/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.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 21:21:23,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 21:21:23,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 21:21:23,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 21:21:23,210 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 [2021-07-09 21:21:23,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 21:21:23,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 21:21:23,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 21:21:23,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 21:21:23,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 21:21:23,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 21:21:23,242 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 21:21:23,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 21:21:23,243 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 21:21:23,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 21:21:23,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 21:21:23,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 21:21:23,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 21:21:23,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 21:21:23,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 21:21:23,244 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 21:21:23,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 21:21:23,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 21:21:23,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 21:21:23,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 21:21:23,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 21:21:23,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 21:21:23,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 21:21:23,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 21:21:23,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 21:21:23,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 21:21:23,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 21:21:23,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 21:21:23,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 21:21:23,245 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 21:21:23,245 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 21:21:23,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 21:21:23,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 21:21:23,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 21:21:23,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 21:21:23,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 21:21:23,513 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 21:21:23,514 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 21:21:23,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2021-07-09 21:21:23,514 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2021-07-09 21:21:23,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 21:21:23,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 21:21:23,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 21:21:23,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 21:21:23,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 21:21:23,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (1/1) ... [2021-07-09 21:21:23,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (1/1) ... [2021-07-09 21:21:23,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 21:21:23,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 21:21:23,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 21:21:23,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 21:21:23,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (1/1) ... [2021-07-09 21:21:23,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (1/1) ... [2021-07-09 21:21:23,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (1/1) ... [2021-07-09 21:21:23,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (1/1) ... [2021-07-09 21:21:23,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (1/1) ... [2021-07-09 21:21:23,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (1/1) ... [2021-07-09 21:21:23,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (1/1) ... [2021-07-09 21:21:23,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 21:21:23,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 21:21:23,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 21:21:23,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 21:21:23,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (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 [2021-07-09 21:21:23,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 21:21:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 21:21:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 21:21:23,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 21:21:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 21:21:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 21:21:23,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 21:21:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 21:21:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 21:21:23,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-09 21:21:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-09 21:21:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-09 21:21:23,629 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 21:21:23,780 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 21:21:23,780 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-09 21:21:23,781 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 09:21:23 BoogieIcfgContainer [2021-07-09 21:21:23,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 21:21:23,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 21:21:23,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 21:21:23,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 21:21:23,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:21:23" (1/2) ... [2021-07-09 21:21:23,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682b83ba and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 09:21:23, skipping insertion in model container [2021-07-09 21:21:23,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 09:21:23" (2/2) ... [2021-07-09 21:21:23,786 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2021-07-09 21:21:23,790 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 21:21:23,790 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 21:21:23,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 21:21:23,791 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 21:21:23,846 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-09 21:21:23,877 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 [2021-07-09 21:21:23,972 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 21:21:23,972 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 21:21:23,972 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 21:21:23,972 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 21:21:23,972 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 21:21:23,972 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 21:21:23,972 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 21:21:23,972 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 21:21:23,978 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-07-09 21:21:24,016 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) [2021-07-09 21:21:24,022 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:24,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:24,027 INFO L82 PathProgramCache]: Analyzing trace with hash -14689673, now seen corresponding path program 1 times [2021-07-09 21:21:24,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:24,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773183331] [2021-07-09 21:21:24,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 21:21:24,229 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:24,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773183331] [2021-07-09 21:21:24,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773183331] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:24,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115508945] [2021-07-09 21:21:24,230 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 [2021-07-09 21:21:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:24,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 21:21:24,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:24,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 21:21:24,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115508945] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:24,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:24,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-09 21:21:24,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394277202] [2021-07-09 21:21:24,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 21:21:24,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:24,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 21:21:24,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-09 21:21:24,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:24,458 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:24,459 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) [2021-07-09 21:21:24,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:24,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:24,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-09 21:21:24,774 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:24,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:24,774 INFO L82 PathProgramCache]: Analyzing trace with hash -2096237483, now seen corresponding path program 2 times [2021-07-09 21:21:24,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:24,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692239944] [2021-07-09 21:21:24,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:25,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:25,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:25,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692239944] [2021-07-09 21:21:25,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692239944] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:25,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330773659] [2021-07-09 21:21:25,086 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 [2021-07-09 21:21:25,115 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 21:21:25,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:25,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-09 21:21:25,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:25,359 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:21:25,360 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 19 treesize of output 27 [2021-07-09 21:21:25,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-09 21:21:25,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:21:25,393 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 21:21:25,393 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:51 [2021-07-09 21:21:25,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:25,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330773659] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:25,468 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:25,468 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-09 21:21:25,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315594007] [2021-07-09 21:21:25,468 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 21:21:25,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:25,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 21:21:25,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-07-09 21:21:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:25,470 