/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 21:20:34,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 21:20:34,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 21:20:34,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-09 21:20:34,833 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 21:20:34,873 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 21:20:34,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 21:20:34,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 21:20:34,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 21:20:34,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 21:20:34,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 21:20:34,876 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 21:20:34,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 21:20:34,876 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 21:20:34,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 21:20:34,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 21:20:34,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 21:20:34,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 21:20:34,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 21:20:34,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 21:20:34,877 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 21:20:34,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 21:20:34,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 21:20:34,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 21:20:34,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 21:20:34,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 21:20:34,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 21:20:34,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 21:20:34,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 21:20:34,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 21:20:34,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 21:20:34,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 21:20:34,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 21:20:34,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 21:20:34,879 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 21:20:34,879 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 21:20:34,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 21:20:34,879 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 21:20:35,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 21:20:35,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 21:20:35,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 21:20:35,161 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 21:20:35,162 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 21:20:35,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-07-09 21:20:35,163 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-07-09 21:20:35,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 21:20:35,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 21:20:35,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 21:20:35,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 21:20:35,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 21:20:35,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (1/1) ... [2021-07-09 21:20:35,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (1/1) ... [2021-07-09 21:20:35,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 21:20:35,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 21:20:35,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 21:20:35,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 21:20:35,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (1/1) ... [2021-07-09 21:20:35,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (1/1) ... [2021-07-09 21:20:35,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (1/1) ... [2021-07-09 21:20:35,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (1/1) ... [2021-07-09 21:20:35,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (1/1) ... [2021-07-09 21:20:35,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (1/1) ... [2021-07-09 21:20:35,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (1/1) ... [2021-07-09 21:20:35,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 21:20:35,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 21:20:35,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 21:20:35,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 21:20:35,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (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 21:20:35,317 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 21:20:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 21:20:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 21:20:35,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 21:20:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 21:20:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 21:20:35,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 21:20:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 21:20:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 21:20:35,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-09 21:20:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-09 21:20:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-09 21:20:35,319 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 21:20:35,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 21:20:35,518 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-09 21:20:35,520 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 09:20:35 BoogieIcfgContainer [2021-07-09 21:20:35,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 21:20:35,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 21:20:35,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 21:20:35,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 21:20:35,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 09:20:35" (1/2) ... [2021-07-09 21:20:35,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e6dc28b and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 09:20:35, skipping insertion in model container [2021-07-09 21:20:35,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 09:20:35" (2/2) ... [2021-07-09 21:20:35,525 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-07-09 21:20:35,529 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 21:20:35,529 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 21:20:35,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 21:20:35,530 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 21:20:35,601 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-09 21:20:35,620 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 21:20:35,657 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 21:20:35,658 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 21:20:35,658 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 21:20:35,658 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 21:20:35,658 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 21:20:35,658 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 21:20:35,658 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 21:20:35,658 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 21:20:35,680 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-07-09 21:20:35,694 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 21:20:35,701 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:20:35,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:20:35,705 INFO L82 PathProgramCache]: Analyzing trace with hash -924986746, now seen corresponding path program 1 times [2021-07-09 21:20:35,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:20:35,711 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387612634] [2021-07-09 21:20:35,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:20:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:35,936 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 21:20:35,936 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:20:35,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387612634] [2021-07-09 21:20:35,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387612634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:35,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207549654] [2021-07-09 21:20:35,938 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 21:20:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:35,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-09 21:20:35,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:20:36,150 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 21:20:36,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207549654] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:36,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:20:36,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-09 21:20:36,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551622109] [2021-07-09 21:20:36,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 21:20:36,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:20:36,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 21:20:36,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-09 21:20:36,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:36,170 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:20:36,171 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 21:20:36,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:36,493 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-09 21:20:36,495 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:20:36,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:20:36,496 INFO L82 PathProgramCache]: Analyzing trace with hash -718642012, now seen corresponding path program 2 times [2021-07-09 21:20:36,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:20:36,496 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158525931] [2021-07-09 21:20:36,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:20:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:36,914 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 21:20:36,915 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:20:36,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158525931] [2021-07-09 21:20:36,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158525931] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:36,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333349353] [2021-07-09 21:20:36,917 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 21:20:36,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 21:20:36,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:20:36,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-09 21:20:36,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:20:37,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:37,444 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:20:37,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 28 [2021-07-09 21:20:37,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 21:20:37,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:20:37,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-09 21:20:37,509 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:73 [2021-07-09 21:20:37,611 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 21:20:37,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333349353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:37,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:20:37,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-09 21:20:37,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156411731] [2021-07-09 21:20:37,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 21:20:37,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:20:37,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 21:20:37,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-07-09 21:20:37,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:37,614 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:20:37,614 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 21:20:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:37,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:38,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:38,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:20:38,685 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:20:38,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:20:38,685 INFO L82 PathProgramCache]: Analyzing trace with hash 301283936, now seen corresponding path program 3 times [2021-07-09 21:20:38,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:20:38,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623545819] [2021-07-09 21:20:38,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:20:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:38,763 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 21:20:38,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:20:38,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623545819] [2021-07-09 21:20:38,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623545819] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:38,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393200242] [2021-07-09 21:20:38,764 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 21:20:38,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-09 