-07-14 10:57:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:01,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-07-14 10:57:01,358 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:01,389 INFO L628 ElimStorePlain]: treesize reduction 20, result has 72.6 percent of original size [2021-07-14 10:57:01,389 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-14 10:57:01,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:01,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-07-14 10:57:01,394 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:01,405 INFO L628 ElimStorePlain]: treesize reduction 20, result has 41.2 percent of original size [2021-07-14 10:57:01,405 INFO L518 ElimStorePlain]: Eliminatee v_prenex_46 vanished before elimination [2021-07-14 10:57:01,405 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-07-14 10:57:01,405 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-07-14 10:57:01,405 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:57:01,405 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:181, output treesize:14 [2021-07-14 10:57:01,463 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 7 treesize of output 3 [2021-07-14 10:57:01,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:01,503 INFO L628 ElimStorePlain]: treesize reduction 15, result has 77.6 percent of original size [2021-07-14 10:57:01,507 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 7 treesize of output 3 [2021-07-14 10:57:01,508 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:01,510 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 7 treesize of output 3 [2021-07-14 10:57:01,512 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:01,524 INFO L628 ElimStorePlain]: treesize reduction 24, result has 33.3 percent of original size [2021-07-14 10:57:01,524 INFO L518 ElimStorePlain]: Eliminatee v_prenex_53 vanished before elimination [2021-07-14 10:57:01,525 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-07-14 10:57:01,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:57:01,525 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:12 [2021-07-14 10:57:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1736 backedges. 219 proven. 639 refuted. 0 times theorem prover too weak. 878 trivial. 0 not checked. [2021-07-14 10:57:01,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759320418] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:01,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:57:01,871 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 21] total 58 [2021-07-14 10:57:01,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529099137] [2021-07-14 10:57:01,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-14 10:57:01,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:57:01,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-14 10:57:01,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2850, Unknown=0, NotChecked=0, Total=3306 [2021-07-14 10:57:01,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:01,872 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:57:01,873 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 3.0517241379310347) internal successors, (177), 58 states have internal predecessors, (177), 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) [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:57:01,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:05,487 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:57:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:57:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-07-14 10:57:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 10:57:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:57:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 10:57:06,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1688 [2021-07-14 10:57:06,598 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:57:06,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:57:06,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1684245912, now seen corresponding path program 25 times [2021-07-14 10:57:06,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:57:06,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148279532] [2021-07-14 10:57:06,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:57:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1877 backedges. 493 proven. 931 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2021-07-14 10:57:07,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:57:07,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148279532] [2021-07-14 10:57:07,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148279532] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:07,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292515375] [2021-07-14 10:57:07,366 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:07,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-14 10:57:07,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:57:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1877 backedges. 845 proven. 831 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-07-14 10:57:08,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292515375] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:08,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:57:08,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 28] total 68 [2021-07-14 10:57:08,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646109433] [2021-07-14 10:57:08,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-14 10:57:08,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:57:08,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-14 10:57:08,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=737, Invalid=3955, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 10:57:08,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:08,544 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:57:08,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 3.5072463768115942) internal successors, (242), 68 states have internal predecessors, (242), 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) [2021-07-14 10:57:08,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:08,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:08,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:08,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:08,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-07-14 10:57:08,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 10:57:08,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:57:08,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 10:57:08,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:12,162 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2021-07-14 10:57:12,635 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-07-14 10:57:12,788 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-14 10:57:13,427 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2021-07-14 10:57:13,649 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 10:57:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 10:57:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:57:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 10:57:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 10:57:14,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1744,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:14,157 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:57:14,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:57:14,157 INFO L82 PathProgramCache]: Analyzing trace with hash -2142981186, now seen corresponding path program 26 times [2021-07-14 10:57:14,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:57:14,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669465049] [2021-07-14 10:57:14,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:57:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 528 proven. 1017 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2021-07-14 10:57:14,560 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:57:14,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669465049] [2021-07-14 10:57:14,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669465049] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:14,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551931874] [2021-07-14 10:57:14,560 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:14,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:57:14,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:57:14,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 10:57:14,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:57:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 977 proven. 568 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2021-07-14 10:57:15,467 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551931874] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:15,467 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:57:15,467 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 52 [2021-07-14 10:57:15,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343818282] [2021-07-14 10:57:15,468 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 10:57:15,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:57:15,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 10:57:15,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=615, Invalid=2141, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 10:57:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:15,469 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:57:15,469 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 4.245283018867925) internal successors, (225), 52 states have internal predecessors, (225), 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) [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:57:15,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:15,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:15,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:15,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 10:57:15,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 10:57:15,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:57:15,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 10:57:15,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 10:57:15,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 10:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 10:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 10:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 10:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-07-14 10:57:18,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1745 [2021-07-14 10:57:18,279 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:57:18,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:57:18,280 INFO L82 PathProgramCache]: Analyzing trace with hash 2065305346, now seen corresponding path program 27 times [2021-07-14 10:57:18,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:57:18,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951221127] [2021-07-14 10:57:18,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:57:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2129 backedges. 529 proven. 1110 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2021-07-14 10:57:19,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:57:19,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951221127] [2021-07-14 10:57:19,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951221127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:19,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403468319] [2021-07-14 10:57:19,277 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:19,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2021-07-14 10:57:19,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:57:19,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 10:57:19,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:57:19,679 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-14 10:57:19,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 28 [2021-07-14 10:57:19,683 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:19,711 INFO L628 ElimStorePlain]: treesize reduction 15, result has 67.4 percent of original size [2021-07-14 10:57:19,716 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 10:57:19,716 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:28 [2021-07-14 10:57:21,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:21,458 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-14 10:57:21,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 28 [2021-07-14 10:57:21,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:21,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:21,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2021-07-14 10:57:21,466 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:21,524 INFO L628 ElimStorePlain]: treesize reduction 15, result has 81.0 percent of original size [2021-07-14 10:57:21,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 10:57:21,530 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:72, output treesize:56 [2021-07-14 10:57:21,680 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:21,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-07-14 10:57:21,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:21,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:57:21,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:57:21,700 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:23 [2021-07-14 10:57:21,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2129 backedges. 554 proven. 135 refuted. 0 times theorem prover too weak. 1440 trivial. 0 not checked. [2021-07-14 10:57:21,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403468319] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:21,904 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:57:21,904 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 13] total 62 [2021-07-14 10:57:21,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391221096] [2021-07-14 10:57:21,905 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-07-14 10:57:21,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:57:21,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-07-14 10:57:21,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=686, Invalid=3096, Unknown=0, NotChecked=0, Total=3782 [2021-07-14 10:57:21,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:21,906 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:57:21,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 2.6451612903225805) internal successors, (164), 62 states have internal predecessors, (164), 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) [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:21,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-07-14 10:57:21,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:33,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:57:33,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:33,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 10:57:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:57:33,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 10:57:33,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 10:57:33,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-07-14 10:57:33,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-07-14 10:57:33,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-07-14 10:57:33,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1746,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:33,624 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:57:33,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:57:33,624 INFO L82 PathProgramCache]: Analyzing trace with hash 655840204, now seen corresponding path program 28 times [2021-07-14 10:57:33,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:57:33,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321703111] [2021-07-14 10:57:33,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:57:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2357 backedges. 790 proven. 1071 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2021-07-14 10:57:34,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:57:34,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321703111] [2021-07-14 10:57:34,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321703111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:34,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847707922] [2021-07-14 10:57:34,787 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:34,865 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:57:34,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:57:34,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 10:57:34,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:57:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2357 backedges. 1109 proven. 726 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2021-07-14 10:57:36,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847707922] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:36,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:57:36,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 30] total 81 [2021-07-14 10:57:36,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884666706] [2021-07-14 10:57:36,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-14 10:57:36,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:57:36,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-14 10:57:36,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1096, Invalid=5546, Unknown=0, NotChecked=0, Total=6642 [2021-07-14 10:57:36,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:36,259 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:57:36,259 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 2.9390243902439024) internal successors, (241), 81 states have internal predecessors, (241), 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) [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-07-14 10:57:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 10:57:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:57:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 10:57:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 10:57:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-07-14 10:57:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 10:57:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-07-14 10:57:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-07-14 10:57:40,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1783 [2021-07-14 10:57:40,600 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:57:40,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:57:40,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1169911146, now seen corresponding path program 29 times [2021-07-14 10:57:40,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:57:40,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623039046] [2021-07-14 10:57:40,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:57:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:41,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2360 backedges. 727 proven. 991 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2021-07-14 10:57:41,035 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:57:41,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623039046] [2021-07-14 10:57:41,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623039046] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:41,036 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165684748] [2021-07-14 10:57:41,036 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:43,096 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 37 check-sat command(s) [2021-07-14 10:57:43,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:57:43,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 55 conjunts are in the unsatisfiable core [2021-07-14 10:57:43,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:57:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2360 backedges. 821 proven. 893 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2021-07-14 10:57:43,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165684748] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:43,424 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:57:43,424 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28] total 30 [2021-07-14 10:57:43,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293278529] [2021-07-14 10:57:43,425 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 10:57:43,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:57:43,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 10:57:43,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=603, Unknown=0, NotChecked=0, Total=930 [2021-07-14 10:57:43,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:43,425 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:57:43,426 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 4.516129032258065) internal successors, (140), 30 states have internal predecessors, (140), 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) [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 10:57:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-07-14 10:57:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:57:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-07-14 10:57:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:57:43,958 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1784,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:43,958 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:57:43,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:57:43,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1550094796, now seen corresponding path program 30 times [2021-07-14 10:57:43,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:57:43,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326664467] [2021-07-14 10:57:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:57:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:57:44,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2413 backedges. 727 proven. 1043 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2021-07-14 10:57:44,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:57:44,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326664467] [2021-07-14 10:57:44,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326664467] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:57:44,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226122711] [2021-07-14 10:57:44,466 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:57:44,540 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-07-14 10:57:44,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:57:44,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 10:57:44,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:57:44,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:44,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:44,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:44,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,055 INFO L354 Elim1Store]: treesize reduction 48, result has 59.3 percent of original size [2021-07-14 10:57:45,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 86 [2021-07-14 10:57:45,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:45,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,172 INFO L354 Elim1Store]: treesize reduction 48, result has 59.3 percent of original size [2021-07-14 10:57:45,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 86 [2021-07-14 10:57:45,191 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,295 INFO L354 Elim1Store]: treesize reduction 48, result has 59.3 percent of original size [2021-07-14 10:57:45,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 86 [2021-07-14 10:57:45,307 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:45,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:45,391 INFO L354 Elim1Store]: treesize reduction 48, result has 59.3 percent of original size [2021-07-14 10:57:45,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 86 [2021-07-14 10:57:45,397 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:45,863 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 80 [2021-07-14 10:57:45,863 INFO L628 ElimStorePlain]: treesize reduction 284, result has 60.3 percent of original size [2021-07-14 10:57:45,889 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-07-14 10:57:45,889 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:181, output treesize:411 [2021-07-14 10:57:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:46,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:46,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:46,943 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-07-14 10:57:46,943 INFO L354 Elim1Store]: treesize reduction 60, result has 59.2 percent of original size [2021-07-14 10:57:46,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 47 treesize of output 106 [2021-07-14 10:57:47,014 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:47,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,166 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-07-14 10:57:47,166 INFO L354 Elim1Store]: treesize reduction 60, result has 59.2 percent of original size [2021-07-14 10:57:47,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 45 treesize of output 106 [2021-07-14 10:57:47,184 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,355 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-07-14 10:57:47,355 INFO L354 Elim1Store]: treesize reduction 60, result has 59.2 percent of original size [2021-07-14 10:57:47,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 45 treesize of output 106 [2021-07-14 10:57:47,376 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,557 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-07-14 10:57:47,557 INFO L354 Elim1Store]: treesize reduction 60, result has 59.2 percent of original size [2021-07-14 10:57:47,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 106 [2021-07-14 10:57:47,565 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,752 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-07-14 10:57:47,753 INFO L354 Elim1Store]: treesize reduction 60, result has 59.2 percent of original size [2021-07-14 10:57:47,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 45 treesize of output 106 [2021-07-14 10:57:47,773 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:47,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,003 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-07-14 10:57:48,003 INFO L354 Elim1Store]: treesize reduction 60, result has 59.2 percent of original size [2021-07-14 10:57:48,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 41 treesize of output 106 [2021-07-14 10:57:48,013 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:48,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,272 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-07-14 10:57:48,272 INFO L354 Elim1Store]: treesize reduction 60, result has 59.2 percent of original size [2021-07-14 10:57:48,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 106 [2021-07-14 10:57:48,292 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:48,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:48,543 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2021-07-14 10:57:48,543 INFO L354 Elim1Store]: treesize reduction 60, result has 59.2 percent of original size [2021-07-14 10:57:48,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 47 treesize of output 106 [2021-07-14 10:57:48,560 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:52,384 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 470 DAG size of output: 374 [2021-07-14 10:57:52,385 INFO L628 ElimStorePlain]: treesize reduction 924, result has 62.0 percent of original size [2021-07-14 10:57:52,531 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 8 xjuncts. [2021-07-14 10:57:52,531 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 10 variables, input treesize:455, output treesize:1306 [2021-07-14 10:57:53,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,239 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-07-14 10:57:53,239 INFO L354 Elim1Store]: treesize reduction 68, result has 60.2 percent of original size [2021-07-14 10:57:53,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 124 [2021-07-14 10:57:53,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,420 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-07-14 10:57:53,420 INFO L354 Elim1Store]: treesize reduction 68, result has 60.2 percent of original size [2021-07-14 10:57:53,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 124 [2021-07-14 10:57:53,431 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:53,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,623 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-07-14 10:57:53,624 INFO L354 Elim1Store]: treesize reduction 68, result has 60.2 percent of original size [2021-07-14 10:57:53,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 45 treesize of output 124 [2021-07-14 10:57:53,635 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:53,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,865 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-07-14 10:57:53,865 INFO L354 Elim1Store]: treesize reduction 68, result has 60.2 percent of original size [2021-07-14 10:57:53,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 51 treesize of output 124 [2021-07-14 10:57:53,930 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:53,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,200 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-07-14 10:57:54,201 INFO L354 Elim1Store]: treesize reduction 68, result has 60.2 percent of original size [2021-07-14 10:57:54,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 41 treesize of output 124 [2021-07-14 10:57:54,208 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:57:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,510 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-07-14 10:57:54,511 INFO L354 Elim1Store]: treesize reduction 68, result has 60.2 percent of original size [2021-07-14 10:57:54,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 47 treesize of output 124 [2021-07-14 10:57:54,525 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:54,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,843 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-07-14 10:57:54,843 INFO L354 Elim1Store]: treesize reduction 68, result has 60.2 percent of original size [2021-07-14 10:57:54,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 51 treesize of output 124 [2021-07-14 10:57:54,860 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:54,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:54,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:57:55,141 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-07-14 10:57:55,141 INFO L354 Elim1Store]: treesize reduction 68, result has 60.2 percent of original size [2021-07-14 10:57:55,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 124 [2021-07-14 10:57:55,155 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-14 10:57:58,730 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 451 DAG size of output: 367 [2021-07-14 10:57:58,731 INFO L628 ElimStorePlain]: treesize reduction 676, result has 68.0 percent of original size [2021-07-14 10:57:58,890 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 8 xjuncts. [2021-07-14 10:57:58,891 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:447, output treesize:1381 [2021-07-14 10:57:59,830 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2021-07-14 10:58:04,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,413 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:04,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 64 [2021-07-14 10:58:04,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 10:58:04,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,516 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:04,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 64 [2021-07-14 10:58:04,531 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 10:58:04,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,637 INFO L354 Elim1Store]: treesize reduction 25, result has 46.8 percent of original size [2021-07-14 10:58:04,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 39 [2021-07-14 10:58:04,642 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:04,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,732 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:04,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 66 [2021-07-14 10:58:04,747 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 10:58:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,826 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:04,827 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 4 case distinctions, treesize of input 44 treesize of output 62 [2021-07-14 10:58:04,870 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 3 xjuncts. [2021-07-14 10:58:04,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,946 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:04,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 1 [2021-07-14 10:58:04,947 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:04,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,014 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:05,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 1 [2021-07-14 10:58:05,015 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:05,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,119 INFO L354 Elim1Store]: treesize reduction 8, result has 83.7 percent of original size [2021-07-14 10:58:05,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 60 [2021-07-14 10:58:05,129 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:05,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,224 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:05,224 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 4 case distinctions, treesize of input 38 treesize of output 62 [2021-07-14 10:58:05,247 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 3 xjuncts. [2021-07-14 10:58:05,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,361 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:05,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 1 [2021-07-14 10:58:05,363 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:05,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,468 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-14 10:58:05,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 1 [2021-07-14 10:58:05,469 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,576 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:05,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 1 [2021-07-14 10:58:05,577 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,680 INFO L354 Elim1Store]: treesize reduction 23, result has 51.1 percent of original size [2021-07-14 10:58:05,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 41 [2021-07-14 10:58:05,685 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:05,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,784 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:05,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 64 [2021-07-14 10:58:05,806 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 3 xjuncts. [2021-07-14 10:58:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,877 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-14 10:58:05,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 56 treesize of output 1 [2021-07-14 10:58:05,878 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:05,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,963 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:05,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 1 [2021-07-14 10:58:05,964 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:05,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:05,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,039 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:06,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 1 [2021-07-14 10:58:06,040 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,124 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:06,124 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 4 case distinctions, treesize of input 42 treesize of output 62 [2021-07-14 10:58:06,142 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2021-07-14 10:58:06,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,219 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:06,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 1 [2021-07-14 10:58:06,220 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,294 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:06,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 1 [2021-07-14 10:58:06,295 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,406 INFO L354 Elim1Store]: treesize reduction 8, result has 83.0 percent of original size [2021-07-14 10:58:06,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 58 [2021-07-14 10:58:06,414 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,560 INFO L354 Elim1Store]: treesize reduction 44, result has 6.4 percent of original size [2021-07-14 10:58:06,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 25 [2021-07-14 10:58:06,562 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,626 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:06,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 1 [2021-07-14 10:58:06,627 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,711 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:06,711 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 4 case distinctions, treesize of input 34 treesize of output 62 [2021-07-14 10:58:06,728 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 3 xjuncts. [2021-07-14 10:58:06,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,788 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-14 10:58:06,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 54 treesize of output 1 [2021-07-14 10:58:06,789 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,852 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:06,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 1 [2021-07-14 10:58:06,853 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,911 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-14 10:58:06,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 1 [2021-07-14 10:58:06,912 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,969 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:06,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 1 [2021-07-14 10:58:06,970 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:06,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,051 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:07,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 62 [2021-07-14 10:58:07,072 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 3 xjuncts. [2021-07-14 10:58:07,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,133 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:07,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 1 [2021-07-14 10:58:07,134 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:07,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,201 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-14 10:58:07,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 1 [2021-07-14 10:58:07,202 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:07,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,261 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:07,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 1 [2021-07-14 10:58:07,262 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:07,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,324 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:07,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 1 [2021-07-14 10:58:07,325 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:07,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,403 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:07,403 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 4 case distinctions, treesize of input 42 treesize of output 62 [2021-07-14 10:58:07,423 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 3 xjuncts. [2021-07-14 10:58:07,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,504 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:07,504 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 4 case distinctions, treesize of input 44 treesize of output 62 [2021-07-14 10:58:07,533 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2021-07-14 10:58:07,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,592 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:07,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 1 [2021-07-14 10:58:07,593 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:07,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,652 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-07-14 10:58:07,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 1 [2021-07-14 10:58:07,653 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:07,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,707 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:07,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 1 [2021-07-14 10:58:07,708 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:07,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,775 INFO L354 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2021-07-14 10:58:07,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 1 [2021-07-14 10:58:07,776 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:58:07,839 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:58:07,840 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 4 case distinctions, treesize of input 42 treesize of output 62 [2021-07-14 10:58:07,856 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 3 xjuncts. [2021-07-14 10:58:09,461 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 236 [2021-07-14 10:58:09,462 INFO L628 ElimStorePlain]: treesize reduction 298, result has 70.8 percent of original size [2021-07-14 10:58:09,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: and 64 xjuncts. [2021-07-14 10:58:09,663 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 9 variables, input treesize:2295, output treesize:3606 [2021-07-14 10:58:10,079 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 15 [2021-07-14 10:58:10,157 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 15 treesize of output 7 [2021-07-14 10:58:10,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:10,248 INFO L628 ElimStorePlain]: treesize reduction 11, result has 89.1 percent of original size [2021-07-14 10:58:10,253 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 15 treesize of output 7 [2021-07-14 10:58:10,254 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:10,313 INFO L628 ElimStorePlain]: treesize reduction 15, result has 81.0 percent of original size [2021-07-14 10:58:10,314 INFO L518 ElimStorePlain]: Eliminatee A vanished before elimination [2021-07-14 10:58:10,317 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 7 treesize of output 3 [2021-07-14 10:58:10,318 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:10,351 INFO L628 ElimStorePlain]: treesize reduction 13, result has 76.8 percent of original size [2021-07-14 10:58:10,351 INFO L518 ElimStorePlain]: Eliminatee v_prenex_69 vanished before elimination [2021-07-14 10:58:10,353 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 7 treesize of output 3 [2021-07-14 10:58:10,355 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:58:10,372 INFO L628 ElimStorePlain]: treesize reduction 13, result has 62.9 percent of original size [2021-07-14 10:58:10,372 INFO L518 ElimStorePlain]: Eliminatee v_prenex_67 vanished before elimination [2021-07-14 10:58:10,372 INFO L518 ElimStorePlain]: Eliminatee v_prenex_66 vanished before elimination [2021-07-14 10:58:10,373 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 10:58:10,373 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:113, output treesize:22 [2021-07-14 10:58:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2413 backedges. 733 proven. 60 refuted. 0 times theorem prover too weak. 1620 trivial. 0 not checked. [2021-07-14 10:58:10,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226122711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:58:10,817 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:58:10,817 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 19] total 48 [2021-07-14 10:58:10,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827833204] [2021-07-14 10:58:10,818 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-14 10:58:10,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:58:10,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-14 10:58:10,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=1877, Unknown=0, NotChecked=0, Total=2256 [2021-07-14 10:58:10,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:58:10,818 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:58:10,818 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 3.875) internal successors, (186), 48 states have internal predecessors, (186), 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) [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-07-14 10:58:10,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:58:10,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:58:14,380 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:58:18,169 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:58:20,823 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 203 DAG size of output: 202 [2021-07-14 10:58:23,380 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:58:26,939 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:58:31,884 WARN L205 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 203 DAG size of output: 202 [2021-07-14 10:58:32,353 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:58:37,968 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:58:39,527 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:58:40,100 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:58:43,085 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:58:44,493 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:58:45,066 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:58:45,894 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:58:47,382 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:58:48,025 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:58:52,104 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:58:54,116 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:58:54,715 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:58:55,374 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:58:56,775 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:58:57,551 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:58:59,834 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:59:01,245 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:59:01,985 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:59:04,111 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:59:06,429 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:59:07,142 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:59:13,574 WARN L205 SmtUtils]: Spent 6.10 s on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:59:17,639 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:59:18,444 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:59:19,195 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:59:20,935 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:59:21,811 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:59:27,889 WARN L205 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:59:29,553 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:59:30,373 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:59:34,087 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 10:59:35,688 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 10:59:36,674 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 10:59:39,226 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 10:59:39,427 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1785 [2021-07-14 10:59:39,427 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 52 more [2021-07-14 10:59:39,433 INFO L168 Benchmark]: Toolchain (without parser) took 290424.09 ms. Allocated memory was 196.1 MB in the beginning and 931.1 MB in the end (delta: 735.1 MB). Free memory was 175.6 MB in the beginning and 484.4 MB in the end (delta: -308.7 MB). Peak memory consumption was 427.5 MB. Max. memory is 8.0 GB. [2021-07-14 10:59:39,433 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 196.1 MB. Free memory is still 176.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 10:59:39,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.86 ms. Allocated memory is still 196.1 MB. Free memory was 175.6 MB in the beginning and 174.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 10:59:39,434 INFO L168 Benchmark]: Boogie Preprocessor took 15.51 ms. Allocated memory is still 196.1 MB. Free memory was 174.2 MB in the beginning and 173.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 10:59:39,434 INFO L168 Benchmark]: RCFGBuilder took 356.93 ms. Allocated memory is still 196.1 MB. Free memory was 173.1 MB in the beginning and 159.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 10:59:39,434 INFO L168 Benchmark]: TraceAbstraction took 290019.00 ms. Allocated memory was 196.1 MB in the beginning and 931.1 MB in the end (delta: 735.1 MB). Free memory was 158.8 MB in the beginning and 484.4 MB in the end (delta: -325.5 MB). Peak memory consumption was 410.8 MB. Max. memory is 8.0 GB. [2021-07-14 10:59:39,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 196.1 MB. Free memory is still 176.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.86 ms. Allocated memory is still 196.1 MB. Free memory was 175.6 MB in the beginning and 174.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.51 ms. Allocated memory is still 196.1 MB. Free memory was 174.2 MB in the beginning and 173.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 356.93 ms. Allocated memory is still 196.1 MB. Free memory was 173.1 MB in the beginning and 159.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 290019.00 ms. Allocated memory was 196.1 MB in the beginning and 931.1 MB in the end (delta: 735.1 MB). Free memory was 158.8 MB in the beginning and 484.4 MB in the end (delta: -325.5 MB). Peak memory consumption was 410.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...