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:25,470 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) [2021-07-09 21:21:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:25,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:26,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:26,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:26,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:21:26,369 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:26,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:26,369 INFO L82 PathProgramCache]: Analyzing trace with hash 223283601, now seen corresponding path program 3 times [2021-07-09 21:21:26,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:26,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698390120] [2021-07-09 21:21:26,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:26,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:26,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698390120] [2021-07-09 21:21:26,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698390120] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:26,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692768574] [2021-07-09 21:21:26,433 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 [2021-07-09 21:21:26,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-09 21:21:26,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:26,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-09 21:21:26,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:26,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692768574] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:26,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:26,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-07-09 21:21:26,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353752567] [2021-07-09 21:21:26,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 21:21:26,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:26,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 21:21:26,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-07-09 21:21:26,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:26,646 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:26,646 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) [2021-07-09 21:21:26,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:26,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:26,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:27,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:21:27,044 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:27,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:27,044 INFO L82 PathProgramCache]: Analyzing trace with hash -2081674347, now seen corresponding path program 4 times [2021-07-09 21:21:27,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:27,045 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851484131] [2021-07-09 21:21:27,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-09 21:21:27,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:27,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851484131] [2021-07-09 21:21:27,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851484131] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:27,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56928983] [2021-07-09 21:21:27,121 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 [2021-07-09 21:21:27,152 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 21:21:27,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:27,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 21:21:27,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-09 21:21:27,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56928983] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:27,260 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:27,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 18 [2021-07-09 21:21:27,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594507551] [2021-07-09 21:21:27,261 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 21:21:27,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:27,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 21:21:27,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-07-09 21:21:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:27,261 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:27,261 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) [2021-07-09 21:21:27,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:27,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:27,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:27,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:27,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:27,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:27,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:27,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:27,643 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:21:27,643 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:27,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:27,644 INFO L82 PathProgramCache]: Analyzing trace with hash -2089053423, now seen corresponding path program 5 times [2021-07-09 21:21:27,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:27,644 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672244140] [2021-07-09 21:21:27,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:28,276 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:28,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672244140] [2021-07-09 21:21:28,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672244140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:28,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593848730] [2021-07-09 21:21:28,277 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 [2021-07-09 21:21:28,320 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 21:21:28,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:28,321 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 55 conjunts are in the unsatisfiable core [2021-07-09 21:21:28,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:29,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:29,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:21:29,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:29,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:29,107 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 43 treesize of output 19 [2021-07-09 21:21:29,108 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 21:21:29,113 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:21:29,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 21:21:29,114 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:3 [2021-07-09 21:21:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:29,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593848730] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:29,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:29,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 37 [2021-07-09 21:21:29,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170452312] [2021-07-09 21:21:29,141 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-09 21:21:29,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:29,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-09 21:21:29,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 21:21:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:29,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:29,142 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) [2021-07-09 21:21:29,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:29,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:29,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:29,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:29,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:31,433 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2021-07-09 21:21:31,777 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2021-07-09 21:21:32,101 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2021-07-09 21:21:32,512 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 104 [2021-07-09 21:21:32,665 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2021-07-09 21:21:32,963 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2021-07-09 21:21:33,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:33,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:21:33,980 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:33,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:33,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1502281795, now seen corresponding path program 6 times [2021-07-09 21:21:33,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:33,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332237422] [2021-07-09 21:21:33,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:34,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:34,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332237422] [2021-07-09 21:21:34,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332237422] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:34,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313888783] [2021-07-09 21:21:34,161 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 [2021-07-09 21:21:34,206 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-09 21:21:34,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:34,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-09 21:21:34,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:34,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313888783] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:34,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:34,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-09 21:21:34,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163757311] [2021-07-09 21:21:34,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-09 21:21:34,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:34,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-09 21:21:34,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-07-09 21:21:34,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:34,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:34,603 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) [2021-07-09 21:21:34,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:34,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:34,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:34,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:34,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:34,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:34,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:34,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:35,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:21:35,118 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:35,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:35,118 INFO L82 PathProgramCache]: Analyzing trace with hash 616833919, now seen corresponding path program 7 times [2021-07-09 21:21:35,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:35,120 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100862095] [2021-07-09 21:21:35,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:36,196 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 36 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:36,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:36,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100862095] [2021-07-09 21:21:36,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100862095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:36,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563184189] [2021-07-09 21:21:36,196 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 [2021-07-09 21:21:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:36,238 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 88 conjunts are in the unsatisfiable core [2021-07-09 21:21:36,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:37,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:21:37,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:21:37,420 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 69 treesize of output 27 [2021-07-09 21:21:37,421 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 21:21:37,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:21:37,426 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 21:21:37,426 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:3 [2021-07-09 21:21:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:37,458 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563184189] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:37,458 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:37,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 49 [2021-07-09 21:21:37,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043520735] [2021-07-09 21:21:37,458 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-09 21:21:37,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:37,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-09 21:21:37,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2179, Unknown=0, NotChecked=0, Total=2352 [2021-07-09 21:21:37,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:37,459 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:37,459 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) [2021-07-09 21:21:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:41,163 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2021-07-09 21:21:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:21:41,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-09 21:21:41,606 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:41,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:41,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1677637445, now seen corresponding path program 8 times [2021-07-09 21:21:41,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:41,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51365690] [2021-07-09 21:21:41,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:41,881 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 100 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:41,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:41,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51365690] [2021-07-09 21:21:41,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51365690] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:41,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334120162] [2021-07-09 21:21:41,881 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 [2021-07-09 21:21:41,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 21:21:41,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:41,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-09 21:21:41,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 121 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:42,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334120162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:42,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:42,522 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 49 [2021-07-09 21:21:42,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106529259] [2021-07-09 21:21:42,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-09 21:21:42,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:42,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-09 21:21:42,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1934, Unknown=0, NotChecked=0, Total=2352 [2021-07-09 21:21:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:42,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:42,524 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) [2021-07-09 21:21:42,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:42,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:42,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:42,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:42,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:42,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:42,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:21:42,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:43,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:21:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:43,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:21:43,877 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:43,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:43,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1423090991, now seen corresponding path program 9 times [2021-07-09 21:21:43,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:43,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895161002] [2021-07-09 21:21:43,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 172 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:44,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:44,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895161002] [2021-07-09 21:21:44,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895161002] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:44,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072845531] [2021-07-09 21:21:44,273 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 [2021-07-09 21:21:44,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-07-09 21:21:44,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:44,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-09 21:21:44,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 172 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:45,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072845531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:45,158 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:45,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 60 [2021-07-09 21:21:45,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886553399] [2021-07-09 21:21:45,158 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-07-09 21:21:45,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:45,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-07-09 21:21:45,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=2872, Unknown=0, NotChecked=0, Total=3540 [2021-07-09 21:21:45,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:45,160 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:45,160 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) [2021-07-09 21:21:45,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:45,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:45,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:45,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:45,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:45,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:45,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:21:45,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:45,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:21:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:45,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:21:45,685 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:45,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:45,685 INFO L82 PathProgramCache]: Analyzing trace with hash -156926293, now seen corresponding path program 10 times [2021-07-09 21:21:45,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:45,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636985210] [2021-07-09 21:21:45,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:46,103 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 159 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:46,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:46,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636985210] [2021-07-09 21:21:46,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636985210] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:46,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285680162] [2021-07-09 21:21:46,104 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 [2021-07-09 21:21:46,144 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 21:21:46,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:46,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-09 21:21:46,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 185 proven. 209 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 21:21:47,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285680162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:47,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:47,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 64 [2021-07-09 21:21:47,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794982209] [2021-07-09 21:21:47,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-09 21:21:47,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:47,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-09 21:21:47,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=3498, Unknown=0, NotChecked=0, Total=4032 [2021-07-09 21:21:47,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:47,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:47,010 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) [2021-07-09 21:21:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:21:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:21:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:48,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-09 21:21:48,757 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:48,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:48,757 INFO L82 PathProgramCache]: Analyzing trace with hash 2092412391, now seen corresponding path program 11 times [2021-07-09 21:21:48,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:48,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700449083] [2021-07-09 21:21:48,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 144 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:51,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:51,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700449083] [2021-07-09 21:21:51,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700449083] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:51,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216198418] [2021-07-09 21:21:51,018 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 [2021-07-09 21:21:51,078 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-07-09 21:21:51,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:51,080 WARN L261 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 136 conjunts are in the unsatisfiable core [2021-07-09 21:21:51,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:53,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:21:53,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:53,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:21:53,830 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 105 treesize of output 39 [2021-07-09 21:21:53,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 21:21:53,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:21:53,837 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-09 21:21:53,837 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:111, output treesize:3 [2021-07-09 21:21:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:21:53,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216198418] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:53,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:53,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 73 [2021-07-09 21:21:53,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378257887] [2021-07-09 21:21:53,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-09 21:21:53,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:53,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-09 21:21:53,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=4948, Unknown=0, NotChecked=0, Total=5256 [2021-07-09 21:21:53,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:53,893 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:53,893 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) [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:53,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:55,426 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 52 [2021-07-09 21:22:00,887 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2021-07-09 21:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:22:01,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 21:22:01,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-09 21:22:01,304 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:22:01,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:22:01,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1130880803, now seen corresponding path program 12 times [2021-07-09 21:22:01,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:22:01,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071887298] [2021-07-09 21:22:01,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:22:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:22:01,836 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 256 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:22:01,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:22:01,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071887298] [2021-07-09 21:22:01,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071887298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:22:01,837 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580338797] [2021-07-09 21:22:01,837 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 [2021-07-09 21:22:01,893 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-07-09 21:22:01,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:22:01,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-09 21:22:01,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:22:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 289 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:22:03,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580338797] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:22:03,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:22:03,162 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 73 [2021-07-09 21:22:03,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571163973] [2021-07-09 21:22:03,162 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-09 21:22:03,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:22:03,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-09 21:22:03,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=940, Invalid=4316, Unknown=0, NotChecked=0, Total=5256 [2021-07-09 21:22:03,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:22:03,164 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:22:03,164 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) [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:22:03,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 21:22:03,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:22:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 21:22:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-09 21:22:05,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-09 21:22:05,559 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:22:05,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:22:05,559 INFO L82 PathProgramCache]: Analyzing trace with hash 597901207, now seen corresponding path program 13 times [2021-07-09 21:22:05,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:22:05,560 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361501727] [2021-07-09 21:22:05,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:22:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:22:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 364 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:22:06,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:22:06,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361501727] [2021-07-09 21:22:06,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361501727] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:22:06,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481890024] [2021-07-09 21:22:06,244 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 [2021-07-09 21:22:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:22:06,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-09 21:22:06,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:22:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 394 proven. 324 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-09 21:22:07,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481890024] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:22:07,660 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:22:07,660 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 40] total 82 [2021-07-09 21:22:07,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254893059] [2021-07-09 21:22:07,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-09 21:22:07,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:22:07,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-09 21:22:07,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=867, Invalid=5775, Unknown=0, NotChecked=0, Total=6642 [2021-07-09 21:22:07,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:22:07,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:22:07,663 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) [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-09 21:22:07,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:22:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-09 21:22:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-09 21:22:09,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:22:09,989 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:22:09,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:22:09,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1609614611, now seen corresponding path program 14 times [2021-07-09 21:22:09,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:22:09,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176404786] [2021-07-09 21:22:09,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:22:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:22:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 345 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:22:10,709 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:22:10,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176404786] [2021-07-09 21:22:10,709 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176404786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:22:10,709 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091615365] [2021-07-09 21:22:10,709 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 [2021-07-09 21:22:10,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 21:22:10,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:22:10,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-09 21:22:10,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:22:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 383 proven. 419 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 21:22:11,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091615365] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:22:11,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:22:11,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44] total 88 [2021-07-09 21:22:11,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336587496] [2021-07-09 21:22:11,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-09 21:22:11,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:22:11,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-09 21:22:11,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=996, Invalid=6660, Unknown=0, NotChecked=0, Total=7656 [2021-07-09 21:22:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:22:11,864 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:22:11,864 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) [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-09 21:22:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-09 21:22:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-09 21:22:13,978 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:22:13,978 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:22:13,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:22:13,979 INFO L82 PathProgramCache]: Analyzing trace with hash 695730255, now seen corresponding path program 15 times [2021-07-09 21:22:13,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:22:13,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63991756] [2021-07-09 21:22:13,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:22:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:22:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 324 proven. 564 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:22:17,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:22:17,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63991756] [2021-07-09 21:22:17,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63991756] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:22:17,723 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940198294] [2021-07-09 21:22:17,723 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 [2021-07-09 21:22:17,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2021-07-09 21:22:17,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:22:17,808 WARN L261 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 189 conjunts are in the unsatisfiable core [2021-07-09 21:22:17,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:22:26,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:22:26,318 INFO L244 Elim1Store]: Index analysis took 237 ms [2021-07-09 21:22:26,910 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2021-07-09 21:22:26,910 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:22:26,910 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 161 treesize of output 729 [2021-07-09 21:22:27,439 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 397 [2021-07-09 21:22:27,715 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 397 [2021-07-09 21:22:28,040 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 423 [2021-07-09 21:22:30,788 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1504 DAG size of output: 954 [2021-07-09 21:22:33,521 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 1516 DAG size of output: 966 [2021-07-09 21:22:39,672 WARN L205 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 1640 DAG size of output: 1576 [2021-07-09 21:22:46,466 WARN L205 SmtUtils]: Spent 6.75 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1598 [2021-07-09 21:23:50,575 WARN L205 SmtUtils]: Spent 1.07 m on a formula simplification. DAG size of input: 5403 DAG size of output: 4513 [2021-07-09 21:24:57,584 WARN L205 SmtUtils]: Spent 1.11 m on a formula simplification. DAG size of input: 5407 DAG size of output: 4517 [2021-07-09 21:26:37,566 WARN L205 SmtUtils]: Spent 1.66 m on a formula simplification. DAG size of input: 6817 DAG size of output: 5732 [2021-07-09 21:28:27,172 WARN L205 SmtUtils]: Spent 1.82 m on a formula simplification. DAG size of input: 6832 DAG size of output: 5747 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown