/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 23:24:54,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 23:24:54,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 23:24:54,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 23:24:54,665 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-None-NoLbe.epf [2021-07-13 23:24:54,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 23:24:54,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 23:24:54,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 23:24:54,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 23:24:54,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 23:24:54,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 23:24:54,692 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 23:24:54,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 23:24:54,692 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 23:24:54,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 23:24:54,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 23:24:54,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 23:24:54,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 23:24:54,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 23:24:54,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 23:24:54,693 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 23:24:54,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 23:24:54,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 23:24:54,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 23:24:54,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 23:24:54,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 23:24:54,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 23:24:54,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 23:24:54,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 23:24:54,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 23:24:54,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 23:24:54,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 23:24:54,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 23:24:54,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 23:24:54,695 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 23:24:54,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 23:24:54,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 23:24:54,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 23:24:54,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 23:24:54,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 23:24:54,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 23:24:54,946 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 23:24:54,947 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 23:24:54,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-07-13 23:24:54,948 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-07-13 23:24:54,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 23:24:54,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 23:24:54,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 23:24:54,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 23:24:54,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 23:24:54,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/1) ... [2021-07-13 23:24:54,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/1) ... [2021-07-13 23:24:54,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 23:24:54,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 23:24:54,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 23:24:54,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 23:24:54,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/1) ... [2021-07-13 23:24:54,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/1) ... [2021-07-13 23:24:54,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/1) ... [2021-07-13 23:24:54,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/1) ... [2021-07-13 23:24:54,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/1) ... [2021-07-13 23:24:54,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/1) ... [2021-07-13 23:24:54,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/1) ... [2021-07-13 23:24:54,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 23:24:55,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 23:24:55,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 23:24:55,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 23:24:55,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 23:24:55,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 23:24:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 23:24:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 23:24:55,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 23:24:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 23:24:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 23:24:55,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 23:24:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 23:24:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 23:24:55,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-13 23:24:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-13 23:24:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-13 23:24:55,055 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 23:24:55,270 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 23:24:55,270 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-13 23:24:55,272 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:24:55 BoogieIcfgContainer [2021-07-13 23:24:55,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 23:24:55,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 23:24:55,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 23:24:55,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 23:24:55,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:24:54" (1/2) ... [2021-07-13 23:24:55,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ed9894 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:24:55, skipping insertion in model container [2021-07-13 23:24:55,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:24:55" (2/2) ... [2021-07-13 23:24:55,277 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-07-13 23:24:55,280 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 23:24:55,280 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 23:24:55,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 23:24:55,281 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 23:24:55,321 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-13 23:24:55,335 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-13 23:24:55,405 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 23:24:55,405 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 23:24:55,406 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 23:24:55,407 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 23:24:55,407 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 23:24:55,407 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 23:24:55,407 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 23:24:55,407 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 23:24:55,417 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-07-13 23:24:55,443 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 112 states, 111 states have (on average 2.810810810810811) internal successors, (312), 111 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:24:55,456 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:24:55,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:24:55,464 INFO L82 PathProgramCache]: Analyzing trace with hash -924986746, now seen corresponding path program 1 times [2021-07-13 23:24:55,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:24:55,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563741194] [2021-07-13 23:24:55,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:24:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:24:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:24:55,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:24:55,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563741194] [2021-07-13 23:24:55,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563741194] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:24:55,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117625230] [2021-07-13 23:24:55,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:24:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:24:55,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 23:24:55,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:24:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:24:55,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117625230] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:24:55,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:24:55,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-13 23:24:55,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861630510] [2021-07-13 23:24:55,829 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 23:24:55,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:24:55,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 23:24:55,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-13 23:24:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:24:55,843 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:24:55,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:24:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:24:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:24:56,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-13 23:24:56,145 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:24:56,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:24:56,146 INFO L82 PathProgramCache]: Analyzing trace with hash -718642012, now seen corresponding path program 2 times [2021-07-13 23:24:56,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:24:56,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311120077] [2021-07-13 23:24:56,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:24:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:24:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:24:56,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:24:56,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311120077] [2021-07-13 23:24:56,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311120077] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:24:56,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759949010] [2021-07-13 23:24:56,546 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:24:56,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 23:24:56,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:24:56,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 23:24:56,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:24:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:24:56,982 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:24:56,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 28 [2021-07-13 23:24:56,986 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:24:57,007 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:24:57,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-13 23:24:57,041 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:73 [2021-07-13 23:24:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:24:57,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759949010] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:24:57,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:24:57,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-13 23:24:57,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588161684] [2021-07-13 23:24:57,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 23:24:57,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:24:57,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 23:24:57,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-07-13 23:24:57,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:24:57,146 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:24:57,146 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:24:57,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:24:57,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:24:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:24:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:24:58,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:24:58,251 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:24:58,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:24:58,252 INFO L82 PathProgramCache]: Analyzing trace with hash 301283936, now seen corresponding path program 3 times [2021-07-13 23:24:58,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:24:58,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350826672] [2021-07-13 23:24:58,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:24:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:24:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:24:58,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:24:58,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350826672] [2021-07-13 23:24:58,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350826672] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:24:58,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660618980] [2021-07-13 23:24:58,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:24:58,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 23:24:58,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:24:58,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-13 23:24:58,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:24:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:24:58,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660618980] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:24:58,492 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:24:58,493 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-07-13 23:24:58,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126354239] [2021-07-13 23:24:58,493 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 23:24:58,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:24:58,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 23:24:58,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-07-13 23:24:58,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:24:58,494 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:24:58,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:24:58,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:24:58,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:24:58,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:24:58,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:24:58,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:24:58,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:24:58,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:24:58,925 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:24:58,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:24:58,925 INFO L82 PathProgramCache]: Analyzing trace with hash -162980508, now seen corresponding path program 4 times [2021-07-13 23:24:58,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:24:58,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658439071] [2021-07-13 23:24:58,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:24:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:24:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:24:59,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:24:59,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658439071] [2021-07-13 23:24:59,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658439071] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:24:59,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395823977] [2021-07-13 23:24:59,019 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:24:59,063 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 23:24:59,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:24:59,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 23:24:59,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:24:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 23:24:59,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395823977] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:24:59,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:24:59,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 18 [2021-07-13 23:24:59,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125323145] [2021-07-13 23:24:59,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 23:24:59,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:24:59,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 23:24:59,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-07-13 23:24:59,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:24:59,180 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:24:59,180 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:24:59,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:24:59,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:24:59,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:24:59,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:24:59,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:24:59,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:24:59,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:24:59,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:24:59,544 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:24:59,545 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:24:59,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:24:59,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1455061664, now seen corresponding path program 5 times [2021-07-13 23:24:59,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:24:59,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480642330] [2021-07-13 23:24:59,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:24:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:00,326 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:00,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:00,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480642330] [2021-07-13 23:25:00,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480642330] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:00,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013114825] [2021-07-13 23:25:00,327 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:00,363 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 23:25:00,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:25:00,364 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-13 23:25:00,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:25:01,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:01,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:01,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:25:01,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:01,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:01,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:01,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2021-07-13 23:25:01,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:25:01,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:25:01,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:25:01,200 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:56, output treesize:5 [2021-07-13 23:25:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:01,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013114825] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:01,245 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:25:01,245 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 37 [2021-07-13 23:25:01,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183927287] [2021-07-13 23:25:01,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-13 23:25:01,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:25:01,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-13 23:25:01,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1216, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 23:25:01,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:01,247 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:25:01,247 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.081081081081081) internal successors, (77), 37 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:25:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:01,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:03,783 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 91 [2021-07-13 23:25:03,991 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 71 [2021-07-13 23:25:04,249 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 101 [2021-07-13 23:25:04,609 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 96 [2021-07-13 23:25:05,011 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2021-07-13 23:25:05,167 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2021-07-13 23:25:05,474 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2021-07-13 23:25:06,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:06,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:06,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:06,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:06,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:06,535 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:06,535 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:25:06,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:25:06,535 INFO L82 PathProgramCache]: Analyzing trace with hash 224556050, now seen corresponding path program 6 times [2021-07-13 23:25:06,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:25:06,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851624333] [2021-07-13 23:25:06,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:25:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:06,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:06,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851624333] [2021-07-13 23:25:06,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851624333] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:06,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688099328] [2021-07-13 23:25:06,728 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:06,774 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-13 23:25:06,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:25:06,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-13 23:25:06,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:25:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:07,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688099328] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:07,192 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:25:07,192 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-13 23:25:07,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207256250] [2021-07-13 23:25:07,192 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-13 23:25:07,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:25:07,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-13 23:25:07,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-07-13 23:25:07,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:07,193 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:25:07,194 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.325) internal successors, (93), 40 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:25:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:07,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:07,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:07,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:07,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:07,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:07,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:07,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:07,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:07,801 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:25:07,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:25:07,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1727502286, now seen corresponding path program 7 times [2021-07-13 23:25:07,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:25:07,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315988748] [2021-07-13 23:25:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:25:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 36 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:08,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:08,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315988748] [2021-07-13 23:25:08,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315988748] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:08,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13498930] [2021-07-13 23:25:08,892 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:08,939 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-07-13 23:25:08,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:25:10,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:10,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:10,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:10,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:10,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:10,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:10,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:25:10,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:10,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:25:10,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 30 [2021-07-13 23:25:10,245 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:25:10,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:25:10,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:25:10,250 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:78, output treesize:5 [2021-07-13 23:25:10,283 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:10,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13498930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:10,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:25:10,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 49 [2021-07-13 23:25:10,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967493383] [2021-07-13 23:25:10,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-13 23:25:10,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:25:10,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-13 23:25:10,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2179, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 23:25:10,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:10,285 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:25:10,285 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.204081632653061) internal successors, (108), 49 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:25:10,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:10,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:10,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:10,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:10,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:10,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:10,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:14,030 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2021-07-13 23:25:14,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:14,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:14,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:14,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:14,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:14,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:14,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:14,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-13 23:25:14,417 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:25:14,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:25:14,417 INFO L82 PathProgramCache]: Analyzing trace with hash -442729078, now seen corresponding path program 8 times [2021-07-13 23:25:14,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:25:14,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665355838] [2021-07-13 23:25:14,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:25:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 100 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:14,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:14,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665355838] [2021-07-13 23:25:14,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665355838] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:14,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325934141] [2021-07-13 23:25:14,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:14,718 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 23:25:14,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:25:14,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 23:25:14,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:25:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 121 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:15,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325934141] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:15,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:25:15,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 49 [2021-07-13 23:25:15,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283640010] [2021-07-13 23:25:15,379 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-13 23:25:15,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:25:15,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-13 23:25:15,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1934, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 23:25:15,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:15,380 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:25:15,380 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.2857142857142856) internal successors, (112), 49 