/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 08:51:22,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 08:51:22,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 08:51:22,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 08:51:22,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-10 08:51:22,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 08:51:22,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 08:51:22,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 08:51:22,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 08:51:22,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 08:51:22,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 08:51:22,259 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 08:51:22,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 08:51:22,259 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 08:51:22,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 08:51:22,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 08:51:22,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 08:51:22,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 08:51:22,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 08:51:22,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 08:51:22,260 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 08:51:22,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 08:51:22,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 08:51:22,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 08:51:22,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 08:51:22,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 08:51:22,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 08:51:22,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 08:51:22,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:51:22,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 08:51:22,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 08:51:22,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 08:51:22,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 08:51:22,262 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 08:51:22,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 08:51:22,262 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 08:51:22,262 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 08:51:22,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 08:51:22,262 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 08:51:22,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 08:51:22,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 08:51:22,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 08:51:22,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 08:51:22,542 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 08:51:22,543 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 08:51:22,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl [2021-07-10 08:51:22,543 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl' [2021-07-10 08:51:22,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 08:51:22,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 08:51:22,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 08:51:22,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 08:51:22,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 08:51:22,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/1) ... [2021-07-10 08:51:22,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/1) ... [2021-07-10 08:51:22,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 08:51:22,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 08:51:22,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 08:51:22,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 08:51:22,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/1) ... [2021-07-10 08:51:22,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/1) ... [2021-07-10 08:51:22,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/1) ... [2021-07-10 08:51:22,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/1) ... [2021-07-10 08:51:22,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/1) ... [2021-07-10 08:51:22,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/1) ... [2021-07-10 08:51:22,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/1) ... [2021-07-10 08:51:22,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 08:51:22,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 08:51:22,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 08:51:22,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 08:51:22,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 08:51:22,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 08:51:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 08:51:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 08:51:22,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 08:51:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 08:51:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 08:51:22,634 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 08:51:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 08:51:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 08:51:22,634 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 08:51:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 08:51:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 08:51:22,634 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-10 08:51:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-10 08:51:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-10 08:51:22,635 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 08:51:22,840 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 08:51:22,840 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 08:51:22,842 INFO L202 PluginConnector]: Adding new model min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:51:22 BoogieIcfgContainer [2021-07-10 08:51:22,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 08:51:22,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 08:51:22,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 08:51:22,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 08:51:22,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 08:51:22" (1/2) ... [2021-07-10 08:51:22,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54520111 and model type min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:51:22, skipping insertion in model container [2021-07-10 08:51:22,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:51:22" (2/2) ... [2021-07-10 08:51:22,846 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-dec.wvr.bpl [2021-07-10 08:51:22,863 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 08:51:22,863 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 08:51:22,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 08:51:22,863 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 08:51:22,918 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 08:51:22,932 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 08:51:22,966 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 08:51:22,966 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 08:51:22,966 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 08:51:22,966 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 08:51:22,966 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 08:51:22,966 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 08:51:22,966 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 08:51:22,966 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 08:51:23,089 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:23,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:23,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1480104984, now seen corresponding path program 1 times [2021-07-10 08:51:23,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:23,117 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884707484] [2021-07-10 08:51:23,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 08:51:23,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:23,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884707484] [2021-07-10 08:51:23,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884707484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:23,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544777734] [2021-07-10 08:51:23,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:23,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-10 08:51:23,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:23,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 08:51:23,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544777734] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:23,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:23,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 08:51:23,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158237912] [2021-07-10 08:51:23,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 08:51:23,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:23,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 08:51:23,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 08:51:23,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:23,435 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:23,437 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:23,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:23,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-10 08:51:23,793 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:23,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:23,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1531356126, now seen corresponding path program 2 times [2021-07-10 08:51:23,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:23,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061392241] [2021-07-10 08:51:23,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:23,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:51:23,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:23,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061392241] [2021-07-10 08:51:23,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061392241] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:23,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724725051] [2021-07-10 08:51:23,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:23,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:51:23,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:51:23,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-10 08:51:23,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:23,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 08:51:23,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:23,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:51:23,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:23,981 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-10 08:51:24,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 08:51:24,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724725051] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:24,013 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:24,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-10 08:51:24,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846339245] [2021-07-10 08:51:24,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 08:51:24,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:24,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 08:51:24,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-07-10 08:51:24,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:24,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:24,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:24,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:24,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:24,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:24,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:24,370 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:24,370 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:24,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:24,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1360729816, now seen corresponding path program 3 times [2021-07-10 08:51:24,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:24,371 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729769106] [2021-07-10 08:51:24,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:51:24,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:24,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729769106] [2021-07-10 08:51:24,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729769106] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:24,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12406112] [2021-07-10 08:51:24,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:24,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 08:51:24,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:51:24,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 08:51:24,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:51:24,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12406112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:24,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:24,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 08:51:24,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646163571] [2021-07-10 08:51:24,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 08:51:24,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:24,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 08:51:24,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-10 08:51:24,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:24,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:24,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:24,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:24,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:24,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:24,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:24,877 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:24,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:24,877 INFO L82 PathProgramCache]: Analyzing trace with hash 693987550, now seen corresponding path program 4 times [2021-07-10 08:51:24,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:24,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435052161] [2021-07-10 08:51:24,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 08:51:24,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:24,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435052161] [2021-07-10 08:51:24,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435052161] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:24,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257146522] [2021-07-10 08:51:24,932 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:24,996 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:51:24,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:51:24,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 08:51:24,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 08:51:25,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257146522] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:25,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:25,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-07-10 08:51:25,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993445243] [2021-07-10 08:51:25,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 08:51:25,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:25,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 08:51:25,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-07-10 08:51:25,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:25,064 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:25,065 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:25,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:25,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:25,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:25,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:25,503 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:25,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:25,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1680659328, now seen corresponding path program 5 times [2021-07-10 08:51:25,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:25,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010435094] [2021-07-10 08:51:25,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 08:51:25,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:25,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010435094] [2021-07-10 08:51:25,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010435094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:25,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371516387] [2021-07-10 08:51:25,688 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:25,798 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 08:51:25,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:51:25,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 08:51:25,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:25,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2021-07-10 08:51:25,838 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:25,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:51:25,841 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:25,841 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:11 [2021-07-10 08:51:25,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-10 08:51:25,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:25,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:51:25,866 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:25,866 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:9 [2021-07-10 08:51:25,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-10 08:51:25,909 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:25,913 INFO L628 ElimStorePlain]: treesize reduction 12, result has 29.4 percent of original size [2021-07-10 08:51:25,913 INFO L518 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2021-07-10 08:51:25,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:25,915 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:5 [2021-07-10 08:51:25,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 08:51:25,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371516387] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:25,938 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:25,938 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2021-07-10 08:51:25,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955284947] [2021-07-10 08:51:25,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 08:51:25,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:25,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 08:51:25,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-07-10 08:51:25,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:25,939 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:25,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 11 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:25,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:26,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:26,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:26,497 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:26,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:26,497 INFO L82 PathProgramCache]: Analyzing trace with hash 542925884, now seen corresponding path program 6 times [2021-07-10 08:51:26,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:26,498 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854166564] [2021-07-10 08:51:26,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 08:51:26,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:26,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854166564] [2021-07-10 08:51:26,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854166564] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:26,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596927556] [2021-07-10 08:51:26,572 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:26,645 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 08:51:26,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:51:26,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 08:51:26,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 08:51:26,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596927556] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:26,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:26,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 17 [2021-07-10 08:51:26,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63450272] [2021-07-10 08:51:26,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 08:51:26,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:26,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 08:51:26,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2021-07-10 08:51:26,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:26,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:26,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.222222222222222) internal successors, (76), 17 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:26,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:26,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:26,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:26,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:26,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:26,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:28,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:28,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:28,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:28,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:28,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:28,563 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:28,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:28,564 INFO L82 PathProgramCache]: Analyzing trace with hash -632760486, now seen corresponding path program 7 times [2021-07-10 08:51:28,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:28,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670106234] [2021-07-10 08:51:28,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 29 proven. 121 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-10 08:51:28,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:28,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670106234] [2021-07-10 08:51:28,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670106234] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:28,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899663413] [2021-07-10 08:51:28,667 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:28,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 08:51:28,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 66 proven. 84 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-10 08:51:28,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899663413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:28,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:28,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 15 [2021-07-10 08:51:28,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097047023] [2021-07-10 08:51:28,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 08:51:28,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:28,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 08:51:28,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-07-10 08:51:28,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:28,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:28,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 15 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:30,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:51:30,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-10 08:51:30,377 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:30,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:30,378 INFO L82 PathProgramCache]: Analyzing trace with hash -300525120, now seen corresponding path program 8 times [2021-07-10 08:51:30,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:30,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656911426] [2021-07-10 08:51:30,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:30,474 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 37 proven. 135 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-07-10 08:51:30,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:30,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656911426] [2021-07-10 08:51:30,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656911426] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:30,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130705683] [2021-07-10 08:51:30,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:30,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:51:30,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:51:30,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 08:51:30,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 37 proven. 143 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-10 08:51:30,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130705683] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:30,779 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:30,779 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-07-10 08:51:30,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510422764] [2021-07-10 08:51:30,779 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 08:51:30,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:30,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 08:51:30,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-07-10 08:51:30,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:30,780 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:30,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 4.55) internal successors, (91), 19 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:51:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:51:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:51:36,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:36,752 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:36,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:36,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1336351714, now seen corresponding path program 9 times [2021-07-10 08:51:36,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:36,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350347629] [2021-07-10 08:51:36,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-07-10 08:51:36,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:36,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350347629] [2021-07-10 08:51:36,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350347629] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:36,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603688992] [2021-07-10 08:51:36,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:37,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 08:51:37,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:51:37,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 08:51:37,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:37,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2021-07-10 08:51:37,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:37,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:51:37,119 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:37,119 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:19 [2021-07-10 08:51:37,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:37,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2021-07-10 08:51:37,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:37,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:51:37,155 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:37,155 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:19 [2021-07-10 08:51:37,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:37,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2021-07-10 08:51:37,195 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:37,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:51:37,199 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:37,200 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:9 [2021-07-10 08:51:37,279 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-07-10 08:51:37,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 31 [2021-07-10 08:51:37,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 08:51:37,309 INFO L628 ElimStorePlain]: treesize reduction 10, result has 81.1 percent of original size [2021-07-10 08:51:37,312 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:37,312 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:34 [2021-07-10 08:51:37,568 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:51:37,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 [2021-07-10 08:51:37,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:37,583 INFO L628 ElimStorePlain]: treesize reduction 55, result has 11.3 percent of original size [2021-07-10 08:51:37,583 INFO L518 ElimStorePlain]: Eliminatee v_A_20 vanished before elimination [2021-07-10 08:51:37,583 INFO L518 ElimStorePlain]: Eliminatee v_prenex_9 vanished before elimination [2021-07-10 08:51:37,583 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:37,584 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:76, output treesize:7 [2021-07-10 08:51:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 53 proven. 137 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 08:51:37,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603688992] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:37,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:37,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 20] total 28 [2021-07-10 08:51:37,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266931086] [2021-07-10 08:51:37,766 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 08:51:37,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:37,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 08:51:37,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2021-07-10 08:51:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:37,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:37,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.6206896551724137) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:37,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:37,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:37,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:37,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:37,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:37,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:37,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:51:37,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:51:37,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:51:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:51:41,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 08:51:41,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-10 08:51:41,750 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:41,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:41,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1513601408, now seen corresponding path program 10 times [2021-07-10 08:51:41,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:41,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449959379] [2021-07-10 08:51:41,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 53 proven. 63 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-07-10 08:51:41,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:41,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449959379] [2021-07-10 08:51:41,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449959379] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:41,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857691781] [2021-07-10 08:51:41,801 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:41,855 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 08:51:41,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:51:41,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 08:51:41,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 54 proven. 56 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-07-10 08:51:41,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857691781] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:41,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:41,956 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-07-10 08:51:41,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099960211] [2021-07-10 08:51:41,956 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 08:51:41,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:41,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 08:51:41,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-10 08:51:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:41,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:41,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:41,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:41,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:41,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:41,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:41,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:41,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:41,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:51:41,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:51:41,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 08:51:41,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:51:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:51:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 08:51:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:51:47,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-10 08:51:47,838 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:47,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:47,838 INFO L82 PathProgramCache]: Analyzing trace with hash -379985122, now seen corresponding path program 11 times [2021-07-10 08:51:47,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:47,838 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665727627] [2021-07-10 08:51:47,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:47,927 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-07-10 08:51:47,928 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:47,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665727627] [2021-07-10 08:51:47,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665727627] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:47,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365043633] [2021-07-10 08:51:47,928 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:48,018 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-10 08:51:48,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:51:48,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-10 08:51:48,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:51:48,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 08:51:48,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2021-07-10 08:51:48,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:51:48,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,054 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:16 [2021-07-10 08:51:48,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 08:51:48,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 08:51:48,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-07-10 08:51:48,130 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 08:51:48,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-07-10 08:51:48,137 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:51:48,150 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 08:51:48,150 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:75, output treesize:53 [2021-07-10 08:51:48,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-07-10 08:51:48,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2021-07-10 08:51:48,267 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2021-07-10 08:51:48,275 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:51:48,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-07-10 08:51:48,280 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:51:48,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,284 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:143, output treesize:10 [2021-07-10 08:51:48,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 08:51:48,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,351 INFO L628 ElimStorePlain]: treesize reduction 21, result has 41.7 percent of original size [2021-07-10 08:51:48,352 INFO L518 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2021-07-10 08:51:48,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:51:48,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:10 [2021-07-10 08:51:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-07-10 08:51:48,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365043633] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:48,707 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:51:48,707 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 22] total 27 [2021-07-10 08:51:48,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627308147] [2021-07-10 08:51:48,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 08:51:48,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:51:48,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 08:51:48,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=667, Unknown=0, NotChecked=0, Total=756 [2021-07-10 08:51:48,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:48,708 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:51:48,708 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 27 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:51:48,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:48,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:48,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:48,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:48,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:48,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:48,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:51:48,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:51:48,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 08:51:48,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:51:48,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:51:59,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:51:59,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:59,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:51:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:51:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:51:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:51:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:51:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:51:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 08:51:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:51:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 08:51:59,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:51:59,784 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:51:59,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:51:59,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1606544298, now seen corresponding path program 12 times [2021-07-10 08:51:59,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:51:59,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77872066] [2021-07-10 08:51:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:51:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:51:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 125 proven. 200 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-10 08:51:59,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:51:59,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77872066] [2021-07-10 08:51:59,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77872066] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:51:59,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884913874] [2021-07-10 08:51:59,939 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:52:00,333 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-10 08:52:00,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:52:00,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 08:52:00,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:52:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 168 proven. 157 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-10 08:52:00,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884913874] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:52:00,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:52:00,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 23 [2021-07-10 08:52:00,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952156469] [2021-07-10 08:52:00,494 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 08:52:00,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:52:00,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 08:52:00,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2021-07-10 08:52:00,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:52:00,495 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:52:00,495 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.0) internal successors, (96), 23 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) [2021-07-10 08:52:00,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:52:00,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:52:00,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:52:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:52:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:52:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:52:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:52:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:52:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 08:52:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:52:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 08:52:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:52:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 08:52:23,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 08:52:24,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-07-10 08:52:24,099 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:52:24,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:52:24,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1771919718, now seen corresponding path program 13 times [2021-07-10 08:52:24,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:52:24,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66561714] [2021-07-10 08:52:24,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:52:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:52:24,325 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 65 proven. 272 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-07-10 08:52:24,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:52:24,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66561714] [2021-07-10 08:52:24,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66561714] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:52:24,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119467952] [2021-07-10 08:52:24,326 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:52:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:52:24,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 08:52:24,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:52:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 79 proven. 273 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-07-10 08:52:24,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119467952] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:52:24,961 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:52:24,961 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 28 [2021-07-10 08:52:24,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437377941] [2021-07-10 08:52:24,962 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 08:52:24,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:52:24,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 08:52:24,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2021-07-10 08:52:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:52:24,963 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:52:24,963 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 4.206896551724138) internal successors, (122), 28 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 08:52:24,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 08:53:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 08:53:38,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2021-07-10 08:53:39,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:53:39,185 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 08:53:39,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 08:53:39,186 INFO L82 PathProgramCache]: Analyzing trace with hash -593246792, now seen corresponding path program 14 times [2021-07-10 08:53:39,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 08:53:39,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871006971] [2021-07-10 08:53:39,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 08:53:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 08:53:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 12 proven. 214 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-07-10 08:53:39,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 08:53:39,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871006971] [2021-07-10 08:53:39,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871006971] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:53:39,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163283095] [2021-07-10 08:53:39,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 08:53:39,627 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 08:53:39,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 08:53:39,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-10 08:53:39,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 08:53:39,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2021-07-10 08:53:39,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:53:39,660 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,660 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:14 [2021-07-10 08:53:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:53:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:53:39,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2021-07-10 08:53:39,701 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:53:39,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,706 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:9 [2021-07-10 08:53:39,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:53:39,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:53:39,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2021-07-10 08:53:39,737 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:53:39,741 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,742 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:9 [2021-07-10 08:53:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:53:39,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:53:39,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2021-07-10 08:53:39,776 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:53:39,780 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,780 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:9 [2021-07-10 08:53:39,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 08:53:39,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2021-07-10 08:53:39,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:53:39,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,823 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:5 [2021-07-10 08:53:39,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 08:53:39,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 08:53:39,847 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,847 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-10 08:53:39,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 08:53:39,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,872 INFO L628 ElimStorePlain]: treesize reduction 10, result has 23.1 percent of original size [2021-07-10 08:53:39,872 INFO L518 ElimStorePlain]: Eliminatee v_prenex_17 vanished before elimination [2021-07-10 08:53:39,872 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 08:53:39,872 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:21, output treesize:3 [2021-07-10 08:53:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 24 proven. 202 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-07-10 08:53:39,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163283095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 08:53:39,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 08:53:39,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 15 [2021-07-10 08:53:39,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540359386] [2021-07-10 08:53:39,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 08:53:39,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 08:53:39,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 08:53:39,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-07-10 08:53:39,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 08:53:39,925 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 08:53:39,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 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) [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2021-07-10 08:53:39,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.