/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/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 10:28:22,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 10:28:22,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 10:28:22,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 10:28:22,096 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 10:28:22,129 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 10:28:22,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 10:28:22,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 10:28:22,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 10:28:22,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 10:28:22,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 10:28:22,132 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 10:28:22,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 10:28:22,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 10:28:22,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 10:28:22,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 10:28:22,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 10:28:22,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 10:28:22,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 10:28:22,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 10:28:22,134 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 10:28:22,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 10:28:22,134 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 10:28:22,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 10:28:22,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 10:28:22,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 10:28:22,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 10:28:22,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 10:28:22,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 10:28:22,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 10:28:22,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 10:28:22,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 10:28:22,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 10:28:22,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 10:28:22,144 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 10:28:22,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 10:28:22,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 10:28:22,145 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 10:28:22,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 10:28:22,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 10:28:22,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 10:28:22,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 10:28:22,405 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 10:28:22,406 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 10:28:22,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-07-14 10:28:22,407 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-07-14 10:28:22,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 10:28:22,437 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 10:28:22,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 10:28:22,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 10:28:22,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 10:28:22,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (1/1) ... [2021-07-14 10:28:22,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (1/1) ... [2021-07-14 10:28:22,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 10:28:22,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 10:28:22,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 10:28:22,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 10:28:22,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (1/1) ... [2021-07-14 10:28:22,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (1/1) ... [2021-07-14 10:28:22,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (1/1) ... [2021-07-14 10:28:22,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (1/1) ... [2021-07-14 10:28:22,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (1/1) ... [2021-07-14 10:28:22,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (1/1) ... [2021-07-14 10:28:22,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (1/1) ... [2021-07-14 10:28:22,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 10:28:22,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 10:28:22,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 10:28:22,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 10:28:22,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (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 10:28:22,519 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 10:28:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 10:28:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 10:28:22,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 10:28:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 10:28:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 10:28:22,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 10:28:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 10:28:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 10:28:22,521 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 10:28:22,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 10:28:22,724 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 10:28:22,725 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 10:28:22,725 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 10:28:22,726 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:28:22 BoogieIcfgContainer [2021-07-14 10:28:22,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 10:28:22,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 10:28:22,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 10:28:22,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 10:28:22,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:28:22" (1/2) ... [2021-07-14 10:28:22,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bca2307 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:28:22, skipping insertion in model container [2021-07-14 10:28:22,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:28:22" (2/2) ... [2021-07-14 10:28:22,731 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-07-14 10:28:22,735 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 10:28:22,735 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 10:28:22,735 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 10:28:22,736 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 10:28:22,754 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 10:28:22,770 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 10:28:22,837 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 10:28:22,837 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 10:28:22,838 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 10:28:22,838 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 10:28:22,839 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 10:28:22,839 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 10:28:22,839 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 10:28:22,839 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 10:28:22,893 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:22,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:22,897 INFO L82 PathProgramCache]: Analyzing trace with hash -381977242, now seen corresponding path program 1 times [2021-07-14 10:28:22,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:22,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108698194] [2021-07-14 10:28:22,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:23,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:23,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108698194] [2021-07-14 10:28:23,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108698194] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:28:23,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:28:23,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 10:28:23,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947789335] [2021-07-14 10:28:23,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 10:28:23,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:23,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 10:28:23,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 10:28:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:23,154 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:23,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10:28:23,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:23,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:23,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 10:28:23,189 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:23,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:23,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1042522380, now seen corresponding path program 1 times [2021-07-14 10:28:23,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:23,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557706349] [2021-07-14 10:28:23,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:23,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:23,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:23,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557706349] [2021-07-14 10:28:23,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557706349] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 10:28:23,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 10:28:23,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 10:28:23,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589523078] [2021-07-14 10:28:23,262 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 10:28:23,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:23,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 10:28:23,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 10:28:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:23,266 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:23,267 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 10:28:23,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:23,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:23,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:23,355 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 10:28:23,355 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:23,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:23,356 INFO L82 PathProgramCache]: Analyzing trace with hash -707752582, now seen corresponding path program 1 times [2021-07-14 10:28:23,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:23,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814176138] [2021-07-14 10:28:23,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:23,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:23,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814176138] [2021-07-14 10:28:23,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814176138] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:23,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527627042] [2021-07-14 10:28:23,408 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 10:28:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:23,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 10:28:23,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:23,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:23,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527627042] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:23,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:23,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 10:28:23,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852684513] [2021-07-14 10:28:23,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 10:28:23,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:23,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 10:28:23,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 10:28:23,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:23,544 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:23,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 10:28:23,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:23,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:23,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:23,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:23,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:23,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:28:23,797 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:23,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:23,798 INFO L82 PathProgramCache]: Analyzing trace with hash -466578568, now seen corresponding path program 1 times [2021-07-14 10:28:23,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:23,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303360309] [2021-07-14 10:28:23,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:24,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:24,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303360309] [2021-07-14 10:28:24,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303360309] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:24,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118491030] [2021-07-14 10:28:24,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:28:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:24,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 10:28:24,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:24,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:24,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:24,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 10:28:24,650 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:24,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:24,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:28:24,657 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:24,702 INFO L628 ElimStorePlain]: treesize reduction 62, result has 44.1 percent of original size [2021-07-14 10:28:24,702 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:24,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:24,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 10:28:24,708 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:24,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:28:24,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:24,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-07-14 10:28:24,730 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:24,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:28:24,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 10:28:24,751 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:125, output treesize:22 [2021-07-14 10:28:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:24,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118491030] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:24,774 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:24,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2021-07-14 10:28:24,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197469607] [2021-07-14 10:28:24,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 10:28:24,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:24,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 10:28:24,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-14 10:28:24,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:24,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:24,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:28:24,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:24,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:24,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:24,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:25,141 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2021-07-14 10:28:25,269 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2021-07-14 10:28:25,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:25,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:25,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:25,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:25,495 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:28:25,495 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:25,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:25,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1580118726, now seen corresponding path program 2 times [2021-07-14 10:28:25,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:25,496 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014148410] [2021-07-14 10:28:25,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:25,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:25,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:25,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014148410] [2021-07-14 10:28:25,568 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014148410] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:25,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597193924] [2021-07-14 10:28:25,568 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 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 10:28:25,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:28:25,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:25,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 10:28:25,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:25,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:25,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:28:25,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:25,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:28:25,691 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:25,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:25,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:25,695 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:25,697 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:28:25,698 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:25,700 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 5 [2021-07-14 10:28:25,701 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:25,703 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 5 [2021-07-14 10:28:25,704 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:25,724 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 10:28:25,725 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:25,726 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:28:25,726 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:28:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:25,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597193924] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:25,770 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:25,770 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-14 10:28:25,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273230373] [2021-07-14 10:28:25,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 10:28:25,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:25,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 10:28:25,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 10:28:25,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:25,771 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:25,772 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:28:25,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:25,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:25,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:25,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:25,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:26,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:28:26,273 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:26,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:26,273 INFO L82 PathProgramCache]: Analyzing trace with hash -4067700, now seen corresponding path program 3 times [2021-07-14 10:28:26,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:26,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25821312] [2021-07-14 10:28:26,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:26,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:26,337 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:26,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25821312] [2021-07-14 10:28:26,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25821312] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:26,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985866357] [2021-07-14 10:28:26,338 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 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 10:28:26,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 10:28:26,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:26,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 10:28:26,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:26,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:26,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:28:26,450 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:26,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:26,456 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:26,470 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:28:26,470 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:26,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:28:26,471 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:28:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:26,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985866357] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:26,489 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:26,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-07-14 10:28:26,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150523284] [2021-07-14 10:28:26,489 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 10:28:26,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:26,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 10:28:26,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 10:28:26,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:26,490 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:26,490 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:28:26,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:26,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:26,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:26,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:26,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:26,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:26,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:26,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:26,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:26,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:26,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:26,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:26,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 10:28:26,762 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:26,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:26,762 INFO L82 PathProgramCache]: Analyzing trace with hash -127183706, now seen corresponding path program 4 times [2021-07-14 10:28:26,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:26,762 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591236919] [2021-07-14 10:28:26,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:27,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:27,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:27,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591236919] [2021-07-14 10:28:27,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591236919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:27,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293581294] [2021-07-14 10:28:27,399 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 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 10:28:27,428 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:28:27,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:27,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 10:28:27,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:27,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:27,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:27,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:27,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:27,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-14 10:28:27,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:27,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:27,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:27,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:27,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-14 10:28:27,878 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:27,890 INFO L628 ElimStorePlain]: treesize reduction 94, result has 10.5 percent of original size [2021-07-14 10:28:27,890 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:27,890 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-07-14 10:28:27,890 INFO L518 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2021-07-14 10:28:27,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:28:27,891 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-07-14 10:28:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:27,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293581294] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:27,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:27,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-07-14 10:28:27,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419880495] [2021-07-14 10:28:27,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 10:28:27,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:27,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 10:28:27,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-14 10:28:27,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:27,919 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:27,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 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 10:28:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:28,410 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-07-14 10:28:28,842 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2021-07-14 10:28:29,173 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 87 [2021-07-14 10:28:29,450 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-07-14 10:28:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:29,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:29,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:28:29,673 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:29,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:29,673 INFO L82 PathProgramCache]: Analyzing trace with hash 351187404, now seen corresponding path program 5 times [2021-07-14 10:28:29,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:29,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581229249] [2021-07-14 10:28:29,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:29,765 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 10:28:29,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:29,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581229249] [2021-07-14 10:28:29,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581229249] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:29,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120867319] [2021-07-14 10:28:29,765 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 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 10:28:29,799 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 10:28:29,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:29,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 10:28:29,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:29,926 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 8 treesize of output 6 [2021-07-14 10:28:29,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:29,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:29,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:28:29,931 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:29,934 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 5 [2021-07-14 10:28:29,934 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:29,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:29,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:29,938 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:29,940 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 5 [2021-07-14 10:28:29,941 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:29,943 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:28:29,944 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:29,966 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 10:28:29,966 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:29,967 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:28:29,967 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:28:29,993 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 10:28:29,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120867319] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:29,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:29,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-14 10:28:29,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464453467] [2021-07-14 10:28:29,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 10:28:29,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:29,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 10:28:29,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-14 10:28:29,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:29,994 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:29,994 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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 10:28:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:29,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:30,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-14 10:28:30,448 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:30,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:30,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1964128954, now seen corresponding path program 6 times [2021-07-14 10:28:30,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:30,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000100474] [2021-07-14 10:28:30,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:30,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:30,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000100474] [2021-07-14 10:28:30,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000100474] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:30,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276224354] [2021-07-14 10:28:30,523 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 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 10:28:30,564 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 10:28:30,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:30,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 10:28:30,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:30,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:30,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:28:30,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:30,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:30,657 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:30,671 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:28:30,671 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:30,671 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:28:30,672 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:28:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:30,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276224354] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:30,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:30,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-07-14 10:28:30,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480597168] [2021-07-14 10:28:30,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 10:28:30,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:30,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 10:28:30,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-07-14 10:28:30,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:30,695 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:30,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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 10:28:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:30,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:31,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-07-14 10:28:31,041 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:31,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:31,041 INFO L82 PathProgramCache]: Analyzing trace with hash 757370424, now seen corresponding path program 7 times [2021-07-14 10:28:31,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:31,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164935377] [2021-07-14 10:28:31,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:31,548 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2021-07-14 10:28:31,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:31,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:31,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164935377] [2021-07-14 10:28:31,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164935377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:31,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494008474] [2021-07-14 10:28:31,674 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 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 10:28:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:31,727 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 10:28:31,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:32,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:32,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:32,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:32,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:32,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:32,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:32,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:32,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-07-14 10:28:32,349 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:32,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:32,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:32,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:32,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:32,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:32,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:32,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-07-14 10:28:32,358 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:32,370 INFO L628 ElimStorePlain]: treesize reduction 99, result has 10.0 percent of original size [2021-07-14 10:28:32,370 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-07-14 10:28:32,370 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:32,371 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-07-14 10:28:32,371 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:28:32,371 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-07-14 10:28:32,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:32,405 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494008474] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:32,406 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:32,406 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-14 10:28:32,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69268654] [2021-07-14 10:28:32,406 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 10:28:32,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:32,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 10:28:32,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-07-14 10:28:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:32,407 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:32,407 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 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 10:28:32,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:32,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:32,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:32,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:32,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:32,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:32,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:32,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:32,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:32,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:33,148 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-14 10:28:33,370 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-07-14 10:28:33,586 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 81 [2021-07-14 10:28:33,966 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 98 [2021-07-14 10:28:34,137 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-07-14 10:28:34,483 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 95 [2021-07-14 10:28:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:34,859 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:28:34,859 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:34,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:34,860 INFO L82 PathProgramCache]: Analyzing trace with hash 2002561658, now seen corresponding path program 8 times [2021-07-14 10:28:34,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:34,860 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194234895] [2021-07-14 10:28:34,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:34,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:34,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194234895] [2021-07-14 10:28:34,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194234895] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:34,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766551747] [2021-07-14 10:28:34,949 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 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 10:28:34,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:28:34,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:34,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 10:28:34,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:35,097 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 5 [2021-07-14 10:28:35,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:35,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:35,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:28:35,103 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:35,105 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 5 [2021-07-14 10:28:35,106 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:35,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:28:35,108 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:35,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:35,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:35,112 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:35,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:28:35,114 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:35,144 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 10:28:35,145 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:35,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:28:35,145 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:28:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:35,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766551747] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:35,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:35,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-14 10:28:35,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609232572] [2021-07-14 10:28:35,175 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 10:28:35,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:35,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 10:28:35,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 10:28:35,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:35,175 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:35,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:35,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:35,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-07-14 10:28:35,728 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:35,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:35,728 INFO L82 PathProgramCache]: Analyzing trace with hash 464142156, now seen corresponding path program 9 times [2021-07-14 10:28:35,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:35,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907994042] [2021-07-14 10:28:35,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:35,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:35,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907994042] [2021-07-14 10:28:35,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907994042] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:35,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598171061] [2021-07-14 10:28:35,818 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 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 10:28:35,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 10:28:35,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:35,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 10:28:35,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:35,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:35,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:28:35,965 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:35,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:35,968 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:35,982 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:28:35,982 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:35,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:28:35,982 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:28:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:36,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598171061] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:36,001 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:36,001 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-07-14 10:28:36,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496631698] [2021-07-14 10:28:36,002 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 10:28:36,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:36,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 10:28:36,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-07-14 10:28:36,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:36,002 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:36,003 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:36,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:36,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:36,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-07-14 10:28:36,417 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:36,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:36,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1502419942, now seen corresponding path program 10 times [2021-07-14 10:28:36,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:36,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582336041] [2021-07-14 10:28:36,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:37,168 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:37,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:37,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582336041] [2021-07-14 10:28:37,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582336041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:37,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471267034] [2021-07-14 10:28:37,168 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 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 10:28:37,207 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:28:37,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:37,208 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-14 10:28:37,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:38,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:38,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:38,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-14 10:28:38,387 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:38,401 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-14 10:28:38,404 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:38,468 INFO L628 ElimStorePlain]: treesize reduction 91, result has 47.4 percent of original size [2021-07-14 10:28:38,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:38,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:38,482 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-07-14 10:28:38,485 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:38,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:28:38,516 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:38,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:38,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-14 10:28:38,522 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 10:28:38,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:28:38,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 10:28:38,536 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:257, output treesize:22 [2021-07-14 10:28:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:38,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471267034] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:38,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:38,588 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-14 10:28:38,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726355921] [2021-07-14 10:28:38,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 10:28:38,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:38,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 10:28:38,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2021-07-14 10:28:38,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:38,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:38,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 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 10:28:38,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:38,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:39,587 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2021-07-14 10:28:39,875 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-07-14 10:28:40,192 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 113 [2021-07-14 10:28:40,527 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 112 [2021-07-14 10:28:40,911 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 118 [2021-07-14 10:28:41,130 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:41,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:28:41,425 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:41,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:41,425 INFO L82 PathProgramCache]: Analyzing trace with hash -670707060, now seen corresponding path program 11 times [2021-07-14 10:28:41,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:41,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912587079] [2021-07-14 10:28:41,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:41,573 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:41,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912587079] [2021-07-14 10:28:41,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912587079] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:41,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047681129] [2021-07-14 10:28:41,574 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 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 10:28:41,610 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 10:28:41,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:41,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 10:28:41,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:41,784 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 8 treesize of output 6 [2021-07-14 10:28:41,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:41,788 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 5 [2021-07-14 10:28:41,789 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:41,791 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 5 [2021-07-14 10:28:41,792 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:41,794 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 8 treesize of output 6 [2021-07-14 10:28:41,795 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:41,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:41,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:41,798 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:41,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:28:41,802 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:41,827 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 10:28:41,827 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:41,828 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:28:41,828 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:28:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:41,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047681129] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:41,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:41,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-14 10:28:41,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705834873] [2021-07-14 10:28:41,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 10:28:41,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:41,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 10:28:41,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 10:28:41,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:41,863 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:41,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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 10:28:41,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:41,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:41,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:41,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:41,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:41,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:41,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:41,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:41,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:41,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:41,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:41,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:41,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:41,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:42,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:42,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:42,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable83 [2021-07-14 10:28:42,609 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:42,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:42,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1117071366, now seen corresponding path program 12 times [2021-07-14 10:28:42,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:42,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054944016] [2021-07-14 10:28:42,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:42,756 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:42,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054944016] [2021-07-14 10:28:42,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054944016] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:42,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658831856] [2021-07-14 10:28:42,757 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 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 10:28:42,794 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 10:28:42,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:42,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 10:28:42,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:42,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:42,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:28:42,967 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:42,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:42,970 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:42,986 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:28:42,986 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:42,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:28:42,987 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:28:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:43,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658831856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:43,011 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:43,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-14 10:28:43,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332195260] [2021-07-14 10:28:43,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 10:28:43,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:43,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 10:28:43,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-07-14 10:28:43,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:43,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:43,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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 10:28:43,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:43,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:43,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:43,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:43,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:43,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:43,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:43,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:43,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:43,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:28:43,509 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:43,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:43,509 INFO L82 PathProgramCache]: Analyzing trace with hash -270558984, now seen corresponding path program 13 times [2021-07-14 10:28:43,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:43,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930434123] [2021-07-14 10:28:43,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:44,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:44,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930434123] [2021-07-14 10:28:44,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930434123] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:44,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401081927] [2021-07-14 10:28:44,069 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 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 10:28:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:44,112 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-07-14 10:28:44,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:45,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:45,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:45,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:45,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-14 10:28:45,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:45,532 INFO L628 ElimStorePlain]: treesize reduction 177, result has 5.9 percent of original size [2021-07-14 10:28:45,532 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:45,533 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-07-14 10:28:45,533 INFO L518 ElimStorePlain]: Eliminatee v_prenex_40 vanished before elimination [2021-07-14 10:28:45,533 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:28:45,533 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-07-14 10:28:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:45,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401081927] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:45,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:45,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-07-14 10:28:45,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896287043] [2021-07-14 10:28:45,566 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 10:28:45,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:45,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 10:28:45,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-07-14 10:28:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:45,567 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:45,567 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:45,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:45,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:45,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:45,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:45,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:45,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:47,446 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2021-07-14 10:28:47,613 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-07-14 10:28:47,795 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-07-14 10:28:47,984 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-07-14 10:28:48,171 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:48,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:28:48,545 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:48,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:48,546 INFO L82 PathProgramCache]: Analyzing trace with hash 201521082, now seen corresponding path program 14 times [2021-07-14 10:28:48,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:48,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251979647] [2021-07-14 10:28:48,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:48,698 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:48,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251979647] [2021-07-14 10:28:48,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251979647] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:48,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172635035] [2021-07-14 10:28:48,698 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 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 10:28:48,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:28:48,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:48,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 10:28:48,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:48,930 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 8 treesize of output 6 [2021-07-14 10:28:48,932 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:48,934 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 8 treesize of output 6 [2021-07-14 10:28:48,935 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:48,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:48,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:28:48,939 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:48,941 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 5 [2021-07-14 10:28:48,942 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:48,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:48,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:48,945 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:48,947 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 5 [2021-07-14 10:28:48,948 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:48,973 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 10:28:48,973 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:48,974 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:28:48,974 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:28:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:49,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172635035] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:49,006 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:49,006 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-14 10:28:49,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370217477] [2021-07-14 10:28:49,006 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 10:28:49,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:49,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 10:28:49,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 10:28:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:49,007 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:49,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 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 10:28:49,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:49,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:49,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:49,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:49,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:49,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:49,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:49,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:49,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:49,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:49,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:49,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:49,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:49,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:49,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:49,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:49,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:49,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:28:49,867 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-07-14 10:28:49,867 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:49,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:49,867 INFO L82 PathProgramCache]: Analyzing trace with hash -750870516, now seen corresponding path program 15 times [2021-07-14 10:28:49,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:49,867 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190832097] [2021-07-14 10:28:49,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:50,038 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:50,038 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:50,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190832097] [2021-07-14 10:28:50,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190832097] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:50,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790421124] [2021-07-14 10:28:50,039 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 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 10:28:50,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 10:28:50,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:50,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 10:28:50,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:50,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:50,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:28:50,242 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:50,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:50,244 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:50,258 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:28:50,258 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:50,261 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:28:50,261 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:28:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:50,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790421124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:50,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:50,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-07-14 10:28:50,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069313173] [2021-07-14 10:28:50,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 10:28:50,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:50,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 10:28:50,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 10:28:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:50,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:50,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 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 10:28:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:50,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:28:50,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:28:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:50,806 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:28:50,806 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:50,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:50,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1803234522, now seen corresponding path program 16 times [2021-07-14 10:28:50,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:50,807 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045574661] [2021-07-14 10:28:50,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:51,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:51,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045574661] [2021-07-14 10:28:51,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045574661] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:51,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542611142] [2021-07-14 10:28:51,231 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 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 10:28:51,267 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:28:51,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:51,269 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-14 10:28:51,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:52,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:52,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-14 10:28:52,896 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:52,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:52,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:28:52,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-14 10:28:52,913 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:52,926 INFO L628 ElimStorePlain]: treesize reduction 132, result has 7.7 percent of original size [2021-07-14 10:28:52,926 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:52,926 INFO L518 ElimStorePlain]: Eliminatee v_prenex_52 vanished before elimination [2021-07-14 10:28:52,926 INFO L518 ElimStorePlain]: Eliminatee v_prenex_51 vanished before elimination [2021-07-14 10:28:52,926 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:28:52,926 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-07-14 10:28:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:52,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542611142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:52,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:52,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-07-14 10:28:52,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911151798] [2021-07-14 10:28:52,963 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 10:28:52,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:52,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 10:28:52,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-07-14 10:28:52,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:52,964 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:52,964 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:52,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:55,066 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 60 [2021-07-14 10:28:55,255 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-07-14 10:28:55,458 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-07-14 10:28:55,666 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2021-07-14 10:28:55,875 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 94 [2021-07-14 10:28:56,091 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 94 [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:28:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:28:56,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable121 [2021-07-14 10:28:56,477 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:56,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:56,477 INFO L82 PathProgramCache]: Analyzing trace with hash -66780340, now seen corresponding path program 17 times [2021-07-14 10:28:56,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:56,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714324270] [2021-07-14 10:28:56,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:56,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:56,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714324270] [2021-07-14 10:28:56,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714324270] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:56,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652671433] [2021-07-14 10:28:56,662 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 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 10:28:56,701 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 10:28:56,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:56,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 10:28:56,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:56,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:56,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:28:56,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:56,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:56,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:56,905 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:56,907 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 5 [2021-07-14 10:28:56,908 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:56,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:28:56,911 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:56,913 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:28:56,914 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:56,916 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 5 [2021-07-14 10:28:56,917 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:56,938 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 10:28:56,938 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:56,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:28:56,938 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:28:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:56,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652671433] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:56,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:56,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-14 10:28:56,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460393117] [2021-07-14 10:28:56,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 10:28:56,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:56,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 10:28:56,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 10:28:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:56,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:56,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 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 10:28:56,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:56,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:56,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:56,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:56,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:56,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:28:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:28:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:28:57,926 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-07-14 10:28:57,927 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:57,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:57,927 INFO L82 PathProgramCache]: Analyzing trace with hash 473851194, now seen corresponding path program 18 times [2021-07-14 10:28:57,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:57,927 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188358809] [2021-07-14 10:28:57,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:58,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:58,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188358809] [2021-07-14 10:28:58,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188358809] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:58,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178286257] [2021-07-14 10:28:58,118 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 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 10:28:58,160 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 10:28:58,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:28:58,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 10:28:58,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:28:58,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:28:58,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:28:58,384 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:58,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:28:58,387 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:28:58,402 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:28:58,403 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:28:58,403 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:28:58,403 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:28:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:58,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178286257] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:58,431 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:28:58,431 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-07-14 10:28:58,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045028274] [2021-07-14 10:28:58,432 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 10:28:58,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:28:58,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 10:28:58,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-07-14 10:28:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:58,433 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:28:58,433 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 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 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:58,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:28:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:28:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:28:58,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:28:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:28:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:28:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:28:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:28:59,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable150 [2021-07-14 10:28:59,062 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:28:59,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:28:59,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1803400120, now seen corresponding path program 19 times [2021-07-14 10:28:59,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:28:59,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235926012] [2021-07-14 10:28:59,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:28:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:28:59,966 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:28:59,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:28:59,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235926012] [2021-07-14 10:28:59,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235926012] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:28:59,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113485386] [2021-07-14 10:28:59,967 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 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 10:29:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:00,004 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-07-14 10:29:00,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:29:01,432 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-14 10:29:02,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:02,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-07-14 10:29:02,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:02,251 INFO L628 ElimStorePlain]: treesize reduction 217, result has 4.8 percent of original size [2021-07-14 10:29:02,252 INFO L518 ElimStorePlain]: Eliminatee v_prenex_65 vanished before elimination [2021-07-14 10:29:02,252 INFO L518 ElimStorePlain]: Eliminatee v_prenex_64 vanished before elimination [2021-07-14 10:29:02,252 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:29:02,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:29:02,252 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-07-14 10:29:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:02,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113485386] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:02,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:29:02,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2021-07-14 10:29:02,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797627771] [2021-07-14 10:29:02,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 10:29:02,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:29:02,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 10:29:02,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1114, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 10:29:02,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:02,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:29:02,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 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 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:02,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:03,645 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 10:29:03,906 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-07-14 10:29:04,218 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-07-14 10:29:04,539 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 90 [2021-07-14 10:29:04,971 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 117 [2021-07-14 10:29:05,309 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 90 [2021-07-14 10:29:05,720 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 125 [2021-07-14 10:29:06,181 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 128 [2021-07-14 10:29:06,623 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 124 [2021-07-14 10:29:06,878 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2021-07-14 10:29:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:06,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:07,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:29:07,188 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:29:07,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:29:07,205 INFO L82 PathProgramCache]: Analyzing trace with hash 69743866, now seen corresponding path program 20 times [2021-07-14 10:29:07,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:29:07,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243591543] [2021-07-14 10:29:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:29:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:07,446 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:07,446 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:29:07,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243591543] [2021-07-14 10:29:07,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243591543] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:07,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156704951] [2021-07-14 10:29:07,446 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 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 10:29:07,486 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:29:07,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:29:07,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 10:29:07,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:29:07,746 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 5 [2021-07-14 10:29:07,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:07,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:07,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:29:07,750 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:07,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:29:07,753 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:07,755 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 5 [2021-07-14 10:29:07,756 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:07,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:29:07,759 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:07,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:29:07,761 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:07,782 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 10:29:07,782 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:29:07,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:29:07,783 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:29:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:07,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156704951] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:07,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:29:07,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-14 10:29:07,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699896697] [2021-07-14 10:29:07,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 10:29:07,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:29:07,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 10:29:07,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-14 10:29:07,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:07,820 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:29:07,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:29:07,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:07,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:07,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:07,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:07,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:07,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:07,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:07,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:07,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:07,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:09,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:29:09,142 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:29:09,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:29:09,143 INFO L82 PathProgramCache]: Analyzing trace with hash -350547764, now seen corresponding path program 21 times [2021-07-14 10:29:09,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:29:09,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629536669] [2021-07-14 10:29:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:29:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:09,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:29:09,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629536669] [2021-07-14 10:29:09,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629536669] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:09,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513057522] [2021-07-14 10:29:09,390 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 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 10:29:09,437 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 10:29:09,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:29:09,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 10:29:09,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:29:09,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:09,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:29:09,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:09,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:29:09,695 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:09,710 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:29:09,710 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:29:09,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:29:09,711 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:29:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:09,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513057522] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:09,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:29:09,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-07-14 10:29:09,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093562993] [2021-07-14 10:29:09,741 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 10:29:09,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:29:09,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 10:29:09,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-07-14 10:29:09,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:09,742 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:29:09,742 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:29:09,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:09,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:10,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:29:10,424 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:29:10,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:29:10,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2016836198, now seen corresponding path program 22 times [2021-07-14 10:29:10,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:29:10,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605629302] [2021-07-14 10:29:10,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:29:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:11,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:29:11,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605629302] [2021-07-14 10:29:11,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605629302] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:11,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312798395] [2021-07-14 10:29:11,131 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 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 10:29:11,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:29:11,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:29:11,173 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-14 10:29:11,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:29:12,308 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 10:29:12,525 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 10:29:12,752 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 10:29:12,966 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-07-14 10:29:13,194 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 10:29:13,462 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 10:29:13,731 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-07-14 10:29:13,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:13,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-14 10:29:13,823 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:13,850 INFO L628 ElimStorePlain]: treesize reduction 239, result has 4.4 percent of original size [2021-07-14 10:29:13,851 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:29:13,851 INFO L518 ElimStorePlain]: Eliminatee v_prenex_78 vanished before elimination [2021-07-14 10:29:13,851 INFO L518 ElimStorePlain]: Eliminatee v_prenex_77 vanished before elimination [2021-07-14 10:29:13,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:29:13,851 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-07-14 10:29:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:13,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312798395] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:13,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:29:13,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 37 [2021-07-14 10:29:13,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352046419] [2021-07-14 10:29:13,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 10:29:13,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:29:13,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 10:29:13,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 10:29:13,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:13,860 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:29:13,860 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 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 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:13,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:13,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:18,433 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-14 10:29:18,671 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2021-07-14 10:29:18,905 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2021-07-14 10:29:19,169 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-14 10:29:19,409 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-14 10:29:19,655 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-14 10:29:19,894 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-14 10:29:20,128 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2021-07-14 10:29:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:20,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:29:20,576 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:29:20,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:29:20,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1903672308, now seen corresponding path program 23 times [2021-07-14 10:29:20,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:29:20,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722520442] [2021-07-14 10:29:20,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:29:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:20,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:29:20,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722520442] [2021-07-14 10:29:20,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722520442] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:20,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525603801] [2021-07-14 10:29:20,846 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 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 10:29:20,889 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 10:29:20,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:29:20,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 10:29:20,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:29:21,196 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 8 treesize of output 6 [2021-07-14 10:29:21,198 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:21,200 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 8 treesize of output 6 [2021-07-14 10:29:21,201 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:21,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:21,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:29:21,204 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:21,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:21,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:29:21,208 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:21,215 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 5 [2021-07-14 10:29:21,216 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:21,218 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 5 [2021-07-14 10:29:21,219 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:21,244 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 10:29:21,245 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:29:21,245 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:29:21,245 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:29:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:21,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525603801] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:21,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:29:21,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-14 10:29:21,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773840554] [2021-07-14 10:29:21,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 10:29:21,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:29:21,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 10:29:21,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-14 10:29:21,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:21,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:29:21,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:21,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:21,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:21,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:21,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:21,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:21,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:21,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:21,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:21,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:21,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:22,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:22,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:22,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:22,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable214 [2021-07-14 10:29:22,723 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:29:22,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:29:22,725 INFO L82 PathProgramCache]: Analyzing trace with hash -2047810950, now seen corresponding path program 24 times [2021-07-14 10:29:22,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:29:22,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373891572] [2021-07-14 10:29:22,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:29:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:22,985 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:22,985 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:29:22,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373891572] [2021-07-14 10:29:22,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373891572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:22,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420699737] [2021-07-14 10:29:22,985 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 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 10:29:23,032 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 10:29:23,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:29:23,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 10:29:23,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:29:23,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:23,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:29:23,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:23,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:29:23,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:23,340 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:29:23,340 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:29:23,341 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:29:23,341 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:29:23,371 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:23,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420699737] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:23,371 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:29:23,371 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-14 10:29:23,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100088284] [2021-07-14 10:29:23,371 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 10:29:23,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:29:23,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 10:29:23,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-07-14 10:29:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:23,372 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:29:23,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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 10:29:23,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:23,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:23,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:24,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:24,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:29:24,255 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:29:24,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:29:24,255 INFO L82 PathProgramCache]: Analyzing trace with hash 941284984, now seen corresponding path program 25 times [2021-07-14 10:29:24,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:29:24,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137273297] [2021-07-14 10:29:24,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:29:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:25,114 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:25,114 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:29:25,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137273297] [2021-07-14 10:29:25,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137273297] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:25,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174390915] [2021-07-14 10:29:25,115 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 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 10:29:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:25,161 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-07-14 10:29:25,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:29:26,472 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 10:29:26,729 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 10:29:26,972 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 10:29:27,225 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 10:29:27,500 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 10:29:27,779 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-07-14 10:29:28,028 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 10:29:28,266 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-07-14 10:29:28,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:28,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:28,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-07-14 10:29:28,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:28,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:28,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-14 10:29:28,428 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:28,442 INFO L628 ElimStorePlain]: treesize reduction 171, result has 6.0 percent of original size [2021-07-14 10:29:28,442 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 10:29:28,442 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:29:28,442 INFO L518 ElimStorePlain]: Eliminatee v_prenex_90 vanished before elimination [2021-07-14 10:29:28,443 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:29:28,443 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-07-14 10:29:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:28,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174390915] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:28,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:29:28,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-14 10:29:28,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104627960] [2021-07-14 10:29:28,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 10:29:28,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:29:28,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 10:29:28,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1621, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 10:29:28,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:28,496 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:29:28,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:28,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:35,299 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2021-07-14 10:29:35,792 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2021-07-14 10:29:36,091 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-07-14 10:29:36,384 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-07-14 10:29:36,727 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-14 10:29:37,122 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-14 10:29:37,417 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2021-07-14 10:29:37,783 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-14 10:29:38,158 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 122 [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:29:38,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-07-14 10:29:38,681 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:29:38,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:29:38,681 INFO L82 PathProgramCache]: Analyzing trace with hash -886021574, now seen corresponding path program 26 times [2021-07-14 10:29:38,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:29:38,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558221094] [2021-07-14 10:29:38,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:29:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:39,013 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:29:39,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558221094] [2021-07-14 10:29:39,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558221094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:39,013 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831007116] [2021-07-14 10:29:39,013 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 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 10:29:39,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:29:39,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:29:39,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 10:29:39,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:29:39,394 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 5 [2021-07-14 10:29:39,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:39,397 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 5 [2021-07-14 10:29:39,398 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:39,400 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 8 treesize of output 6 [2021-07-14 10:29:39,401 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:39,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:39,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:29:39,404 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:39,406 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 8 treesize of output 6 [2021-07-14 10:29:39,407 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:39,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:29:39,410 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:39,435 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 10:29:39,435 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:29:39,436 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:29:39,436 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:29:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:39,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831007116] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:39,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:29:39,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-14 10:29:39,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655384268] [2021-07-14 10:29:39,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 10:29:39,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:29:39,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 10:29:39,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 10:29:39,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:39,486 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:29:39,487 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 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 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:39,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:39,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:39,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:39,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:39,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:39,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:29:39,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:29:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:29:41,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:29:41,195 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:29:41,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:29:41,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1059352180, now seen corresponding path program 27 times [2021-07-14 10:29:41,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:29:41,196 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150430034] [2021-07-14 10:29:41,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:29:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:41,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:29:41,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150430034] [2021-07-14 10:29:41,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150430034] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:41,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449738425] [2021-07-14 10:29:41,557 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 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 10:29:41,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 10:29:41,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:29:41,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 10:29:41,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:29:41,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:41,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:29:41,947 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:41,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:29:41,950 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:41,967 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:29:41,967 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:29:41,968 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:29:41,968 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:29:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:42,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449738425] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:42,000 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:29:42,000 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-07-14 10:29:42,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440177174] [2021-07-14 10:29:42,000 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 10:29:42,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:29:42,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 10:29:42,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 10:29:42,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:42,001 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:29:42,001 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 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 10:29:42,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:42,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:42,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:42,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:42,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:29:42,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:29:42,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:29:42,853 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable259 [2021-07-14 10:29:42,853 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:29:42,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:29:42,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1518735782, now seen corresponding path program 28 times [2021-07-14 10:29:42,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:29:42,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776990872] [2021-07-14 10:29:42,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:29:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:29:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:43,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:29:43,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776990872] [2021-07-14 10:29:43,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776990872] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:43,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215697853] [2021-07-14 10:29:43,762 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 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 10:29:43,805 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:29:43,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:29:43,807 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-07-14 10:29:43,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:29:45,371 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 10:29:45,628 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 10:29:45,925 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 10:29:46,196 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 10:29:46,472 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 10:29:46,764 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 10:29:47,088 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 10:29:47,384 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2021-07-14 10:29:47,703 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-07-14 10:29:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:47,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:47,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 82 [2021-07-14 10:29:47,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:47,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:29:47,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:29:47,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 84 [2021-07-14 10:29:47,884 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:29:47,896 INFO L628 ElimStorePlain]: treesize reduction 176, result has 5.9 percent of original size [2021-07-14 10:29:47,897 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:29:47,897 INFO L518 ElimStorePlain]: Eliminatee v_prenex_101 vanished before elimination [2021-07-14 10:29:47,897 INFO L518 ElimStorePlain]: Eliminatee v_prenex_102 vanished before elimination [2021-07-14 10:29:47,897 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:29:47,897 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:404, output treesize:11 [2021-07-14 10:29:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:29:47,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215697853] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:29:47,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:29:47,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 45 [2021-07-14 10:29:47,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001889056] [2021-07-14 10:29:47,905 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-14 10:29:47,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:29:47,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-14 10:29:47,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1872, Unknown=0, NotChecked=0, Total=1980 [2021-07-14 10:29:47,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:47,906 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:29:47,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 45 states have internal predecessors, (53), 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 10:29:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:29:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:29:54,026 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2021-07-14 10:29:55,777 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-07-14 10:29:56,130 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-14 10:29:56,541 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-14 10:29:56,922 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-14 10:29:57,323 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-14 10:29:57,753 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-14 10:29:58,151 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 130 [2021-07-14 10:29:58,556 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-07-14 10:29:58,969 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-07-14 10:29:59,365 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 130 [2021-07-14 10:29:59,583 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2021-07-14 10:29:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:29:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:29:59,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:29:59,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:29:59,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:29:59,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:29:59,910 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:29:59,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:29:59,910 INFO L82 PathProgramCache]: Analyzing trace with hash -164916020, now seen corresponding path program 29 times [2021-07-14 10:29:59,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:29:59,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386831352] [2021-07-14 10:29:59,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:29:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:30:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:00,298 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:30:00,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386831352] [2021-07-14 10:30:00,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386831352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:00,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884214674] [2021-07-14 10:30:00,299 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 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 10:30:00,349 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 10:30:00,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:30:00,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 10:30:00,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:30:00,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:00,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:30:00,789 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:00,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:00,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:30:00,792 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:00,794 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 5 [2021-07-14 10:30:00,795 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:00,797 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:30:00,798 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:00,800 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 5 [2021-07-14 10:30:00,801 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:00,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:30:00,803 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:00,824 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 10:30:00,824 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:30:00,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:30:00,825 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:30:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:00,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884214674] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:00,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:30:00,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-14 10:30:00,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496096102] [2021-07-14 10:30:00,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 10:30:00,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:30:00,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 10:30:00,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 10:30:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:00,871 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:30:00,871 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 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 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:00,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:00,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:02,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:02,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:02,798 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable296,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:30:02,798 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:30:02,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:30:02,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1243197510, now seen corresponding path program 30 times [2021-07-14 10:30:02,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:30:02,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758461900] [2021-07-14 10:30:02,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:30:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:30:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:03,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:30:03,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758461900] [2021-07-14 10:30:03,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758461900] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:03,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226436994] [2021-07-14 10:30:03,170 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:30:03,235 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 10:30:03,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:30:03,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 10:30:03,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:30:03,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:03,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:30:03,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:03,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:30:03,649 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:03,666 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:30:03,666 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:30:03,667 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:30:03,667 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:30:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:03,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226436994] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:03,703 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:30:03,703 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-07-14 10:30:03,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496936935] [2021-07-14 10:30:03,703 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 10:30:03,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:30:03,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 10:30:03,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 10:30:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:03,704 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:30:03,704 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 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 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:03,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:03,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:04,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:04,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:30:04,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable303 [2021-07-14 10:30:04,910 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:30:04,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:30:04,925 INFO L82 PathProgramCache]: Analyzing trace with hash 114497848, now seen corresponding path program 31 times [2021-07-14 10:30:04,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:30:04,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208438548] [2021-07-14 10:30:04,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:30:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:30:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:06,370 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:30:06,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208438548] [2021-07-14 10:30:06,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208438548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:06,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122613876] [2021-07-14 10:30:06,370 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:30:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:30:06,420 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-07-14 10:30:06,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:30:08,190 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-14 10:30:08,525 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 10:30:08,936 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 10:30:09,291 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 10:30:09,644 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 10:30:10,046 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 10:30:10,423 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 10:30:10,793 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 10:30:11,208 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-07-14 10:30:11,581 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 10:30:12,000 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-07-14 10:30:12,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:12,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:12,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-07-14 10:30:12,195 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:12,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:12,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 91 [2021-07-14 10:30:12,251 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:12,268 INFO L628 ElimStorePlain]: treesize reduction 183, result has 5.7 percent of original size [2021-07-14 10:30:12,268 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:30:12,268 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-07-14 10:30:12,268 INFO L518 ElimStorePlain]: Eliminatee v_prenex_113 vanished before elimination [2021-07-14 10:30:12,269 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:30:12,269 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-07-14 10:30:12,373 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:12,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122613876] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:12,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:30:12,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-07-14 10:30:12,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380520042] [2021-07-14 10:30:12,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-14 10:30:12,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:30:12,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-14 10:30:12,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2341, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 10:30:12,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:12,375 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:30:12,375 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 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 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:12,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:30:12,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:16,285 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-14 10:30:16,915 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 94 [2021-07-14 10:30:17,586 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2021-07-14 10:30:18,246 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-07-14 10:30:18,949 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 158 [2021-07-14 10:30:20,063 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-14 10:30:20,765 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 158 [2021-07-14 10:30:21,490 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-14 10:30:22,222 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 202 [2021-07-14 10:30:22,929 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-14 10:30:23,619 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 158 [2021-07-14 10:30:24,284 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 156 [2021-07-14 10:30:25,030 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 204 [2021-07-14 10:30:25,719 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 204 [2021-07-14 10:30:26,123 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:26,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:30:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:30:26,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable305 [2021-07-14 10:30:26,536 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:30:26,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:30:26,536 INFO L82 PathProgramCache]: Analyzing trace with hash -746619014, now seen corresponding path program 32 times [2021-07-14 10:30:26,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:30:26,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861172362] [2021-07-14 10:30:26,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:30:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:30:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:26,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:30:26,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861172362] [2021-07-14 10:30:26,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861172362] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:26,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641174959] [2021-07-14 10:30:26,960 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:30:27,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:30:27,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:30:27,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 10:30:27,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:30:27,506 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 8 treesize of output 6 [2021-07-14 10:30:27,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:27,510 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 5 [2021-07-14 10:30:27,511 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:27,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:27,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:30:27,515 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:27,517 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:30:27,517 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:27,519 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 5 [2021-07-14 10:30:27,520 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:27,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:30:27,523 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:27,547 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 10:30:27,547 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:30:27,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:30:27,548 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:30:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:27,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641174959] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:27,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:30:27,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-14 10:30:27,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693513546] [2021-07-14 10:30:27,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 10:30:27,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:30:27,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 10:30:27,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 10:30:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:27,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:30:27,596 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:27,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:30:27,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:30:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:30:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:30:29,771 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable343 [2021-07-14 10:30:29,772 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:30:29,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:30:29,772 INFO L82 PathProgramCache]: Analyzing trace with hash 186393164, now seen corresponding path program 33 times [2021-07-14 10:30:29,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:30:29,772 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947443646] [2021-07-14 10:30:29,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:30:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:30:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:30,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:30:30,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947443646] [2021-07-14 10:30:30,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947443646] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:30,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529074025] [2021-07-14 10:30:30,199 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:30:30,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 10:30:30,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:30:30,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 10:30:30,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:30:30,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:30,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:30:30,731 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:30,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:30:30,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:30,749 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:30:30,749 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:30:30,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:30:30,750 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:30:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:30,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529074025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:30,789 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:30:30,789 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-07-14 10:30:30,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346842406] [2021-07-14 10:30:30,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 10:30:30,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:30:30,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 10:30:30,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 10:30:30,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:30,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:30:30,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:30:30,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:30:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:30:32,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable350,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:30:32,012 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:30:32,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:30:32,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1482135782, now seen corresponding path program 34 times [2021-07-14 10:30:32,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:30:32,013 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698167892] [2021-07-14 10:30:32,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:30:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:30:33,128 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:33,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:30:33,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698167892] [2021-07-14 10:30:33,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698167892] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:33,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319116850] [2021-07-14 10:30:33,129 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:30:33,180 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:30:33,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:30:33,182 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-07-14 10:30:33,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:30:35,438 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 10:30:35,790 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 10:30:36,212 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 10:30:36,585 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 10:30:37,004 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 10:30:37,502 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 10:30:37,873 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 10:30:38,399 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 10:30:38,799 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 10:30:39,182 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-07-14 10:30:39,617 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-07-14 10:30:39,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:39,803 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-07-14 10:30:39,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-07-14 10:30:39,811 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:39,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:39,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:30:39,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 98 [2021-07-14 10:30:39,866 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:39,883 INFO L628 ElimStorePlain]: treesize reduction 204, result has 5.1 percent of original size [2021-07-14 10:30:39,883 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:30:39,884 INFO L518 ElimStorePlain]: Eliminatee v_prenex_127 vanished before elimination [2021-07-14 10:30:39,884 INFO L518 ElimStorePlain]: Eliminatee v_prenex_128 vanished before elimination [2021-07-14 10:30:39,884 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:30:39,884 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-07-14 10:30:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:39,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319116850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:39,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:30:39,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-07-14 10:30:39,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296019763] [2021-07-14 10:30:39,893 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 10:30:39,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:30:39,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 10:30:39,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 10:30:39,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:39,894 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:30:39,894 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.150943396226415) internal successors, (61), 53 states have internal predecessors, (61), 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 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:39,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:30:39,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:30:51,114 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2021-07-14 10:30:53,571 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2021-07-14 10:30:53,962 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-14 10:30:54,388 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-14 10:30:54,819 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-14 10:30:55,233 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-14 10:30:55,645 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2021-07-14 10:30:56,048 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 10:30:56,501 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 10:30:56,936 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 10:30:57,334 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 10:30:57,758 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 10:30:58,153 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 150 [2021-07-14 10:30:58,429 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:30:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:30:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:30:58,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:30:58,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable352,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:30:58,811 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:30:58,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:30:58,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1299516020, now seen corresponding path program 35 times [2021-07-14 10:30:58,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:30:58,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143647667] [2021-07-14 10:30:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:30:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:30:59,316 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:30:59,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:30:59,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143647667] [2021-07-14 10:30:59,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143647667] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:30:59,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377981157] [2021-07-14 10:30:59,317 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:30:59,373 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-14 10:30:59,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:30:59,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 10:30:59,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:30:59,920 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 8 treesize of output 6 [2021-07-14 10:30:59,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:59,924 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 8 treesize of output 6 [2021-07-14 10:30:59,924 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:59,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:59,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:30:59,929 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:59,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:30:59,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:30:59,933 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:59,935 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 5 [2021-07-14 10:30:59,936 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:59,938 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 5 [2021-07-14 10:30:59,942 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:30:59,970 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 10:30:59,970 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:30:59,970 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:30:59,970 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:31:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:00,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377981157] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:00,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:31:00,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-14 10:31:00,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044258031] [2021-07-14 10:31:00,025 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 10:31:00,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:31:00,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 10:31:00,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 10:31:00,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:00,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:31:00,026 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:00,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:00,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:02,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:02,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:02,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:02,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:02,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:31:02,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable391 [2021-07-14 10:31:02,842 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:31:02,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:31:02,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1854057722, now seen corresponding path program 36 times [2021-07-14 10:31:02,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:31:02,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3005299] [2021-07-14 10:31:02,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:31:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:31:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:03,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:31:03,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3005299] [2021-07-14 10:31:03,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3005299] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:03,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200145503] [2021-07-14 10:31:03,349 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:31:03,407 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-14 10:31:03,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:31:03,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 10:31:03,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:31:03,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:03,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:31:03,970 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:03,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:31:03,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:03,990 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:31:03,991 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:31:03,991 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:31:03,991 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:31:04,035 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:04,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200145503] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:04,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:31:04,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-07-14 10:31:04,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921442286] [2021-07-14 10:31:04,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 10:31:04,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:31:04,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 10:31:04,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 10:31:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:04,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:31:04,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:31:04,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:04,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:04,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:04,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:04,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:04,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:31:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:31:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:05,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable398 [2021-07-14 10:31:05,619 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:31:05,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:31:05,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1640129528, now seen corresponding path program 37 times [2021-07-14 10:31:05,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:31:05,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107398906] [2021-07-14 10:31:05,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:31:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:31:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:07,491 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:31:07,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107398906] [2021-07-14 10:31:07,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107398906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:07,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935974419] [2021-07-14 10:31:07,491 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:31:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:31:07,557 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-14 10:31:07,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:31:10,504 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 10:31:10,974 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 10:31:11,442 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 10:31:11,863 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-14 10:31:12,285 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-14 10:31:12,809 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 10:31:13,258 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 10:31:13,708 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-14 10:31:14,185 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 10:31:14,636 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-07-14 10:31:15,145 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 10:31:15,626 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-07-14 10:31:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:15,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:15,832 INFO L244 Elim1Store]: Index analysis took 123 ms [2021-07-14 10:31:15,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 95 [2021-07-14 10:31:15,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:15,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:15,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-07-14 10:31:15,901 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:16,005 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-07-14 10:31:16,006 INFO L628 ElimStorePlain]: treesize reduction 190, result has 48.8 percent of original size [2021-07-14 10:31:16,006 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:31:16,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:16,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:16,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 105 [2021-07-14 10:31:16,062 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:16,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:31:16,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:16,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 6 [2021-07-14 10:31:16,076 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 10:31:16,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 10:31:16,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 10:31:16,087 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:653, output treesize:22 [2021-07-14 10:31:16,191 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:16,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935974419] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:16,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:31:16,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-07-14 10:31:16,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278889610] [2021-07-14 10:31:16,192 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-14 10:31:16,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:31:16,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-14 10:31:16,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=3293, Unknown=0, NotChecked=0, Total=3422 [2021-07-14 10:31:16,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:16,193 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:31:16,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.152542372881356) internal successors, (68), 59 states have internal predecessors, (68), 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 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:16,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:16,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:20,570 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-07-14 10:31:21,186 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2021-07-14 10:31:21,710 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 156 [2021-07-14 10:31:22,215 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 169 [2021-07-14 10:31:22,775 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 171 [2021-07-14 10:31:23,391 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-14 10:31:24,014 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 131 [2021-07-14 10:31:24,661 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 177 [2021-07-14 10:31:25,272 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 177 [2021-07-14 10:31:25,894 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-14 10:31:26,497 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-14 10:31:27,064 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-14 10:31:27,670 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 177 [2021-07-14 10:31:28,234 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 131 [2021-07-14 10:31:28,881 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 177 [2021-07-14 10:31:29,456 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 130 [2021-07-14 10:31:29,922 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:31:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:30,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:31:30,351 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-07-14 10:31:30,351 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:31:30,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:31:30,352 INFO L82 PathProgramCache]: Analyzing trace with hash -696677190, now seen corresponding path program 38 times [2021-07-14 10:31:30,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:31:30,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525944854] [2021-07-14 10:31:30,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:31:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:31:30,891 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:30,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:31:30,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525944854] [2021-07-14 10:31:30,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525944854] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:30,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487702827] [2021-07-14 10:31:30,892 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:31:30,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:31:30,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:31:30,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 10:31:30,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:31:31,529 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 5 [2021-07-14 10:31:31,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:31,532 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 8 treesize of output 6 [2021-07-14 10:31:31,533 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:31,535 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 5 [2021-07-14 10:31:31,536 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:31,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:31,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:31:31,539 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:31,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:31,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:31:31,542 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:31,544 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:31:31,544 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:31,567 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-07-14 10:31:31,567 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:31:31,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:31:31,568 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:31:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:31,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487702827] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:31,621 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:31:31,621 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-14 10:31:31,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125953867] [2021-07-14 10:31:31,621 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 10:31:31,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:31:31,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 10:31:31,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 10:31:31,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:31,635 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:31:31,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 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 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:31:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:34,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:34,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:34,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:31:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:31:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:31:34,257 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable447,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:31:34,257 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:31:34,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:31:34,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1720138996, now seen corresponding path program 39 times [2021-07-14 10:31:34,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:31:34,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541613285] [2021-07-14 10:31:34,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:31:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:31:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:34,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:31:34,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541613285] [2021-07-14 10:31:34,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541613285] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:34,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200020435] [2021-07-14 10:31:34,823 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:31:34,883 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 10:31:34,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:31:34,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 10:31:34,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:31:35,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:35,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:31:35,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:35,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:31:35,481 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:35,496 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:31:35,497 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:31:35,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:31:35,497 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:31:35,541 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:35,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200020435] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:35,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:31:35,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-07-14 10:31:35,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161528101] [2021-07-14 10:31:35,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 10:31:35,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:31:35,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 10:31:35,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 10:31:35,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:35,542 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:31:35,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 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 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:35,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:31:35,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:36,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:31:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:31:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:37,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable454 [2021-07-14 10:31:37,120 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:31:37,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:31:37,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1785786330, now seen corresponding path program 40 times [2021-07-14 10:31:37,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:31:37,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772460749] [2021-07-14 10:31:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:31:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:31:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:38,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:31:38,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772460749] [2021-07-14 10:31:38,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772460749] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:38,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586387183] [2021-07-14 10:31:38,366 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:31:38,420 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:31:38,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:31:38,428 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-07-14 10:31:38,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:31:41,234 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 10:31:41,723 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 10:31:42,239 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 10:31:42,753 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 10:31:43,214 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 10:31:43,766 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 10:31:44,225 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 10:31:44,701 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 10:31:45,137 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 10:31:45,681 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 10:31:46,355 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-07-14 10:31:46,839 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 10:31:47,284 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-07-14 10:31:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:47,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:47,502 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-07-14 10:31:47,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-07-14 10:31:47,513 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:31:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:31:47,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 112 [2021-07-14 10:31:47,606 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:31:47,621 INFO L628 ElimStorePlain]: treesize reduction 216, result has 4.8 percent of original size [2021-07-14 10:31:47,621 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:31:47,621 INFO L518 ElimStorePlain]: Eliminatee v_prenex_165 vanished before elimination [2021-07-14 10:31:47,621 INFO L518 ElimStorePlain]: Eliminatee v_prenex_166 vanished before elimination [2021-07-14 10:31:47,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:31:47,622 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-07-14 10:31:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:31:47,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586387183] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:31:47,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:31:47,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 61 [2021-07-14 10:31:47,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805265024] [2021-07-14 10:31:47,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-14 10:31:47,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:31:47,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-14 10:31:47,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=3512, Unknown=0, NotChecked=0, Total=3660 [2021-07-14 10:31:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:31:47,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:31:47,632 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.1311475409836065) internal successors, (69), 61 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:31:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:31:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:32:06,593 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2021-07-14 10:32:10,338 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 100 [2021-07-14 10:32:11,026 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 161 [2021-07-14 10:32:11,687 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:12,448 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:13,160 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:13,855 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:14,546 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:15,256 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:15,934 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:16,636 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:17,326 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:18,185 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:18,919 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:19,631 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 166 [2021-07-14 10:32:19,996 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:32:20,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:32:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:20,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:32:20,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable456,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:32:20,379 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:32:20,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:32:20,380 INFO L82 PathProgramCache]: Analyzing trace with hash 474113612, now seen corresponding path program 41 times [2021-07-14 10:32:20,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:32:20,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517129185] [2021-07-14 10:32:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:32:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:32:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:32:20,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:32:20,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517129185] [2021-07-14 10:32:20,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517129185] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:32:20,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000542086] [2021-07-14 10:32:20,982 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:32:21,043 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-07-14 10:32:21,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:32:21,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 10:32:21,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:32:21,725 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 8 treesize of output 6 [2021-07-14 10:32:21,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:32:21,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:32:21,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:32:21,731 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:32:21,733 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 8 treesize of output 6 [2021-07-14 10:32:21,734 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:32:21,737 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 5 [2021-07-14 10:32:21,738 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:32:21,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:32:21,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:32:21,741 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:32:21,743 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 5 [2021-07-14 10:32:21,744 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:32:21,771 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-07-14 10:32:21,772 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:32:21,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:32:21,772 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:32:21,828 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:32:21,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000542086] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:32:21,828 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:32:21,828 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-14 10:32:21,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088355269] [2021-07-14 10:32:21,829 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 10:32:21,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:32:21,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 10:32:21,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 10:32:21,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:32:21,830 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:32:21,830 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 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 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:32:21,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:32:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:32:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:32:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:32:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:32:24,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:32:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:32:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:32:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:32:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:32:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:32:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:32:24,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable500,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:32:24,955 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:32:24,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:32:24,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1188431302, now seen corresponding path program 42 times [2021-07-14 10:32:24,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:32:24,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308521593] [2021-07-14 10:32:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:32:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:32:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:32:25,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:32:25,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308521593] [2021-07-14 10:32:25,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308521593] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:32:25,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669914293] [2021-07-14 10:32:25,567 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:32:25,630 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-14 10:32:25,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:32:25,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 10:32:25,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:32:26,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:32:26,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:32:26,292 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:32:26,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:32:26,294 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:32:26,310 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:32:26,310 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:32:26,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:32:26,310 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:32:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:32:26,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669914293] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:32:26,357 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:32:26,357 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-07-14 10:32:26,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092380699] [2021-07-14 10:32:26,357 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 10:32:26,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:32:26,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 10:32:26,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 10:32:26,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:32:26,358 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:32:26,358 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 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 10:32:26,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:32:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:32:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:32:27,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:32:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:32:27,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:32:27,946 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable507 [2021-07-14 10:32:27,946 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:32:27,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:32:27,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1812250296, now seen corresponding path program 43 times [2021-07-14 10:32:27,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:32:27,947 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614600626] [2021-07-14 10:32:27,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:32:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:32:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:32:29,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:32:29,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614600626] [2021-07-14 10:32:29,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614600626] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:32:29,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407065788] [2021-07-14 10:32:29,575 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:32:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:32:29,631 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-07-14 10:32:29,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:32:31,550 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-07-14 10:32:32,518 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-14 10:32:33,005 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 10:32:33,592 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 10:32:34,128 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 10:32:34,656 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 10:32:35,209 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 10:32:35,806 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 10:32:36,291 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 10:32:36,916 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 10:32:37,521 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 10:32:38,068 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 10:32:38,623 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-07-14 10:32:39,104 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 10:32:39,663 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 10:32:40,157 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-07-14 10:32:40,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:32:40,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:32:40,420 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-07-14 10:32:40,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 119 [2021-07-14 10:32:40,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:32:40,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:32:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:32:40,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-07-14 10:32:40,507 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:32:40,523 INFO L628 ElimStorePlain]: treesize reduction 233, result has 4.5 percent of original size [2021-07-14 10:32:40,523 INFO L518 ElimStorePlain]: Eliminatee v_prenex_182 vanished before elimination [2021-07-14 10:32:40,523 INFO L518 ElimStorePlain]: Eliminatee v_prenex_183 vanished before elimination [2021-07-14 10:32:40,523 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:32:40,523 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:32:40,523 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-07-14 10:32:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:32:40,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407065788] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:32:40,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:32:40,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-07-14 10:32:40,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086039167] [2021-07-14 10:32:40,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 10:32:40,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:32:40,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 10:32:40,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=4129, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 10:32:40,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:32:40,614 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:32:40,615 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 66 states have internal predecessors, (76), 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 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:32:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:32:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:33:00,124 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-07-14 10:33:03,712 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 168 [2021-07-14 10:33:04,440 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 110 [2021-07-14 10:33:05,232 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-14 10:33:06,071 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-14 10:33:06,918 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-14 10:33:07,753 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-14 10:33:08,632 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-14 10:33:09,456 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-14 10:33:10,319 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-14 10:33:11,189 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-14 10:33:11,935 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-14 10:33:12,700 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-14 10:33:13,517 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-14 10:33:14,283 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-14 10:33:15,096 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 177 [2021-07-14 10:33:15,482 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:33:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:33:15,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:15,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:33:15,890 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable509,46 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:33:15,891 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:33:15,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:33:15,891 INFO L82 PathProgramCache]: Analyzing trace with hash 344099322, now seen corresponding path program 44 times [2021-07-14 10:33:15,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:33:15,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547738339] [2021-07-14 10:33:15,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:33:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:33:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:33:16,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:33:16,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547738339] [2021-07-14 10:33:16,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547738339] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:33:16,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301817130] [2021-07-14 10:33:16,589 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:33:16,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 10:33:16,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:33:16,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-14 10:33:16,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:33:17,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:33:17,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:33:17,418 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:33:17,421 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 5 [2021-07-14 10:33:17,421 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:33:17,423 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:33:17,424 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:33:17,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:33:17,426 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:33:17,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:33:17,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:33:17,429 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:33:17,431 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 5 [2021-07-14 10:33:17,432 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:33:17,453 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 10:33:17,453 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:33:17,453 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:33:17,453 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:33:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:33:17,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301817130] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:33:17,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:33:17,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-14 10:33:17,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741152025] [2021-07-14 10:33:17,509 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 10:33:17,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:33:17,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 10:33:17,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 10:33:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:33:17,510 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:33:17,510 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 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 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:17,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:33:17,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:33:20,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:33:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 10:33:21,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable556 [2021-07-14 10:33:21,045 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:33:21,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:33:21,046 INFO L82 PathProgramCache]: Analyzing trace with hash 344814540, now seen corresponding path program 45 times [2021-07-14 10:33:21,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:33:21,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643575376] [2021-07-14 10:33:21,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:33:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:33:21,721 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:33:21,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:33:21,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643575376] [2021-07-14 10:33:21,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643575376] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:33:21,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976369300] [2021-07-14 10:33:21,721 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:33:21,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 10:33:21,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:33:21,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-14 10:33:21,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:33:22,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:33:22,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:33:22,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:33:22,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:33:22,556 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:33:22,573 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:33:22,573 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:33:22,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:33:22,574 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:33:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:33:22,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976369300] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:33:22,627 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:33:22,628 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-07-14 10:33:22,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464914310] [2021-07-14 10:33:22,628 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 10:33:22,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:33:22,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 10:33:22,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 10:33:22,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:33:22,629 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:33:22,629 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 52 states have internal predecessors, (60), 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 10:33:22,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:22,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:33:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 10:33:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:33:24,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:33:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 10:33:24,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:33:24,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable563,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:33:24,977 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:33:24,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:33:24,977 INFO L82 PathProgramCache]: Analyzing trace with hash 2098231142, now seen corresponding path program 46 times [2021-07-14 10:33:24,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:33:24,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018569405] [2021-07-14 10:33:24,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:33:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:33:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:33:27,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:33:27,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018569405] [2021-07-14 10:33:27,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018569405] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:33:27,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643175343] [2021-07-14 10:33:27,378 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 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:33:27,445 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 10:33:27,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:33:27,448 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-07-14 10:33:27,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:33:29,911 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-07-14 10:33:31,095 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-07-14 10:33:31,792 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 10:33:32,469 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 10:33:33,240 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 10:33:33,868 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 10:33:34,500 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 10:33:35,078 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 10:33:35,803 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 10:33:36,437 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 10:33:37,025 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 10:33:37,645 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 10:33:38,276 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 10:33:38,938 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 10:33:39,610 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-07-14 10:33:40,143 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 10:33:40,768 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-07-14 10:33:40,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:33:40,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 10:33:40,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 124 [2021-07-14 10:33:40,950 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:33:40,999 INFO L628 ElimStorePlain]: treesize reduction 415, result has 2.6 percent of original size [2021-07-14 10:33:40,999 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 10:33:41,000 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:33:41,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_205 vanished before elimination [2021-07-14 10:33:41,000 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:33:41,000 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-07-14 10:33:41,008 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:33:41,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643175343] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:33:41,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:33:41,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 69 [2021-07-14 10:33:41,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749753167] [2021-07-14 10:33:41,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-07-14 10:33:41,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:33:41,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-07-14 10:33:41,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=4524, Unknown=0, NotChecked=0, Total=4692 [2021-07-14 10:33:41,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:33:41,010 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:33:41,010 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 1.1159420289855073) internal successors, (77), 69 states have internal predecessors, (77), 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 10:33:41,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:33:41,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:41,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:33:41,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:41,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:33:41,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:33:41,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:34:07,197 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2021-07-14 10:34:11,893 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 112 [2021-07-14 10:34:13,222 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-14 10:34:14,638 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-14 10:34:16,101 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-14 10:34:17,495 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-14 10:34:18,872 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-14 10:34:20,280 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-14 10:34:21,796 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-14 10:34:23,213 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-14 10:34:24,380 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-14 10:34:25,574 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-14 10:34:26,738 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-14 10:34:27,865 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 186 [2021-07-14 10:34:29,029 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-14 10:34:30,111 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-14 10:34:31,232 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-07-14 10:34:31,774 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2021-07-14 10:34:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:34:32,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 10:34:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:34:32,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-14 10:34:32,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable565 [2021-07-14 10:34:32,225 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:34:32,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:34:32,226 INFO L82 PathProgramCache]: Analyzing trace with hash 619570956, now seen corresponding path program 47 times [2021-07-14 10:34:32,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:34:32,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900343972] [2021-07-14 10:34:32,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:34:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:34:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:34:32,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:34:32,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900343972] [2021-07-14 10:34:32,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900343972] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:34:32,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318823623] [2021-07-14 10:34:32,997 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:34:33,065 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 10:34:33,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:34:33,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 10:34:33,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:34:33,929 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 5 [2021-07-14 10:34:33,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:34:33,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:34:33,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 10:34:33,934 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:34:33,936 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:34:33,936 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 10:34:33,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:34:33,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:34:33,939 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 10:34:33,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 10:34:33,941 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 10:34:33,943 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 5 [2021-07-14 10:34:33,944 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 10:34:33,966 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-07-14 10:34:33,966 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:34:33,966 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 10:34:33,967 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-07-14 10:34:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 17 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:34:34,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318823623] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:34:34,025 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:34:34,025 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-14 10:34:34,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606770043] [2021-07-14 10:34:34,025 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 10:34:34,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:34:34,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 10:34:34,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 10:34:34,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:34:34,026 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:34:34,026 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 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 10:34:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:34:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:34:34,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:34:34,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-14 10:34:34,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:34:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:34:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:34:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:34:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:34:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:34:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:34:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:34:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:34:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:34:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:34:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 10:34:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:34:37,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-14 10:34:37,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 10:34:37,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable612 [2021-07-14 10:34:37,909 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:34:37,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:34:37,909 INFO L82 PathProgramCache]: Analyzing trace with hash 641742714, now seen corresponding path program 48 times [2021-07-14 10:34:37,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:34:37,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208682443] [2021-07-14 10:34:37,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:34:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:34:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:34:38,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:34:38,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208682443] [2021-07-14 10:34:38,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208682443] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:34:38,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049067857] [2021-07-14 10:34:38,668 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:34:38,755 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-14 10:34:38,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 10:34:38,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 10:34:38,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:34:39,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 10:34:39,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 10:34:39,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 10:34:39,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 10:34:39,599 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 10:34:39,614 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 10:34:39,614 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-07-14 10:34:39,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 10:34:39,615 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 10:34:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:34:39,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049067857] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:34:39,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 10:34:39,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-07-14 10:34:39,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229154323] [2021-07-14 10:34:39,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 10:34:39,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 10:34:39,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 10:34:39,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 10:34:39,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:34:39,667 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 10:34:39,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 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 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:34:39,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2021-07-14 10:34:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 10:34:39,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 10:34:41,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 10:34:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-07-14 10:34:41,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 10:34:41,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 10:34:42,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable618,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:34:42,173 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 10:34:42,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 10:34:42,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1581897352, now seen corresponding path program 49 times [2021-07-14 10:34:42,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 10:34:42,173 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402451224] [2021-07-14 10:34:42,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 10:34:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:34:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 10:34:44,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 10:34:44,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402451224] [2021-07-14 10:34:44,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402451224] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 10:34:44,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758352673] [2021-07-14 10:34:44,279 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 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 10:34:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 10:34:44,345 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-07-14 10:34:44,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 10:34:46,819 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-14 10:34:47,988 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-14 10:34:48,747 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 10:34:49,487 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 10:34:50,219 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-07-14 10:34:50,793 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 10:34:50,795 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-14 10:34:50,995 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable620 [2021-07-14 10:34:50,996 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:621) 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.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) 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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-14 10:34:50,999 INFO L168 Benchmark]: Toolchain (without parser) took 388562.40 ms. Allocated memory was 202.4 MB in the beginning and 402.7 MB in the end (delta: 200.3 MB). Free memory was 182.3 MB in the beginning and 202.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 182.2 MB. Max. memory is 8.0 GB. [2021-07-14 10:34:50,999 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 202.4 MB. Free memory is still 183.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 10:34:50,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.05 ms. Allocated memory is still 202.4 MB. Free memory was 182.1 MB in the beginning and 180.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 10:34:50,999 INFO L168 Benchmark]: Boogie Preprocessor took 11.17 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 179.7 MB in the end (delta: 852.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 10:34:51,000 INFO L168 Benchmark]: RCFGBuilder took 255.35 ms. Allocated memory is still 202.4 MB. Free memory was 179.5 MB in the beginning and 161.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-14 10:34:51,000 INFO L168 Benchmark]: TraceAbstraction took 388271.30 ms. Allocated memory was 202.4 MB in the beginning and 402.7 MB in the end (delta: 200.3 MB). Free memory was 161.5 MB in the beginning and 202.0 MB in the end (delta: -40.5 MB). Peak memory consumption was 161.3 MB. Max. memory is 8.0 GB. [2021-07-14 10:34:51,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 202.4 MB. Free memory is still 183.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.05 ms. Allocated memory is still 202.4 MB. Free memory was 182.1 MB in the beginning and 180.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.17 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 179.7 MB in the end (delta: 852.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 255.35 ms. Allocated memory is still 202.4 MB. Free memory was 179.5 MB in the beginning and 161.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 388271.30 ms. Allocated memory was 202.4 MB in the beginning and 402.7 MB in the end (delta: 200.3 MB). Free memory was 161.5 MB in the beginning and 202.0 MB in the end (delta: -40.5 MB). Peak memory consumption was 161.3 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...