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:25:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:16,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:16,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:16,754 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:25:16,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:25:16,754 INFO L82 PathProgramCache]: Analyzing trace with hash 69966718, now seen corresponding path program 9 times [2021-07-13 23:25:16,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:25:16,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235084230] [2021-07-13 23:25:16,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:25:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 172 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:17,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:17,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235084230] [2021-07-13 23:25:17,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235084230] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:17,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187887952] [2021-07-13 23:25:17,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:17,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-07-13 23:25:17,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:25:17,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-13 23:25:17,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:25:18,027 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 172 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:18,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187887952] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:18,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:25:18,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 60 [2021-07-13 23:25:18,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204851365] [2021-07-13 23:25:18,028 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-07-13 23:25:18,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:25:18,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-07-13 23:25:18,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=2872, Unknown=0, NotChecked=0, Total=3540 [2021-07-13 23:25:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:18,029 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:25:18,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.216666666666667) internal successors, (133), 60 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) [2021-07-13 23:25:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:18,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:18,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:18,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:18,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:18,609 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:25:18,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:25:18,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1160432262, now seen corresponding path program 10 times [2021-07-13 23:25:18,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:25:18,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598423264] [2021-07-13 23:25:18,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:25:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 159 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:19,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:19,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598423264] [2021-07-13 23:25:19,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598423264] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:19,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201111986] [2021-07-13 23:25:19,018 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:19,060 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 23:25:19,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:25:19,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-13 23:25:19,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:25:19,930 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 185 proven. 209 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 23:25:19,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201111986] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:19,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:25:19,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 64 [2021-07-13 23:25:19,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329291726] [2021-07-13 23:25:19,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-13 23:25:19,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:25:19,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-13 23:25:19,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=3498, Unknown=0, NotChecked=0, Total=4032 [2021-07-13 23:25:19,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:19,932 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:25:19,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 2.296875) internal successors, (147), 64 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:25:19,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:19,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:19,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:19,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:19,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:19,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:19,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:19,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:19,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:19,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:21,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:21,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:21,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:21,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:25:21,725 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-13 23:25:21,725 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:25:21,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:25:21,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1821776586, now seen corresponding path program 11 times [2021-07-13 23:25:21,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:25:21,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22809778] [2021-07-13 23:25:21,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:25:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 144 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:23,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:23,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22809778] [2021-07-13 23:25:23,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22809778] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:23,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527969186] [2021-07-13 23:25:23,902 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:23,957 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-07-13 23:25:23,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:25:23,961 WARN L261 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 138 conjunts are in the unsatisfiable core [2021-07-13 23:25:23,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:25:26,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:25:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:25:26,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:25:26,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 120 disjoint index pairs (out of 153 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-07-13 23:25:26,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:25:26,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:25:26,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:25:26,903 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:114, output treesize:5 [2021-07-13 23:25:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:26,947 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527969186] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:26,947 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:25:26,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 73 [2021-07-13 23:25:26,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45897969] [2021-07-13 23:25:26,948 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-13 23:25:26,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:25:26,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-13 23:25:26,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=4948, Unknown=0, NotChecked=0, Total=5256 [2021-07-13 23:25:26,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:26,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:25:26,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 2.136986301369863) internal successors, (156), 73 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:25:26,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:25:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:35,055 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 83 [2021-07-13 23:25:35,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:35,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:35,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:25:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-13 23:25:35,482 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-13 23:25:35,482 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:25:35,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:25:35,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1368893710, now seen corresponding path program 12 times [2021-07-13 23:25:35,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:25:35,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200254728] [2021-07-13 23:25:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:25:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 256 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:35,954 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:35,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200254728] [2021-07-13 23:25:35,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200254728] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:35,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232985056] [2021-07-13 23:25:35,955 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:36,017 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-07-13 23:25:36,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:25:36,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-13 23:25:36,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:25:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 289 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:37,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232985056] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:37,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:25:37,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 73 [2021-07-13 23:25:37,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188634993] [2021-07-13 23:25:37,332 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-13 23:25:37,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:25:37,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-13 23:25:37,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=940, Invalid=4316, Unknown=0, NotChecked=0, Total=5256 [2021-07-13 23:25:37,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:37,334 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:25:37,334 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 2.191780821917808) internal successors, (160), 73 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:25:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:37,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:25:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-13 23:25:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:25:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-13 23:25:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:25:39,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-13 23:25:39,875 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:25:39,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:25:39,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1335163110, now seen corresponding path program 13 times [2021-07-13 23:25:39,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:25:39,876 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52827103] [2021-07-13 23:25:39,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:25:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 364 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:40,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:40,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52827103] [2021-07-13 23:25:40,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52827103] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:40,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928699697] [2021-07-13 23:25:40,583 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:40,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-13 23:25:40,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:25:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 394 proven. 324 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-13 23:25:41,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928699697] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:41,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:25:41,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 40] total 82 [2021-07-13 23:25:41,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296791497] [2021-07-13 23:25:41,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-13 23:25:41,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:25:41,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-13 23:25:41,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=867, Invalid=5775, Unknown=0, NotChecked=0, Total=6642 [2021-07-13 23:25:41,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:41,981 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:25:41,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 2.231707317073171) internal successors, (183), 82 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:25:41,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:25:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-13 23:25:44,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:44,280 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:25:44,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:25:44,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1352646370, now seen corresponding path program 14 times [2021-07-13 23:25:44,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:25:44,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886409495] [2021-07-13 23:25:44,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:25:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 345 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:44,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:44,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886409495] [2021-07-13 23:25:44,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886409495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:44,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139349104] [2021-07-13 23:25:44,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:45,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 23:25:45,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:25:45,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-13 23:25:45,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:25:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 383 proven. 419 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 23:25:46,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139349104] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:46,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:25:46,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44] total 88 [2021-07-13 23:25:46,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825401245] [2021-07-13 23:25:46,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-13 23:25:46,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:25:46,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-13 23:25:46,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=996, Invalid=6660, Unknown=0, NotChecked=0, Total=7656 [2021-07-13 23:25:46,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:46,601 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:25:46,602 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 2.215909090909091) internal successors, (195), 88 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-13 23:25:46,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:25:49,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:25:49,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-13 23:25:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-13 23:25:49,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:49,229 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:25:49,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:25:49,229 INFO L82 PathProgramCache]: Analyzing trace with hash -984614242, now seen corresponding path program 15 times [2021-07-13 23:25:49,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:25:49,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262987920] [2021-07-13 23:25:49,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:25:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:25:53,241 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 324 proven. 564 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:25:53,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:25:53,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262987920] [2021-07-13 23:25:53,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262987920] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:25:53,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975114628] [2021-07-13 23:25:53,242 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:25:53,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2021-07-13 23:25:53,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:25:53,330 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 191 conjunts are in the unsatisfiable core [2021-07-13 23:25:53,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:01,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:01,833 INFO L244 Elim1Store]: Index analysis took 230 ms [2021-07-13 23:26:02,410 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2021-07-13 23:26:02,411 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:26:02,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 462 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 66 case distinctions, treesize of input 164 treesize of output 732 [2021-07-13 23:26:03,077 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 532 [2021-07-13 23:26:03,577 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 532 [2021-07-13 23:26:04,202 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 559 [2021-07-13 23:26:09,198 WARN L205 SmtUtils]: Spent 4.93 s on a formula simplification. DAG size of input: 1645 DAG size of output: 1758 [2021-07-13 23:26:14,431 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 1667 DAG size of output: 1781 [2021-07-13 23:26:52,895 WARN L205 SmtUtils]: Spent 38.29 s on a formula simplification. DAG size of input: 6528 DAG size of output: 6051 [2021-07-13 23:27:33,438 WARN L205 SmtUtils]: Spent 40.27 s on a formula simplification. DAG size of input: 6540 DAG size of output: 6064 [2021-07-13 23:29:19,355 WARN L205 SmtUtils]: Spent 1.76 m on a formula simplification. DAG size of input: 10102 DAG size of output: 9955 [2021-07-13 23:31:10,328 WARN L205 SmtUtils]: Spent 1.84 m on a formula simplification. DAG size of input: 10106 DAG size of output: 9959 [2021-07-13 23:34:25,441 WARN L205 SmtUtils]: Spent 3.24 m on a formula simplification. DAG size of input: 9806 DAG size of output: 9339 [2021-07-13 23:37:56,779 WARN L205 SmtUtils]: Spent 3.52 m on a formula simplification. DAG size of input: 9824 DAG size of output: 9355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown