/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 04:20:27,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 04:20:27,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 04:20:27,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 04:20:27,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 04:20:27,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 04:20:27,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 04:20:27,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 04:20:27,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 04:20:27,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 04:20:27,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 04:20:27,693 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 04:20:27,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 04:20:27,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 04:20:27,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 04:20:27,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 04:20:27,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 04:20:27,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 04:20:27,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 04:20:27,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 04:20:27,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 04:20:27,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 04:20:27,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 04:20:27,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 04:20:27,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 04:20:27,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 04:20:27,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 04:20:27,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 04:20:27,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 04:20:27,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 04:20:27,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 04:20:27,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 04:20:27,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 04:20:27,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 04:20:27,695 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 04:20:27,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 04:20:27,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 04:20:27,696 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 04:20:27,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 04:20:27,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 04:20:27,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 04:20:27,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 04:20:27,955 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 04:20:27,956 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 04:20:27,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-2.wvr.bpl [2021-06-06 04:20:27,957 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-2.wvr.bpl' [2021-06-06 04:20:27,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 04:20:27,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 04:20:27,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 04:20:27,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 04:20:27,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 04:20:27,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/1) ... [2021-06-06 04:20:27,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/1) ... [2021-06-06 04:20:27,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 04:20:27,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 04:20:27,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 04:20:27,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 04:20:28,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/1) ... [2021-06-06 04:20:28,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/1) ... [2021-06-06 04:20:28,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/1) ... [2021-06-06 04:20:28,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/1) ... [2021-06-06 04:20:28,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/1) ... [2021-06-06 04:20:28,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/1) ... [2021-06-06 04:20:28,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/1) ... [2021-06-06 04:20:28,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 04:20:28,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 04:20:28,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 04:20:28,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 04:20:28,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 04:20:28,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 04:20:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 04:20:28,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 04:20:28,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 04:20:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 04:20:28,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 04:20:28,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 04:20:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 04:20:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 04:20:28,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 04:20:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 04:20:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 04:20:28,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-06 04:20:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-06 04:20:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-06 04:20:28,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-06 04:20:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-06 04:20:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-06 04:20:28,084 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 04:20:28,278 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 04:20:28,278 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 04:20:28,279 INFO L202 PluginConnector]: Adding new model min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:20:28 BoogieIcfgContainer [2021-06-06 04:20:28,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 04:20:28,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 04:20:28,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 04:20:28,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 04:20:28,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:20:27" (1/2) ... [2021-06-06 04:20:28,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eab4034 and model type min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 04:20:28, skipping insertion in model container [2021-06-06 04:20:28,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:20:28" (2/2) ... [2021-06-06 04:20:28,284 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-2.wvr.bpl [2021-06-06 04:20:28,287 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 04:20:28,288 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 04:20:28,288 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 04:20:28,288 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 04:20:28,358 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-06-06 04:20:28,371 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 04:20:28,401 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 04:20:28,401 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 04:20:28,401 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 04:20:28,401 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 04:20:28,401 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 04:20:28,401 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 04:20:28,402 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 04:20:28,402 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 04:20:28,569 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:20:28,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:28,573 INFO L82 PathProgramCache]: Analyzing trace with hash 814980208, now seen corresponding path program 1 times [2021-06-06 04:20:28,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:28,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109955991] [2021-06-06 04:20:28,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 04:20:28,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:28,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109955991] [2021-06-06 04:20:28,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109955991] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:28,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645577585] [2021-06-06 04:20:28,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:28,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 04:20:28,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 04:20:28,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645577585] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:28,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:28,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-06 04:20:28,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104264988] [2021-06-06 04:20:28,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 04:20:28,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:28,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 04:20:28,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-06 04:20:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:28,984 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:28,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:20:28,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:20:29,335 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-06 04:20:29,335 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:20:29,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:29,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1695906960, now seen corresponding path program 2 times [2021-06-06 04:20:29,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:29,336 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086523386] [2021-06-06 04:20:29,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-06 04:20:29,431 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:29,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086523386] [2021-06-06 04:20:29,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086523386] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:29,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110500457] [2021-06-06 04:20:29,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:29,493 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:20:29,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:20:29,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 04:20:29,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-06 04:20:29,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110500457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:29,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:29,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-06-06 04:20:29,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362321983] [2021-06-06 04:20:29,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 04:20:29,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:29,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 04:20:29,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-06 04:20:29,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:29,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:29,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:20:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:20:29,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:29,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:20:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:29,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:29,989 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:20:29,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:29,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1720110233, now seen corresponding path program 3 times [2021-06-06 04:20:29,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:29,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020877830] [2021-06-06 04:20:29,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:30,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:30,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020877830] [2021-06-06 04:20:30,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020877830] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:30,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455740133] [2021-06-06 04:20:30,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:30,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 04:20:30,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:20:30,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 04:20:30,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:30,548 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-06-06 04:20:30,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 31 [2021-06-06 04:20:30,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:20:30,614 INFO L628 ElimStorePlain]: treesize reduction 10, result has 82.5 percent of original size [2021-06-06 04:20:30,625 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 04:20:30,625 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:47 [2021-06-06 04:20:30,697 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 [2021-06-06 04:20:30,699 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:20:30,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-06 04:20:30,705 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:20:30,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:20:30,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 04:20:30,722 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:54, output treesize:36 [2021-06-06 04:20:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-06 04:20:30,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455740133] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:30,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:30,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 21 [2021-06-06 04:20:30,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036942008] [2021-06-06 04:20:30,854 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 04:20:30,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:30,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 04:20:30,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2021-06-06 04:20:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:30,857 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:30,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 4.181818181818182) internal successors, (92), 21 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:20:30,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:20:30,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:30,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:31,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:20:31,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:31,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:20:31,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:31,722 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:20:31,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:31,722 INFO L82 PathProgramCache]: Analyzing trace with hash 546995961, now seen corresponding path program 4 times [2021-06-06 04:20:31,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:31,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891342845] [2021-06-06 04:20:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 04:20:31,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:31,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891342845] [2021-06-06 04:20:31,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891342845] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:31,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572091586] [2021-06-06 04:20:31,852 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:31,891 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:20:31,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:20:31,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 04:20:31,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:32,017 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-06-06 04:20:32,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572091586] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:32,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:32,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 17 [2021-06-06 04:20:32,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466628986] [2021-06-06 04:20:32,018 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 04:20:32,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:32,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 04:20:32,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-06-06 04:20:32,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:32,018 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:32,018 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.888888888888889) internal successors, (88), 17 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:20:32,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:20:32,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:32,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:20:32,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:20:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:32,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:20:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:20:32,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-06 04:20:32,465 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:20:32,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:32,466 INFO L82 PathProgramCache]: Analyzing trace with hash 256216641, now seen corresponding path program 5 times [2021-06-06 04:20:32,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:32,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145038989] [2021-06-06 04:20:32,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-06-06 04:20:32,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:32,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145038989] [2021-06-06 04:20:32,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145038989] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:32,971 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509007401] [2021-06-06 04:20:32,971 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:33,028 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 04:20:33,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:20:33,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 04:20:33,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:33,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-06 04:20:33,230 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 04:20:33,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:20:33,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 04:20:33,235 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:10 [2021-06-06 04:20:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-06 04:20:33,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509007401] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:33,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:33,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-06 04:20:33,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294594984] [2021-06-06 04:20:33,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 04:20:33,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:33,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 04:20:33,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2021-06-06 04:20:33,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:33,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:33,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.222222222222222) internal successors, (94), 17 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:20:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:20:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 04:20:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 04:20:33,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:20:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:20:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:20:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 04:20:37,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:37,773 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:20:37,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:20:37,773 INFO L82 PathProgramCache]: Analyzing trace with hash -292376512, now seen corresponding path program 6 times [2021-06-06 04:20:37,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:20:37,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943827929] [2021-06-06 04:20:37,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:20:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:20:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-06-06 04:20:37,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:20:37,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943827929] [2021-06-06 04:20:37,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943827929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:37,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418841548] [2021-06-06 04:20:37,824 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:20:37,864 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 04:20:37,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:20:37,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 04:20:37,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:20:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 37 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-06 04:20:38,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418841548] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:20:38,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:20:38,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-06-06 04:20:38,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185091102] [2021-06-06 04:20:38,060 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-06 04:20:38,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:20:38,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-06 04:20:38,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-06-06 04:20:38,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:20:38,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:20:38,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.055555555555555) internal successors, (91), 17 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) [2021-06-06 04:20:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 04:20:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 04:20:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 04:20:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 04:20:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 04:20:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:21:07,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:21:07,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:21:07,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:21:07,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:21:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:21:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:21:07,381 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-06 04:21:07,381 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:21:07,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:21:07,382 INFO L82 PathProgramCache]: Analyzing trace with hash 19162796, now seen corresponding path program 7 times [2021-06-06 04:21:07,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:21:07,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873359987] [2021-06-06 04:21:07,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:21:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:21:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 20 proven. 60 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-06-06 04:21:07,470 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:21:07,470 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873359987] [2021-06-06 04:21:07,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873359987] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:21:07,470 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614671967] [2021-06-06 04:21:07,471 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:21:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:21:07,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 04:21:07,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:21:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 50 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-06-06 04:21:07,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614671967] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:21:07,658 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:21:07,658 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-06 04:21:07,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169832419] [2021-06-06 04:21:07,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 04:21:07,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:21:07,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 04:21:07,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-06-06 04:21:07,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:21:07,659 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:21:07,659 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:21:07,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:21:07,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:21:07,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:21:07,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:21:07,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:21:07,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:21:07,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:21:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:21:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:21:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:21:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:21:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:21:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:21:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:21:09,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 04:21:09,769 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:21:09,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:21:09,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1530075779, now seen corresponding path program 8 times [2021-06-06 04:21:09,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:21:09,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226387945] [2021-06-06 04:21:09,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:21:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:21:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-06-06 04:21:09,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:21:09,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226387945] [2021-06-06 04:21:09,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226387945] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:21:09,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622305744] [2021-06-06 04:21:09,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:21:09,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 04:21:09,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:21:09,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 04:21:09,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:21:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 82 proven. 35 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-06 04:21:10,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622305744] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:21:10,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:21:10,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 23 [2021-06-06 04:21:10,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775835809] [2021-06-06 04:21:10,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 04:21:10,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:21:10,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 04:21:10,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2021-06-06 04:21:10,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:21:10,152 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:21:10,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 4.875) internal successors, (117), 23 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:21:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:21:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:21:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:21:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:21:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:21:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:21:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 04:21:10,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:22:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:22:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:22:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:22:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:22:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:22:06,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:22:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:22:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:22:06,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 04:22:06,989 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:22:06,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:22:06,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1320017923, now seen corresponding path program 9 times [2021-06-06 04:22:06,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:22:06,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126472198] [2021-06-06 04:22:06,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:22:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:22:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 59 proven. 97 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-06-06 04:22:07,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:22:07,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126472198] [2021-06-06 04:22:07,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126472198] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:22:07,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874792286] [2021-06-06 04:22:07,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:22:07,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 04:22:07,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:22:07,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 04:22:07,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:22:07,376 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-06-06 04:22:07,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 28 [2021-06-06 04:22:07,380 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:22:07,398 INFO L628 ElimStorePlain]: treesize reduction 15, result has 65.9 percent of original size [2021-06-06 04:22:07,402 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 04:22:07,403 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:29 [2021-06-06 04:22:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:22:07,977 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-06-06 04:22:07,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 30 [2021-06-06 04:22:07,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:22:07,999 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-06-06 04:22:07,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 28 [2021-06-06 04:22:08,013 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 04:22:08,067 INFO L628 ElimStorePlain]: treesize reduction 20, result has 77.5 percent of original size [2021-06-06 04:22:08,072 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2021-06-06 04:22:08,073 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:69 [2021-06-06 04:22:08,361 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-06-06 04:22:08,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:22:08,629 INFO L354 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2021-06-06 04:22:08,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 30 [2021-06-06 04:22:08,632 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:22:08,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 04:22:08,641 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 [2021-06-06 04:22:08,644 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 04:22:08,680 INFO L628 ElimStorePlain]: treesize reduction 15, result has 77.6 percent of original size [2021-06-06 04:22:08,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-06 04:22:08,684 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:52 [2021-06-06 04:22:08,766 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:22:08,767 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 13 treesize of output 17 [2021-06-06 04:22:08,771 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 04:22:08,778 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:22:08,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-06-06 04:22:08,784 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-06 04:22:08,791 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:22:08,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-06-06 04:22:08,795 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-06 04:22:08,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 04:22:08,824 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 04:22:08,824 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:74, output treesize:76 [2021-06-06 04:22:09,070 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 21 proven. 65 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-06-06 04:22:09,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874792286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:22:09,071 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:22:09,071 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 22] total 36 [2021-06-06 04:22:09,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267373762] [2021-06-06 04:22:09,071 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 04:22:09,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:22:09,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 04:22:09,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1123, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 04:22:09,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:22:09,072 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:22:09,072 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 3.6944444444444446) internal successors, (133), 36 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:22:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:22:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:22:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:22:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:22:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:22:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:22:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:22:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:22:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:22:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:22:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:22:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:22:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:22:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:22:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:22:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:22:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:22:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-06 04:22:19,195 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:22:19,195 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:22:19,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:22:19,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1049178412, now seen corresponding path program 10 times [2021-06-06 04:22:19,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:22:19,195 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758432002] [2021-06-06 04:22:19,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:22:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:22:19,323 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 43 proven. 88 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-06-06 04:22:19,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:22:19,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758432002] [2021-06-06 04:22:19,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758432002] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:22:19,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394369847] [2021-06-06 04:22:19,324 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:22:19,365 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 04:22:19,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:22:19,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 04:22:19,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:22:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 59 proven. 72 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-06-06 04:22:19,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394369847] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:22:19,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:22:19,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-06-06 04:22:19,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985819350] [2021-06-06 04:22:19,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 04:22:19,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:22:19,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 04:22:19,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-06-06 04:22:19,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:22:19,499 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:22:19,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:22:19,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:22:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:22:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:22:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:22:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:22:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:22:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:22:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:22:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-06 04:22:19,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:22:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:22:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:22:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:22:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:22:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:22:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:22:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:22:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:22:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-06 04:22:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:22:24,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-06-06 04:22:24,169 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:22:24,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:22:24,169 INFO L82 PathProgramCache]: Analyzing trace with hash 2047633844, now seen corresponding path program 11 times [2021-06-06 04:22:24,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:22:24,169 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076952083] [2021-06-06 04:22:24,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:22:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:22:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 35 proven. 69 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-06-06 04:22:24,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:22:24,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076952083] [2021-06-06 04:22:24,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076952083] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:22:24,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390771686] [2021-06-06 04:22:24,252 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:22:24,333 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-06 04:22:24,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:22:24,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 04:22:24,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:22:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 97 proven. 70 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-06-06 04:22:24,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390771686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:22:24,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:22:24,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 28 [2021-06-06 04:22:24,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139591268] [2021-06-06 04:22:24,609 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 04:22:24,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:22:24,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 04:22:24,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=680, Unknown=0, NotChecked=0, Total=812 [2021-06-06 04:22:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:22:24,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:22:24,610 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 4.620689655172414) internal successors, (134), 28 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-06 04:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:22:29,437 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-06-06 04:22:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:22:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:22:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:22:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:22:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:22:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:22:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:22:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:22:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-06 04:22:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:22:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-06-06 04:22:52,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:22:52,803 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:22:52,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:22:52,804 INFO L82 PathProgramCache]: Analyzing trace with hash 302536054, now seen corresponding path program 12 times [2021-06-06 04:22:52,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:22:52,804 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013070170] [2021-06-06 04:22:52,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:22:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:22:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 35 proven. 130 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-06-06 04:22:52,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:22:52,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013070170] [2021-06-06 04:22:52,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013070170] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:22:52,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512622662] [2021-06-06 04:22:52,903 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:22:52,979 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-06 04:22:52,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 04:22:52,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 04:22:52,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:22:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 92 proven. 120 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-06-06 04:22:53,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512622662] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:22:53,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:22:53,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 26 [2021-06-06 04:22:53,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946389343] [2021-06-06 04:22:53,241 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 04:22:53,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:22:53,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 04:22:53,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2021-06-06 04:22:53,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:22:53,242 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:22:53,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 4.925925925925926) internal successors, (133), 26 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-06-06 04:22:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:23:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-06-06 04:23:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-06 04:23:44,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-06-06 04:23:44,451 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-06 04:23:44,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 04:23:44,451 INFO L82 PathProgramCache]: Analyzing trace with hash 386389140, now seen corresponding path program 13 times [2021-06-06 04:23:44,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 04:23:44,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491524384] [2021-06-06 04:23:44,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 04:23:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:23:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 109 proven. 70 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-06-06 04:23:44,570 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 04:23:44,570 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491524384] [2021-06-06 04:23:44,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491524384] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:23:44,570 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081648818] [2021-06-06 04:23:44,570 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 04:23:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 04:23:44,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 04:23:44,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 04:23:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 114 proven. 70 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-06-06 04:23:44,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081648818] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 04:23:44,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 04:23:44,946 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2021-06-06 04:23:44,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024111124] [2021-06-06 04:23:44,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 04:23:44,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 04:23:44,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 04:23:44,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=945, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 04:23:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 04:23:44,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 04:23:44,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 4.117647058823529) internal successors, (140), 33 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 04:23:44,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 04:23:44,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 04:23:44,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-06 04:23:44,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-06 04:23:44,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 04:23:44,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 04:23:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 04:23:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 04:23:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-06-06 04:23:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 04:23:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-06-06 04:23:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-06 04:23:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.