/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 22:26:25,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 22:26:25,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 22:26:25,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 22:26:25,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 22:26:25,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 22:26:25,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 22:26:25,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf [2021-06-06 22:26:25,261 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 22:26:25,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 22:26:25,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 22:26:25,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 22:26:25,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 22:26:25,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 22:26:25,265 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 22:26:25,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 22:26:25,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 22:26:25,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 22:26:25,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 22:26:25,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 22:26:25,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 22:26:25,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 22:26:25,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 22:26:25,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 22:26:25,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 22:26:25,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 22:26:25,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 22:26:25,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 22:26:25,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 22:26:25,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 22:26:25,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 22:26:25,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:26:25,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 22:26:25,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 22:26:25,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 22:26:25,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 22:26:25,268 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 22:26:25,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 22:26:25,268 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 22:26:25,268 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 22:26:25,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 22:26:25,269 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 22:26:25,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 22:26:25,269 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 22:26:25,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 22:26:25,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 22:26:25,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 22:26:25,595 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 22:26:25,596 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 22:26:25,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl [2021-06-06 22:26:25,597 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl' [2021-06-06 22:26:25,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 22:26:25,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 22:26:25,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 22:26:25,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 22:26:25,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 22:26:25,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/1) ... [2021-06-06 22:26:25,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/1) ... [2021-06-06 22:26:25,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 22:26:25,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 22:26:25,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 22:26:25,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 22:26:25,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/1) ... [2021-06-06 22:26:25,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/1) ... [2021-06-06 22:26:25,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/1) ... [2021-06-06 22:26:25,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/1) ... [2021-06-06 22:26:25,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/1) ... [2021-06-06 22:26:25,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/1) ... [2021-06-06 22:26:25,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/1) ... [2021-06-06 22:26:25,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 22:26:25,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 22:26:25,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 22:26:25,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 22:26:25,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:26:25,723 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 22:26:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 22:26:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 22:26:25,724 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 22:26:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 22:26:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 22:26:25,724 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 22:26:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 22:26:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 22:26:25,724 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 22:26:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 22:26:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 22:26:25,725 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 22:26:25,899 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 22:26:25,899 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 22:26:25,900 INFO L202 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:26:25 BoogieIcfgContainer [2021-06-06 22:26:25,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 22:26:25,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 22:26:25,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 22:26:25,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 22:26:25,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:25" (1/2) ... [2021-06-06 22:26:25,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431b9e9a and model type three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:26:25, skipping insertion in model container [2021-06-06 22:26:25,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:26:25" (2/2) ... [2021-06-06 22:26:25,907 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum.wvr.bpl [2021-06-06 22:26:25,911 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 22:26:25,911 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 22:26:25,911 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 22:26:25,912 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 22:26:25,950 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 22:26:25,977 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 22:26:26,033 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 22:26:26,034 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 22:26:26,034 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 22:26:26,034 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 22:26:26,034 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 22:26:26,034 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 22:26:26,034 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 22:26:26,034 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 22:26:26,127 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:26,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:26,136 INFO L82 PathProgramCache]: Analyzing trace with hash 2136066383, now seen corresponding path program 1 times [2021-06-06 22:26:26,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:26,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579066533] [2021-06-06 22:26:26,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:26:26,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:26,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579066533] [2021-06-06 22:26:26,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579066533] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:26:26,372 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:26:26,372 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 22:26:26,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017860699] [2021-06-06 22:26:26,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 22:26:26,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:26,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 22:26:26,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-06 22:26:26,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:26,397 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:26,404 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 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) [2021-06-06 22:26:26,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:26,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:26,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 22:26:26,461 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:26,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:26,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1885062321, now seen corresponding path program 1 times [2021-06-06 22:26:26,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:26,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243579076] [2021-06-06 22:26:26,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:26,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:26,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243579076] [2021-06-06 22:26:26,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243579076] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:26,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472090797] [2021-06-06 22:26:26,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:26,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 22:26:26,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:26:26,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472090797] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:26:26,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 22:26:26,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2021-06-06 22:26:26,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598990991] [2021-06-06 22:26:26,704 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 22:26:26,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:26,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 22:26:26,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-06 22:26:26,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:26,706 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:26,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:26,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:26,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:26,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:26,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:26,978 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:26,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:26,979 INFO L82 PathProgramCache]: Analyzing trace with hash -777799665, now seen corresponding path program 2 times [2021-06-06 22:26:26,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:26,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071773895] [2021-06-06 22:26:26,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:27,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:27,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:27,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071773895] [2021-06-06 22:26:27,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071773895] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:27,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574788612] [2021-06-06 22:26:27,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:27,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:26:27,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:27,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 22:26:27,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:26:27,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574788612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:27,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:27,265 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-06-06 22:26:27,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862969585] [2021-06-06 22:26:27,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 22:26:27,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:27,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 22:26:27,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-06-06 22:26:27,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:27,268 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:27,268 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:27,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:27,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:27,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:27,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:27,797 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:27,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:27,797 INFO L82 PathProgramCache]: Analyzing trace with hash -325242255, now seen corresponding path program 3 times [2021-06-06 22:26:27,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:27,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599633772] [2021-06-06 22:26:27,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 22:26:27,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:27,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599633772] [2021-06-06 22:26:27,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599633772] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:27,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506879190] [2021-06-06 22:26:27,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:27,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 22:26:27,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:27,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 22:26:27,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:27,999 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 22:26:28,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506879190] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:28,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:28,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-06 22:26:28,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991993508] [2021-06-06 22:26:28,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 22:26:28,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:28,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 22:26:28,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-06 22:26:28,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:28,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:28,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 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) [2021-06-06 22:26:28,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:28,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:28,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:28,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:28,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:28,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:28,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:28,361 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:28,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:28,361 INFO L82 PathProgramCache]: Analyzing trace with hash -586670571, now seen corresponding path program 4 times [2021-06-06 22:26:28,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:28,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863666161] [2021-06-06 22:26:28,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:28,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:28,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863666161] [2021-06-06 22:26:28,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863666161] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:28,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987958341] [2021-06-06 22:26:28,934 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:28,985 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:26:28,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:28,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-06 22:26:28,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:29,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-06 22:26:29,103 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:29,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:29,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:29,116 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:47 [2021-06-06 22:26:29,204 INFO L446 ElimStorePlain]: Different costs {1=[v_C_11], 5=[A, B]} [2021-06-06 22:26:29,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:29,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-06 22:26:29,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:29,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:29,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:26:29,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-06 22:26:29,234 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:29,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:29,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:29,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:26:29,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2021-06-06 22:26:29,248 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:29,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:29,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:29,254 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:54, output treesize:20 [2021-06-06 22:26:29,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-06 22:26:29,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:29,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:29,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:29,329 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:5 [2021-06-06 22:26:29,369 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:29,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987958341] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:29,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:29,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 17 [2021-06-06 22:26:29,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387878770] [2021-06-06 22:26:29,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 22:26:29,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:29,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 22:26:29,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2021-06-06 22:26:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:29,372 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:29,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 17 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:29,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:29,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:29,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:29,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:29,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:29,956 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:29,957 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:29,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:29,957 INFO L82 PathProgramCache]: Analyzing trace with hash -358464431, now seen corresponding path program 5 times [2021-06-06 22:26:29,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:29,957 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226610587] [2021-06-06 22:26:29,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:30,081 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:30,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226610587] [2021-06-06 22:26:30,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226610587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:30,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897785521] [2021-06-06 22:26:30,082 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:30,125 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 22:26:30,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:30,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 22:26:30,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 22:26:30,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897785521] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:30,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:30,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2021-06-06 22:26:30,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637435409] [2021-06-06 22:26:30,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 22:26:30,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:30,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 22:26:30,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-06-06 22:26:30,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:30,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:30,235 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 13 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) [2021-06-06 22:26:30,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:30,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:30,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:30,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:30,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:30,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:30,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:30,972 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:30,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:30,973 INFO L82 PathProgramCache]: Analyzing trace with hash -46695049, now seen corresponding path program 6 times [2021-06-06 22:26:30,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:30,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118205362] [2021-06-06 22:26:30,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 22:26:31,051 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:31,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118205362] [2021-06-06 22:26:31,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118205362] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:31,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070366455] [2021-06-06 22:26:31,051 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:31,101 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 22:26:31,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:31,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 22:26:31,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-06-06 22:26:31,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070366455] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:31,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:31,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-06-06 22:26:31,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418833725] [2021-06-06 22:26:31,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 22:26:31,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:31,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 22:26:31,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-06-06 22:26:31,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:31,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:31,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:31,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:31,664 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:31,665 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:31,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:31,665 INFO L82 PathProgramCache]: Analyzing trace with hash -313045385, now seen corresponding path program 7 times [2021-06-06 22:26:31,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:31,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988028938] [2021-06-06 22:26:31,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-06 22:26:31,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:31,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988028938] [2021-06-06 22:26:31,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988028938] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:31,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117272423] [2021-06-06 22:26:31,726 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:31,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 22:26:31,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-06 22:26:31,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117272423] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:31,888 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:31,888 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-06-06 22:26:31,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683334135] [2021-06-06 22:26:31,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 22:26:31,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:31,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 22:26:31,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-06 22:26:31,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:31,889 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:31,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 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) [2021-06-06 22:26:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:31,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:32,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 22:26:32,297 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:32,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:32,297 INFO L82 PathProgramCache]: Analyzing trace with hash -769686187, now seen corresponding path program 8 times [2021-06-06 22:26:32,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:32,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386779698] [2021-06-06 22:26:32,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 22:26:32,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:32,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386779698] [2021-06-06 22:26:32,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386779698] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:32,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037778550] [2021-06-06 22:26:32,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:32,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:26:32,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:32,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 22:26:32,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 31 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 22:26:32,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037778550] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:32,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:32,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-06 22:26:32,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036162494] [2021-06-06 22:26:32,568 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 22:26:32,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:32,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 22:26:32,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-06-06 22:26:32,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:32,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:32,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 12 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) [2021-06-06 22:26:32,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:32,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:32,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:32,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:32,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:32,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:32,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:32,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:32,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:32,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:33,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:33,109 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:33,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:33,109 INFO L82 PathProgramCache]: Analyzing trace with hash 368324785, now seen corresponding path program 9 times [2021-06-06 22:26:33,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:33,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879931331] [2021-06-06 22:26:33,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:34,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:34,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879931331] [2021-06-06 22:26:34,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879931331] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:34,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378349180] [2021-06-06 22:26:34,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:34,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 22:26:34,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:34,200 WARN L261 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-06 22:26:34,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:34,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-06 22:26:34,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:34,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:34,627 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:26:34,627 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:69 [2021-06-06 22:26:34,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-06 22:26:34,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:34,747 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:34,749 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:26:34,749 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:80 [2021-06-06 22:26:34,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:34,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-06-06 22:26:34,872 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:34,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:34,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:26:34,901 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:98, output treesize:97 [2021-06-06 22:26:35,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-06-06 22:26:35,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:35,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:35,050 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:26:35,050 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:106, output treesize:105 [2021-06-06 22:26:35,584 INFO L446 ElimStorePlain]: Different costs {0=[v_C_16], 11=[A, B]} [2021-06-06 22:26:35,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2021-06-06 22:26:35,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:35,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:35,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,670 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:35,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 82 [2021-06-06 22:26:35,683 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 22:26:35,736 INFO L628 ElimStorePlain]: treesize reduction 64, result has 55.6 percent of original size [2021-06-06 22:26:35,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:35,763 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:35,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 66 [2021-06-06 22:26:35,774 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 22:26:35,789 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:35,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:35,800 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:117, output treesize:40 [2021-06-06 22:26:36,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 8 [2021-06-06 22:26:36,222 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:36,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-06-06 22:26:36,226 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:36,273 INFO L628 ElimStorePlain]: treesize reduction 3, result has 87.0 percent of original size [2021-06-06 22:26:36,275 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 22:26:36,275 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:74, output treesize:20 [2021-06-06 22:26:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:36,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378349180] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:36,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:36,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 42 [2021-06-06 22:26:36,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067621328] [2021-06-06 22:26:36,393 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 22:26:36,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:36,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 22:26:36,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1664, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 22:26:36,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:36,395 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:36,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.2325581395348837) internal successors, (96), 42 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:36,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:36,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:36,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:36,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:36,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:36,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:36,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:36,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:36,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:36,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:38,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:38,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:38,782 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:38,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:38,783 INFO L82 PathProgramCache]: Analyzing trace with hash -844789771, now seen corresponding path program 10 times [2021-06-06 22:26:38,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:38,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367418363] [2021-06-06 22:26:38,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 25 proven. 59 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 22:26:38,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:38,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367418363] [2021-06-06 22:26:38,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367418363] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:38,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962571245] [2021-06-06 22:26:38,902 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:38,944 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:26:38,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:38,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 22:26:38,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 45 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-06-06 22:26:39,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962571245] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:39,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:39,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2021-06-06 22:26:39,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905964829] [2021-06-06 22:26:39,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-06 22:26:39,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:39,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-06 22:26:39,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2021-06-06 22:26:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:39,206 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:39,206 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.0714285714285716) internal successors, (86), 27 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:39,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:39,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:39,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:39,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:39,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:39,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:39,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:39,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:39,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:39,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:39,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:41,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:41,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:41,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 22:26:41,701 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:41,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:41,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1725740489, now seen corresponding path program 11 times [2021-06-06 22:26:41,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:41,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833350026] [2021-06-06 22:26:41,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:41,820 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-06-06 22:26:41,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:41,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833350026] [2021-06-06 22:26:41,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833350026] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:41,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741794505] [2021-06-06 22:26:41,821 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:41,885 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-06 22:26:41,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:41,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 22:26:41,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-06-06 22:26:42,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741794505] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:42,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:42,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10] total 24 [2021-06-06 22:26:42,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969747391] [2021-06-06 22:26:42,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 22:26:42,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:42,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 22:26:42,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2021-06-06 22:26:42,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:42,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:42,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.72) internal successors, (93), 24 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:42,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:42,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:42,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:42,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:42,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:42,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:42,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:43,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:43,397 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:43,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:43,397 INFO L82 PathProgramCache]: Analyzing trace with hash -350353295, now seen corresponding path program 12 times [2021-06-06 22:26:43,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:43,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940460587] [2021-06-06 22:26:43,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-06-06 22:26:43,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:43,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940460587] [2021-06-06 22:26:43,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940460587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:43,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590217486] [2021-06-06 22:26:43,573 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:43,635 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-06 22:26:43,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:43,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 22:26:43,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 49 proven. 85 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-06-06 22:26:43,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590217486] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:43,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:43,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-06 22:26:43,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532689728] [2021-06-06 22:26:43,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 22:26:43,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:43,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 22:26:43,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2021-06-06 22:26:43,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:43,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:43,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 18 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) [2021-06-06 22:26:43,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:43,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:43,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:43,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:43,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:43,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:43,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:43,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:43,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:43,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:43,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:43,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:43,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:44,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:44,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:44,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:44,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:44,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-06-06 22:26:44,710 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:44,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:44,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1345353707, now seen corresponding path program 13 times [2021-06-06 22:26:44,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:44,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397775063] [2021-06-06 22:26:44,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:46,005 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:46,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397775063] [2021-06-06 22:26:46,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397775063] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:46,005 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979851772] [2021-06-06 22:26:46,005 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:46,068 WARN L261 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 111 conjunts are in the unsatisfiable core [2021-06-06 22:26:46,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:46,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-06-06 22:26:46,700 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:46,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:46,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:46,717 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:108, output treesize:107 [2021-06-06 22:26:46,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:46,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-06-06 22:26:46,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:46,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:46,819 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:46,819 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2021-06-06 22:26:46,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:46,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:46,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:46,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2021-06-06 22:26:46,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:46,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:46,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:46,934 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:142, output treesize:141 [2021-06-06 22:26:47,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 72 [2021-06-06 22:26:47,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:47,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,106 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:159, output treesize:158 [2021-06-06 22:26:47,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 92 [2021-06-06 22:26:47,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:47,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,258 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:176, output treesize:175 [2021-06-06 22:26:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 112 [2021-06-06 22:26:47,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:47,425 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,425 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:193, output treesize:192 [2021-06-06 22:26:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 132 [2021-06-06 22:26:47,572 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:47,606 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,606 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2021-06-06 22:26:47,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 114 [2021-06-06 22:26:47,792 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 118 [2021-06-06 22:26:47,839 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:47,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:47,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 79 [2021-06-06 22:26:47,870 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:47,876 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:47,876 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:222, output treesize:53 [2021-06-06 22:26:48,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-06-06 22:26:48,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:48,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:48,507 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:48,507 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:5 [2021-06-06 22:26:48,549 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:48,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979851772] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:48,549 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:48,550 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2021-06-06 22:26:48,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031766151] [2021-06-06 22:26:48,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-06 22:26:48,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:48,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-06 22:26:48,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2425, Unknown=0, NotChecked=0, Total=2550 [2021-06-06 22:26:48,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:48,551 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:48,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 2.6862745098039214) internal successors, (137), 50 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:49,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:50,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:50,185 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:50,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:50,185 INFO L82 PathProgramCache]: Analyzing trace with hash 2020394355, now seen corresponding path program 14 times [2021-06-06 22:26:50,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:50,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031698250] [2021-06-06 22:26:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 64 proven. 96 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-06-06 22:26:50,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:50,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031698250] [2021-06-06 22:26:50,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031698250] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:50,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198864307] [2021-06-06 22:26:50,355 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:50,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:26:50,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:50,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 22:26:50,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 79 proven. 81 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-06-06 22:26:50,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198864307] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:50,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:50,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-06-06 22:26:50,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256146776] [2021-06-06 22:26:50,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 22:26:50,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:50,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 22:26:50,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-06-06 22:26:50,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:50,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:50,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.857142857142857) internal successors, (60), 20 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) [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:26:51,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-06 22:26:51,565 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:51,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1115677513, now seen corresponding path program 15 times [2021-06-06 22:26:51,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:51,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613480797] [2021-06-06 22:26:51,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 49 proven. 124 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-06-06 22:26:51,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:51,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613480797] [2021-06-06 22:26:51,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613480797] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:51,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277366455] [2021-06-06 22:26:51,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:51,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-06 22:26:51,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:51,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 22:26:51,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 64 proven. 109 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-06-06 22:26:51,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277366455] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:51,994 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:51,994 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-06-06 22:26:51,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218697046] [2021-06-06 22:26:51,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 22:26:51,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:51,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 22:26:51,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-06-06 22:26:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:51,996 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:51,996 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 20 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:51,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:26:51,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:52,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:26:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:26:52,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:52,973 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:52,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:52,973 INFO L82 PathProgramCache]: Analyzing trace with hash 862242319, now seen corresponding path program 16 times [2021-06-06 22:26:52,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:52,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411272672] [2021-06-06 22:26:52,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 100 proven. 81 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-06-06 22:26:53,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:53,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411272672] [2021-06-06 22:26:53,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411272672] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:53,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548966117] [2021-06-06 22:26:53,076 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:53,134 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:26:53,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:53,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 22:26:53,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 100 proven. 81 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-06-06 22:26:53,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548966117] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:53,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:53,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 13 [2021-06-06 22:26:53,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154255455] [2021-06-06 22:26:53,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 22:26:53,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:53,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 22:26:53,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-06-06 22:26:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:53,266 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:53,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:53,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:26:53,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:26:53,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:26:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:26:53,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:26:54,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-06 22:26:54,017 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:54,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:54,018 INFO L82 PathProgramCache]: Analyzing trace with hash -28069263, now seen corresponding path program 17 times [2021-06-06 22:26:54,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:54,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681893605] [2021-06-06 22:26:54,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:54,243 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 64 proven. 153 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-06-06 22:26:54,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:54,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681893605] [2021-06-06 22:26:54,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681893605] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:54,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327281202] [2021-06-06 22:26:54,244 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:54,331 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-06 22:26:54,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:54,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 22:26:54,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 81 proven. 136 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-06-06 22:26:54,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327281202] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:54,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:54,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-06-06 22:26:54,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21760734] [2021-06-06 22:26:54,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 22:26:54,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:54,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 22:26:54,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-06-06 22:26:54,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:54,499 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:54,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 22 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:54,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:54,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:54,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:54,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:54,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:54,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:54,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:54,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:54,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:54,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:54,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:54,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:54,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:54,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:54,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:26:54,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:26:54,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:26:54,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:26:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:26:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:26:55,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-06 22:26:55,617 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:55,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:55,617 INFO L82 PathProgramCache]: Analyzing trace with hash 566337045, now seen corresponding path program 18 times [2021-06-06 22:26:55,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:55,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38745122] [2021-06-06 22:26:55,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:57,345 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:57,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:57,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38745122] [2021-06-06 22:26:57,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38745122] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:57,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455358129] [2021-06-06 22:26:57,346 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:57,423 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-06 22:26:57,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:57,426 WARN L261 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 147 conjunts are in the unsatisfiable core [2021-06-06 22:26:57,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:58,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-06 22:26:58,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:58,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:58,660 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 22:26:58,660 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:107, output treesize:106 [2021-06-06 22:26:58,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-06 22:26:58,819 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:58,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:58,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 22:26:58,857 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:112, output treesize:111 [2021-06-06 22:26:59,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-06-06 22:26:59,073 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:59,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:59,116 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 22:26:59,116 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:128 [2021-06-06 22:26:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 66 [2021-06-06 22:26:59,300 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:59,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:59,338 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 22:26:59,339 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:146, output treesize:145 [2021-06-06 22:26:59,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 86 [2021-06-06 22:26:59,541 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:59,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:59,597 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 22:26:59,597 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:163, output treesize:162 [2021-06-06 22:26:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:26:59,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 106 [2021-06-06 22:26:59,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:59,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:59,888 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 22:26:59,888 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:180, output treesize:179 [2021-06-06 22:27:00,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 126 [2021-06-06 22:27:00,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:00,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:00,272 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:00,272 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:197, output treesize:196 [2021-06-06 22:27:00,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:00,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 146 [2021-06-06 22:27:00,686 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:00,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:00,759 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:00,759 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:214, output treesize:213 [2021-06-06 22:27:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:01,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 166 [2021-06-06 22:27:01,060 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:01,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:01,133 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:01,133 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:234, output treesize:233 [2021-06-06 22:27:02,379 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2021-06-06 22:27:02,406 INFO L446 ElimStorePlain]: Different costs {44=[v_C_34], 125=[A, B]} [2021-06-06 22:27:02,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 180 [2021-06-06 22:27:02,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:02,544 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:02,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 45 disjoint index pairs (out of 153 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 132 [2021-06-06 22:27:02,612 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:02,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:02,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:02,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 45 disjoint index pairs (out of 153 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 89 [2021-06-06 22:27:02,699 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:02,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:02,721 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:02,721 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:250, output treesize:70 [2021-06-06 22:27:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:05,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:05,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:05,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:05,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:05,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:05,262 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-06-06 22:27:05,262 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:05,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 51 disjoint index pairs (out of 153 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 87 treesize of output 319 [2021-06-06 22:27:05,388 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-06 22:27:05,410 INFO L628 ElimStorePlain]: treesize reduction 5, result has 84.8 percent of original size [2021-06-06 22:27:05,415 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:27:05,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:109, output treesize:40 [2021-06-06 22:27:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 49 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:05,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455358129] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:05,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:05,636 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 38] total 68 [2021-06-06 22:27:05,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531028942] [2021-06-06 22:27:05,636 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-06-06 22:27:05,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:05,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-06-06 22:27:05,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=4487, Unknown=0, NotChecked=0, Total=4692 [2021-06-06 22:27:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:05,638 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:05,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 2.4057971014492754) internal successors, (166), 68 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:05,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:05,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:05,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:05,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:08,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:08,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:08,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-06 22:27:08,237 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:08,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:08,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1518411507, now seen corresponding path program 19 times [2021-06-06 22:27:08,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:08,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508268424] [2021-06-06 22:27:08,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 100 proven. 140 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-06-06 22:27:08,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:08,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508268424] [2021-06-06 22:27:08,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508268424] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:08,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464468322] [2021-06-06 22:27:08,484 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:08,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 22:27:08,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 119 proven. 121 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-06-06 22:27:08,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464468322] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:08,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:08,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 24 [2021-06-06 22:27:08,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635904291] [2021-06-06 22:27:08,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 22:27:08,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:08,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 22:27:08,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2021-06-06 22:27:08,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:08,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:08,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.72) internal successors, (68), 24 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) [2021-06-06 22:27:08,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:08,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:08,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:08,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:09,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:09,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:09,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:27:10,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-06-06 22:27:10,121 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:10,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:10,121 INFO L82 PathProgramCache]: Analyzing trace with hash -18336969, now seen corresponding path program 20 times [2021-06-06 22:27:10,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:10,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799534681] [2021-06-06 22:27:10,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 81 proven. 185 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-06-06 22:27:10,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:10,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799534681] [2021-06-06 22:27:10,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799534681] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:10,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074465948] [2021-06-06 22:27:10,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:10,434 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:27:10,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:10,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 22:27:10,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 144 proven. 121 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-06-06 22:27:10,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074465948] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:10,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:10,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14] total 36 [2021-06-06 22:27:10,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186314361] [2021-06-06 22:27:10,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 22:27:10,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:10,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 22:27:10,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1095, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 22:27:10,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:10,803 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:10,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.4864864864864864) internal successors, (129), 36 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:10,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:27:10,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:12,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:27:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:27:13,147 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-06-06 22:27:13,147 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:13,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:13,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1637333105, now seen corresponding path program 21 times [2021-06-06 22:27:13,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:13,148 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661276592] [2021-06-06 22:27:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 100 proven. 220 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-06-06 22:27:13,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:13,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661276592] [2021-06-06 22:27:13,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661276592] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:13,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492024092] [2021-06-06 22:27:13,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:13,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-06-06 22:27:13,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:13,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 22:27:13,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 121 proven. 211 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-06-06 22:27:13,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492024092] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:13,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:13,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-06-06 22:27:13,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675117301] [2021-06-06 22:27:13,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 22:27:13,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:13,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 22:27:13,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=1146, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 22:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:13,925 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:13,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.736842105263158) internal successors, (104), 37 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:27:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:27:13,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:23,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:27:23,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:27:23,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:27:23,374 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:23,374 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:23,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:23,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1704047531, now seen corresponding path program 22 times [2021-06-06 22:27:23,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:23,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033319406] [2021-06-06 22:27:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 45 proven. 24 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-06-06 22:27:23,414 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:23,414 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033319406] [2021-06-06 22:27:23,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033319406] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:23,414 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689976044] [2021-06-06 22:27:23,414 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:23,510 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:27:23,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:23,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 22:27:23,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 233 proven. 133 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-06-06 22:27:23,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689976044] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:23,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:23,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 24] total 29 [2021-06-06 22:27:23,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307251407] [2021-06-06 22:27:23,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 22:27:23,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:23,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 22:27:23,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=634, Unknown=0, NotChecked=0, Total=812 [2021-06-06 22:27:23,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:23,942 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:23,942 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.4482758620689653) internal successors, (100), 29 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:27:23,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:23,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:23,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:27:23,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:27:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:27:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:27:27,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:27,365 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:27,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:27,366 INFO L82 PathProgramCache]: Analyzing trace with hash -708635121, now seen corresponding path program 23 times [2021-06-06 22:27:27,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:27,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796081519] [2021-06-06 22:27:27,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 169 proven. 144 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-06-06 22:27:27,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:27,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796081519] [2021-06-06 22:27:27,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796081519] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:27,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530966649] [2021-06-06 22:27:27,507 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:27,612 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2021-06-06 22:27:27,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:27,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-06 22:27:27,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 169 proven. 144 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-06-06 22:27:27,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530966649] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:27,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:27,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 16 [2021-06-06 22:27:27,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147798237] [2021-06-06 22:27:27,767 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 22:27:27,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:27,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 22:27:27,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2021-06-06 22:27:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:27,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:27,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 16 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:27:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:27,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:27,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:27,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:27,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:27:27,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:27:27,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:27:27,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:27:27,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:27:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:27:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:27:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:27:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:27:29,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:29,581 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:29,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:29,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1479244913, now seen corresponding path program 24 times [2021-06-06 22:27:29,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:29,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136783388] [2021-06-06 22:27:29,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 100 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:33,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:33,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136783388] [2021-06-06 22:27:33,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136783388] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:33,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935749019] [2021-06-06 22:27:33,566 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:33,671 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-06-06 22:27:33,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:33,674 WARN L261 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 185 conjunts are in the unsatisfiable core [2021-06-06 22:27:33,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:35,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-06-06 22:27:35,066 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:35,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:35,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:35,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:130, output treesize:129 [2021-06-06 22:27:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-06-06 22:27:35,248 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:35,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:35,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:35,277 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:147, output treesize:146 [2021-06-06 22:27:35,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2021-06-06 22:27:35,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:35,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:35,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:35,497 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:158, output treesize:157 [2021-06-06 22:27:35,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 72 [2021-06-06 22:27:35,693 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:35,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:35,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:35,731 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:175, output treesize:174 [2021-06-06 22:27:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:35,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 92 [2021-06-06 22:27:35,939 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:35,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:35,984 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:35,984 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:192, output treesize:191 [2021-06-06 22:27:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 112 [2021-06-06 22:27:36,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:36,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:36,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:36,260 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:209, output treesize:208 [2021-06-06 22:27:36,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 132 [2021-06-06 22:27:36,523 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:36,588 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:36,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:36,592 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:226, output treesize:225 [2021-06-06 22:27:36,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:36,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 152 [2021-06-06 22:27:36,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:36,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:36,970 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:36,970 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:243, output treesize:242 [2021-06-06 22:27:37,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 172 [2021-06-06 22:27:37,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:37,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:37,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:37,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:260, output treesize:259 [2021-06-06 22:27:37,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:37,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 192 [2021-06-06 22:27:37,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:37,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:37,755 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:37,755 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:277, output treesize:276 [2021-06-06 22:27:38,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 212 [2021-06-06 22:27:38,091 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:38,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:38,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:38,162 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:294, output treesize:293 [2021-06-06 22:27:38,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:38,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 232 [2021-06-06 22:27:38,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:38,634 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-06-06 22:27:38,634 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:38,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:38,636 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:314, output treesize:313 [2021-06-06 22:27:41,562 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-06 22:27:42,058 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 152 [2021-06-06 22:27:45,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,288 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:45,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 114 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 6 case distinctions, treesize of input 191 treesize of output 193 [2021-06-06 22:27:45,393 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:45,568 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-06-06 22:27:45,569 INFO L628 ElimStorePlain]: treesize reduction 305, result has 39.4 percent of original size [2021-06-06 22:27:45,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:45,672 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:45,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 114 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 6 case distinctions, treesize of input 139 treesize of output 141 [2021-06-06 22:27:45,704 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 22:27:45,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:45,889 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 25 [2021-06-06 22:27:45,890 INFO L354 Elim1Store]: treesize reduction 444, result has 8.3 percent of original size [2021-06-06 22:27:45,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 78 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 42 case distinctions, treesize of input 102 treesize of output 146 [2021-06-06 22:27:45,898 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:45,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:45,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:27:45,936 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:296, output treesize:113 [2021-06-06 22:27:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:47,215 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-06-06 22:27:47,215 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:47,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 90 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 46 case distinctions, treesize of input 93 treesize of output 469 [2021-06-06 22:27:47,927 INFO L550 ElimStorePlain]: Start of recursive call 2: 45 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-06 22:27:47,938 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:47,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:27:47,940 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:37 [2021-06-06 22:27:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:48,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935749019] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:48,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:48,238 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 50] total 90 [2021-06-06 22:27:48,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884415621] [2021-06-06 22:27:48,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-06-06 22:27:48,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:48,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-06-06 22:27:48,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=716, Invalid=7474, Unknown=0, NotChecked=0, Total=8190 [2021-06-06 22:27:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:48,241 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:48,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 91 states, 91 states have (on average 2.241758241758242) internal successors, (204), 90 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:48,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:27:48,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:27:48,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:27:48,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:27:48,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:27:48,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:52,966 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2021-06-06 22:27:53,358 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 164 [2021-06-06 22:28:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:28:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:28:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:28:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:28:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:28:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:28:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:28:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:28:09,641 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2021-06-06 22:28:09,641 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:28:09,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:28:09,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1951917559, now seen corresponding path program 25 times [2021-06-06 22:28:09,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:28:09,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092682448] [2021-06-06 22:28:09,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:28:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:28:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 144 proven. 352 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:28:10,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:28:10,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092682448] [2021-06-06 22:28:10,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092682448] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:28:10,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551472581] [2021-06-06 22:28:10,028 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:28:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:28:10,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-06 22:28:10,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:28:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 729 proven. 196 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-06-06 22:28:10,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551472581] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:28:10,959 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:28:10,959 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 57 [2021-06-06 22:28:10,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976899114] [2021-06-06 22:28:10,960 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-06 22:28:10,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:28:10,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-06 22:28:10,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=633, Invalid=2673, Unknown=0, NotChecked=0, Total=3306 [2021-06-06 22:28:10,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:28:10,961 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:28:10,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 3.1206896551724137) internal successors, (181), 57 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:28:10,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:28:10,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:28:10,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:28:10,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:28:10,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:28:10,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:10,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:28:10,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:10,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:10,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:28:10,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:28:17,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:28:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:28:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:28:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:28:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:28:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:28:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:28:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:28:17,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable437 [2021-06-06 22:28:17,949 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:28:17,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:28:17,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1444224211, now seen corresponding path program 26 times [2021-06-06 22:28:17,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:28:17,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854598551] [2021-06-06 22:28:17,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:28:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:28:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 169 proven. 396 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:28:18,369 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:28:18,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854598551] [2021-06-06 22:28:18,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854598551] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:28:18,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510420860] [2021-06-06 22:28:18,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:28:18,449 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:28:18,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:28:18,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-06 22:28:18,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:28:19,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 278 proven. 566 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-06-06 22:28:19,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510420860] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:28:19,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:28:19,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 18] total 48 [2021-06-06 22:28:19,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805021796] [2021-06-06 22:28:19,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-06 22:28:19,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:28:19,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-06 22:28:19,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=411, Invalid=1941, Unknown=0, NotChecked=0, Total=2352 [2021-06-06 22:28:19,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:28:19,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:28:19,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 3.4285714285714284) internal successors, (168), 48 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:28:19,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:28:19,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:28:19,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:28:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:28:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:28:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:28:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:28:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:28:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:28:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:28:27,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:28:27,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:28:27,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:28:27,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:28:27,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:28:27,610 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable438 [2021-06-06 22:28:27,610 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:28:27,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:28:27,611 INFO L82 PathProgramCache]: Analyzing trace with hash -238239685, now seen corresponding path program 27 times [2021-06-06 22:28:27,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:28:27,611 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946229544] [2021-06-06 22:28:27,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:28:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:28:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1315 backedges. 196 proven. 443 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:28:28,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:28:28,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946229544] [2021-06-06 22:28:28,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946229544] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:28:28,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138087336] [2021-06-06 22:28:28,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:28:28,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-06-06 22:28:28,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:28:28,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-06 22:28:28,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:28:28,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1315 backedges. 225 proven. 414 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:28:28,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138087336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:28:28,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:28:28,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 34 [2021-06-06 22:28:28,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454799901] [2021-06-06 22:28:28,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-06 22:28:28,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:28:28,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-06 22:28:28,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=882, Unknown=0, NotChecked=0, Total=1190 [2021-06-06 22:28:28,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:28:28,392 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:28:28,392 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.8857142857142857) internal successors, (101), 34 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:28:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:28:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:28:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:28:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:28:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:28:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:28:28,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:28:28,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:28:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:28:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:28:36,363 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable439,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:28:36,363 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:28:36,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:28:36,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1441612811, now seen corresponding path program 28 times [2021-06-06 22:28:36,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:28:36,364 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697167464] [2021-06-06 22:28:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:28:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:28:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1361 backedges. 729 proven. 256 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-06-06 22:28:36,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:28:36,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697167464] [2021-06-06 22:28:36,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697167464] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:28:36,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126314557] [2021-06-06 22:28:36,677 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:28:36,766 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:28:36,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:28:36,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-06 22:28:36,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:28:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1361 backedges. 729 proven. 256 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-06-06 22:28:37,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126314557] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:28:37,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:28:37,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29] total 30 [2021-06-06 22:28:37,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105094539] [2021-06-06 22:28:37,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 22:28:37,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:28:37,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 22:28:37,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=503, Unknown=0, NotChecked=0, Total=930 [2021-06-06 22:28:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:28:37,063 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:28:37,063 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.5483870967741935) internal successors, (110), 30 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:28:37,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:28:37,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:28:37,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:28:37,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:28:37,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:28:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:28:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:28:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:28:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:28:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:28:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:43,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable440,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:28:43,949 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:28:43,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:28:43,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1052169449, now seen corresponding path program 29 times [2021-06-06 22:28:43,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:28:43,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772559502] [2021-06-06 22:28:43,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:28:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:28:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 225 proven. 493 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:28:44,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:28:44,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772559502] [2021-06-06 22:28:44,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772559502] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:28:44,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535160373] [2021-06-06 22:28:44,497 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:28:44,743 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2021-06-06 22:28:44,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:28:44,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-06 22:28:44,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:28:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 256 proven. 776 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-06-06 22:28:45,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535160373] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:28:45,309 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:28:45,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-06-06 22:28:45,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262131878] [2021-06-06 22:28:45,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-06 22:28:45,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:28:45,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-06 22:28:45,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2021-06-06 22:28:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:28:45,310 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:28:45,310 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.641509433962264) internal successors, (140), 52 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:28:45,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:28:45,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:29:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:29:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:29:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:29:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:29:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:29:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:29:23,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:29:23,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable441,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:29:23,600 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:29:23,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:29:23,600 INFO L82 PathProgramCache]: Analyzing trace with hash 626916231, now seen corresponding path program 30 times [2021-06-06 22:29:23,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:29:23,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428140580] [2021-06-06 22:29:23,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:29:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:29:24,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 554 proven. 289 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2021-06-06 22:29:24,233 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:29:24,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428140580] [2021-06-06 22:29:24,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428140580] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:29:24,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126202670] [2021-06-06 22:29:24,233 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:29:24,408 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2021-06-06 22:29:24,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:29:24,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 22:29:24,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:29:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 342 proven. 604 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2021-06-06 22:29:25,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126202670] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:29:25,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:29:25,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 20] total 57 [2021-06-06 22:29:25,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028726598] [2021-06-06 22:29:25,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-06 22:29:25,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:29:25,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-06 22:29:25,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=2750, Unknown=0, NotChecked=0, Total=3306 [2021-06-06 22:29:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:29:25,129 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:29:25,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 3.2241379310344827) internal successors, (187), 57 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:29:25,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:29:25,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:29:25,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:29:25,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:29:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:29:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:29:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:29:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:29:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:29:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:29:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:29:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:29:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:29:56,061 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable442 [2021-06-06 22:29:56,061 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:29:56,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:29:56,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1190121061, now seen corresponding path program 31 times [2021-06-06 22:29:56,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:29:56,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821752648] [2021-06-06 22:29:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:29:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:29:56,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 729 proven. 324 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-06-06 22:29:56,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:29:56,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821752648] [2021-06-06 22:29:56,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821752648] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:29:56,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909371422] [2021-06-06 22:29:56,371 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 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 [2021-06-06 22:29:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:29:56,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-06 22:29:56,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:29:56,628 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2021-06-06 22:29:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 729 proven. 324 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-06-06 22:29:56,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909371422] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:29:56,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:29:56,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29] total 30 [2021-06-06 22:29:56,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748110077] [2021-06-06 22:29:56,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 22:29:56,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:29:56,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 22:29:56,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=501, Unknown=0, NotChecked=0, Total=930 [2021-06-06 22:29:56,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:29:56,837 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:29:56,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.6774193548387095) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:29:56,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:29:56,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:29:56,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:29:56,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:29:56,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:29:56,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:29:56,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:29:56,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:29:56,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:29:56,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:29:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:29:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:29:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:29:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:29:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:29:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:29:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:29:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:29:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:30:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:30:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:30:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:30:20,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable443 [2021-06-06 22:30:20,345 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:30:20,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:30:20,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1264083395, now seen corresponding path program 32 times [2021-06-06 22:30:20,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:30:20,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619845686] [2021-06-06 22:30:20,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:30:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:30:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 289 proven. 602 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:30:20,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:30:20,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619845686] [2021-06-06 22:30:20,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619845686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:30:20,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65846495] [2021-06-06 22:30:20,930 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 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 [2021-06-06 22:30:21,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:30:21,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:30:21,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 22:30:21,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:30:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 414 proven. 634 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2021-06-06 22:30:21,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65846495] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:30:21,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:30:21,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 22] total 60 [2021-06-06 22:30:21,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805339526] [2021-06-06 22:30:21,732 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-06-06 22:30:21,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:30:21,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-06-06 22:30:21,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=633, Invalid=3027, Unknown=0, NotChecked=0, Total=3660 [2021-06-06 22:30:21,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:30:21,734 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:30:21,734 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 3.3442622950819674) internal successors, (204), 60 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:30:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:30:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:30:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:30:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:30:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:30:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:30:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:30:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:30:21,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:30:21,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:30:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:30:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:30:21,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:30:52,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:30:52,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:30:52,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:30:52,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:30:52,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:30:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:30:52,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:30:52,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-06 22:30:52,545 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:30:52,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:30:52,546 INFO L82 PathProgramCache]: Analyzing trace with hash -883774235, now seen corresponding path program 33 times [2021-06-06 22:30:52,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:30:52,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091593143] [2021-06-06 22:30:52,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:30:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:30:53,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 324 proven. 661 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:30:53,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:30:53,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091593143] [2021-06-06 22:30:53,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091593143] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:30:53,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924210687] [2021-06-06 22:30:53,206 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 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 [2021-06-06 22:30:53,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2021-06-06 22:30:53,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:30:53,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 22:30:53,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:30:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 361 proven. 624 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:30:53,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924210687] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:30:53,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:30:53,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 42 [2021-06-06 22:30:53,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308341592] [2021-06-06 22:30:53,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 22:30:53,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:30:53,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 22:30:53,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=464, Invalid=1342, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 22:30:53,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:30:53,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:30:53,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.813953488372093) internal successors, (121), 42 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:30:53,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:30:53,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:30:53,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:30:53,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:30:53,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:30:53,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:30:53,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:30:53,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:30:53,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:30:53,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:30:53,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:30:53,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:30:53,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:30:53,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:30:53,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:30:53,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:31:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:31:27,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable445 [2021-06-06 22:31:27,330 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:31:27,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:31:27,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1109582047, now seen corresponding path program 34 times [2021-06-06 22:31:27,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:31:27,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134943366] [2021-06-06 22:31:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:31:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:31:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 729 proven. 400 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2021-06-06 22:31:27,685 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:31:27,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134943366] [2021-06-06 22:31:27,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134943366] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:31:27,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994289673] [2021-06-06 22:31:27,685 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 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 [2021-06-06 22:31:27,781 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:31:27,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:31:27,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-06 22:31:27,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:31:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 729 proven. 400 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2021-06-06 22:31:28,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994289673] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:31:28,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:31:28,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29] total 30 [2021-06-06 22:31:28,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344736959] [2021-06-06 22:31:28,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 22:31:28,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:31:28,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 22:31:28,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=431, Invalid=499, Unknown=0, NotChecked=0, Total=930 [2021-06-06 22:31:28,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:31:28,035 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:31:28,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.806451612903226) internal successors, (118), 30 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:31:28,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:31:28,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:32:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:32:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:32:00,353 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable446,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:32:00,353 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:32:00,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:32:00,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1591973119, now seen corresponding path program 35 times [2021-06-06 22:32:00,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:32:00,354 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987245811] [2021-06-06 22:32:00,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:32:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:32:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 361 proven. 723 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:32:01,056 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:32:01,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987245811] [2021-06-06 22:32:01,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987245811] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:32:01,056 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141922259] [2021-06-06 22:32:01,056 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 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 [2021-06-06 22:32:01,330 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2021-06-06 22:32:01,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:32:01,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-06 22:32:01,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:32:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 494 proven. 656 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2021-06-06 22:32:02,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141922259] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:32:02,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:32:02,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 24] total 66 [2021-06-06 22:32:02,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64206398] [2021-06-06 22:32:02,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-06-06 22:32:02,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:32:02,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-06-06 22:32:02,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=762, Invalid=3660, Unknown=0, NotChecked=0, Total=4422 [2021-06-06 22:32:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:32:02,260 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:32:02,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 3.3134328358208953) internal successors, (222), 66 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:32:02,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:32:02,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:32:02,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:32:02,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:32:02,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:32:02,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:32:02,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:32:02,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:32:02,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:32:02,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:32:02,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:32:02,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:32:02,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:32:02,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:32:02,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:32:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:32:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-06-06 22:32:40,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable447 [2021-06-06 22:32:40,020 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:32:40,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:32:40,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1583189417, now seen corresponding path program 36 times [2021-06-06 22:32:40,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:32:40,020 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381537507] [2021-06-06 22:32:40,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:32:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:32:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1864 backedges. 400 proven. 788 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:32:40,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:32:40,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381537507] [2021-06-06 22:32:40,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381537507] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:32:40,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447535404] [2021-06-06 22:32:40,731 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 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 [2021-06-06 22:32:40,959 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2021-06-06 22:32:40,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:32:40,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-06 22:32:40,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:32:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1864 backedges. 729 proven. 484 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2021-06-06 22:32:42,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447535404] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:32:42,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:32:42,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 29] total 73 [2021-06-06 22:32:42,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783843874] [2021-06-06 22:32:42,150 INFO L462 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-06-06 22:32:42,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:32:42,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-06-06 22:32:42,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=937, Invalid=4465, Unknown=0, NotChecked=0, Total=5402 [2021-06-06 22:32:42,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:32:42,151 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:32:42,151 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 3.2027027027027026) internal successors, (237), 73 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:32:42,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:32:42,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:32:42,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:32:42,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:32:42,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:32:42,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:32:42,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:32:42,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-06-06 22:32:42,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:33:21,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:33:21,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:33:21,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:33:21,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:33:21,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:33:21,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:33:21,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:33:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-06-06 22:33:21,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:33:21,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable448 [2021-06-06 22:33:21,940 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:33:21,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:33:21,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1917489211, now seen corresponding path program 37 times [2021-06-06 22:33:21,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:33:21,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663968304] [2021-06-06 22:33:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:33:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:33:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1973 backedges. 441 proven. 856 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:33:22,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:33:22,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663968304] [2021-06-06 22:33:22,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663968304] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:33:22,889 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940451969] [2021-06-06 22:33:22,889 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 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 [2021-06-06 22:33:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:33:22,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 52 conjunts are in the unsatisfiable core [2021-06-06 22:33:22,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:33:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1973 backedges. 729 proven. 529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2021-06-06 22:33:24,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940451969] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:33:24,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:33:24,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 29] total 75 [2021-06-06 22:33:24,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644686339] [2021-06-06 22:33:24,006 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-06-06 22:33:24,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:33:24,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-06-06 22:33:24,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=984, Invalid=4716, Unknown=0, NotChecked=0, Total=5700 [2021-06-06 22:33:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:33:24,008 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:33:24,008 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 3.210526315789474) internal successors, (244), 75 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:33:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:33:24,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:34:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-06-06 22:34:07,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:34:07,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 22:34:07,941 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:34:07,942 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:34:07,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:34:07,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1073953171, now seen corresponding path program 38 times [2021-06-06 22:34:07,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:34:07,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063890234] [2021-06-06 22:34:07,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:34:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:34:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2087 backedges. 484 proven. 927 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:34:08,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:34:08,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063890234] [2021-06-06 22:34:08,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063890234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:34:08,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979606660] [2021-06-06 22:34:08,749 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 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 [2021-06-06 22:34:08,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:34:08,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:34:08,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-06 22:34:08,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:34:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2087 backedges. 629 proven. 674 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2021-06-06 22:34:10,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979606660] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:34:10,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:34:10,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 27] total 75 [2021-06-06 22:34:10,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504891810] [2021-06-06 22:34:10,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-06-06 22:34:10,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:34:10,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-06-06 22:34:10,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=978, Invalid=4722, Unknown=0, NotChecked=0, Total=5700 [2021-06-06 22:34:10,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:34:10,059 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:34:10,060 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 3.276315789473684) internal successors, (249), 75 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:34:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-06-06 22:34:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:34:10,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 22:34:10,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:35:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:35:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:35:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:35:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:35:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:35:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:35:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 22:35:09,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-06-06 22:35:09,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable450,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:35:09,662 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:35:09,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:35:09,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1399657335, now seen corresponding path program 39 times [2021-06-06 22:35:09,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:35:09,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772819583] [2021-06-06 22:35:09,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:35:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:35:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2206 backedges. 529 proven. 1001 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:35:10,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:35:10,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772819583] [2021-06-06 22:35:10,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772819583] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:35:10,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119526677] [2021-06-06 22:35:10,748 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 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 [2021-06-06 22:35:11,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2021-06-06 22:35:11,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:35:11,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-06 22:35:11,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:35:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2206 backedges. 576 proven. 954 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-06-06 22:35:11,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119526677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:35:11,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:35:11,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 52 [2021-06-06 22:35:11,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741074244] [2021-06-06 22:35:11,325 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-06 22:35:11,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:35:11,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-06 22:35:11,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=704, Invalid=2052, Unknown=0, NotChecked=0, Total=2756 [2021-06-06 22:35:11,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:35:11,326 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:35:11,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.7547169811320753) internal successors, (146), 52 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:35:11,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:35:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-06 22:35:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 22:35:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:35:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-06-06 22:35:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-06 22:35:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-06-06 22:35:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-06-06 22:35:11,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.