21:20:38,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:20:38,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-09 21:20:38,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:20:38,924 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 21:20:38,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393200242] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:38,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:20:38,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-07-09 21:20:38,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189407330] [2021-07-09 21:20:38,926 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 21:20:38,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:20:38,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 21:20:38,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-07-09 21:20:38,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:38,930 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:20:38,930 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 21:20:38,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:38,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:38,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:39,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:39,368 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:20:39,369 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:20:39,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:20:39,369 INFO L82 PathProgramCache]: Analyzing trace with hash -162980508, now seen corresponding path program 4 times [2021-07-09 21:20:39,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:20:39,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656206603] [2021-07-09 21:20:39,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:20:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:39,451 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 21:20:39,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:20:39,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656206603] [2021-07-09 21:20:39,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656206603] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:39,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563929834] [2021-07-09 21:20:39,451 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 21:20:39,487 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 21:20:39,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:20:39,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-09 21:20:39,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:20:39,607 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 21:20:39,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563929834] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:39,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:20:39,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 18 [2021-07-09 21:20:39,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810574070] [2021-07-09 21:20:39,609 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 21:20:39,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:20:39,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 21:20:39,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-07-09 21:20:39,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:39,610 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:20:39,610 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 21:20:39,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:39,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:39,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:39,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:39,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:39,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:39,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:39,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:39,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:20:39,965 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:20:39,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:20:39,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1455061664, now seen corresponding path program 5 times [2021-07-09 21:20:39,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:20:39,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048298344] [2021-07-09 21:20:39,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:20:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 21:20:40,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:20:40,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048298344] [2021-07-09 21:20:40,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048298344] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:40,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951171160] [2021-07-09 21:20:40,731 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 21:20:40,766 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-09 21:20:40,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:20:40,768 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-09 21:20:40,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:20:41,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:41,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:41,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:20:41,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:41,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:41,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:41,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2021-07-09 21:20:41,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 21:20:41,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:20:41,631 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 21:20:41,631 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:56, output treesize:5 [2021-07-09 21:20:41,656 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 21:20:41,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951171160] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:41,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:20:41,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 37 [2021-07-09 21:20:41,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92862700] [2021-07-09 21:20:41,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-09 21:20:41,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:20:41,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-09 21:20:41,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1216, Unknown=0, NotChecked=0, Total=1332 [2021-07-09 21:20:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:41,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:20:41,658 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 21:20:41,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:41,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:41,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:41,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:41,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:44,058 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 91 [2021-07-09 21:20:44,462 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 101 [2021-07-09 21:20:44,784 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 96 [2021-07-09 21:20:45,163 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2021-07-09 21:20:45,318 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2021-07-09 21:20:45,635 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2021-07-09 21:20:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:46,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:46,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:20:46,685 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:20:46,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:20:46,685 INFO L82 PathProgramCache]: Analyzing trace with hash 224556050, now seen corresponding path program 6 times [2021-07-09 21:20:46,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:20:46,686 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304811911] [2021-07-09 21:20:46,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:20:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:46,863 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 21:20:46,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:20:46,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304811911] [2021-07-09 21:20:46,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304811911] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:46,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660566173] [2021-07-09 21:20:46,863 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 21:20:46,908 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-09 21:20:46,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:20:46,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-09 21:20:46,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:20:47,280 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 21:20:47,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660566173] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:47,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:20:47,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-09 21:20:47,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706943083] [2021-07-09 21:20:47,281 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-09 21:20:47,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:20:47,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-09 21:20:47,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-07-09 21:20:47,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:47,282 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:20:47,282 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 21:20:47,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:47,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:47,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:47,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:47,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:47,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:20:47,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:20:47,841 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:20:47,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:20:47,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1727502286, now seen corresponding path program 7 times [2021-07-09 21:20:47,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:20:47,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995560468] [2021-07-09 21:20:47,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:20:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:48,875 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 21:20:48,875 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:20:48,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995560468] [2021-07-09 21:20:48,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995560468] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:48,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41255572] [2021-07-09 21:20:48,875 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 21:20:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:48,913 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-07-09 21:20:48,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:20:50,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:50,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:50,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:50,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:50,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:50,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:50,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:50,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:50,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:20:50,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:20:50,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:20:50,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 30 [2021-07-09 21:20:50,172 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 21:20:50,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:20:50,176 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 21:20:50,176 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:78, output treesize:5 [2021-07-09 21:20:50,207 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 21:20:50,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41255572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:50,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:20:50,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 49 [2021-07-09 21:20:50,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490195613] [2021-07-09 21:20:50,208 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-09 21:20:50,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:20:50,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-09 21:20:50,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2179, Unknown=0, NotChecked=0, Total=2352 [2021-07-09 21:20:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:50,209 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:20:50,209 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 21:20:50,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:50,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:50,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:50,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:50,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:50,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:20:50,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:20:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:20:53,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-09 21:20:53,705 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:20:53,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:20:53,705 INFO L82 PathProgramCache]: Analyzing trace with hash -442729078, now seen corresponding path program 8 times [2021-07-09 21:20:53,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:20:53,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267839061] [2021-07-09 21:20:53,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:20:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:53,943 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 21:20:53,943 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:20:53,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267839061] [2021-07-09 21:20:53,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267839061] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:53,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018067424] [2021-07-09 21:20:53,943 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 21:20:53,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 21:20:53,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:20:53,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-09 21:20:53,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:20:54,554 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 21:20:54,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018067424] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:54,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:20:54,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 49 [2021-07-09 21:20:54,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298816230] [2021-07-09 21:20:54,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-09 21:20:54,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:20:54,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-09 21:20:54,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1934, Unknown=0, NotChecked=0, Total=2352 [2021-07-09 21:20:54,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:54,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:20:54,556 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 21:20:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:20:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:20:54,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:20:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:20:55,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:20:55,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:20:55,728 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:20:55,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:20:55,728 INFO L82 PathProgramCache]: Analyzing trace with hash 69966718, now seen corresponding path program 9 times [2021-07-09 21:20:55,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:20:55,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244820326] [2021-07-09 21:20:55,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:20:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:56,084 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 21:20:56,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:20:56,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244820326] [2021-07-09 21:20:56,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244820326] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:56,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842777223] [2021-07-09 21:20:56,084 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 21:20:56,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-07-09 21:20:56,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:20:56,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-09 21:20:56,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:20:56,837 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 21:20:56,837 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842777223] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:56,837 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:20:56,837 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 60 [2021-07-09 21:20:56,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950056299] [2021-07-09 21:20:56,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-07-09 21:20:56,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:20:56,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-07-09 21:20:56,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=2872, Unknown=0, NotChecked=0, Total=3540 [2021-07-09 21:20:56,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:56,839 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:20:56,839 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 21:20:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:56,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:56,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:56,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:56,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:56,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:20:56,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:20:56,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:20:56,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:57,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:57,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:57,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:57,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:20:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:20:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:20:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:20:57,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:20:57,372 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:20:57,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:20:57,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1160432262, now seen corresponding path program 10 times [2021-07-09 21:20:57,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:20:57,372 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696451466] [2021-07-09 21:20:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:20:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:20:57,714 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 21:20:57,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:20:57,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696451466] [2021-07-09 21:20:57,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696451466] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:57,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103833315] [2021-07-09 21:20:57,714 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 21:20:57,751 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-09 21:20:57,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:20:57,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-09 21:20:57,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:20:58,499 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 21:20:58,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103833315] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:20:58,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:20:58,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 64 [2021-07-09 21:20:58,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541414872] [2021-07-09 21:20:58,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-09 21:20:58,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:20:58,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-09 21:20:58,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=3498, Unknown=0, NotChecked=0, Total=4032 [2021-07-09 21:20:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:58,502 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:20:58,502 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 21:20:58,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:58,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:58,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:58,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:58,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:58,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:20:58,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:20:58,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:20:58,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:20:58,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:20:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:20:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:20:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:20:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:20:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:20:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:20:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:20:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:20:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:20:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:00,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-09 21:21:00,077 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:00,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:00,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1821776586, now seen corresponding path program 11 times [2021-07-09 21:21:00,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:00,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681859947] [2021-07-09 21:21:00,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:02,165 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 21:21:02,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:02,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681859947] [2021-07-09 21:21:02,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681859947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:02,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583051603] [2021-07-09 21:21:02,166 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 21:21:02,222 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-07-09 21:21:02,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:02,224 WARN L261 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 138 conjunts are in the unsatisfiable core [2021-07-09 21:21:02,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:21:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:05,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-09 21:21:05,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 120 disjoint index pairs (out of 153 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-07-09 21:21:05,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-09 21:21:05,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:21:05,045 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 21:21:05,045 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:114, output treesize:5 [2021-07-09 21:21:05,085 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 21:21:05,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583051603] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:05,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:05,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 73 [2021-07-09 21:21:05,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490089125] [2021-07-09 21:21:05,086 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-09 21:21:05,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:05,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-09 21:21:05,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=4948, Unknown=0, NotChecked=0, Total=5256 [2021-07-09 21:21:05,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:05,087 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:05,087 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 21:21:05,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:21:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:21:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:21:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:21:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:13,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-09 21:21:13,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-09 21:21:13,265 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:13,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:13,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1368893710, now seen corresponding path program 12 times [2021-07-09 21:21:13,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:13,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137265836] [2021-07-09 21:21:13,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:13,763 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 21:21:13,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:13,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137265836] [2021-07-09 21:21:13,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137265836] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:13,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557087483] [2021-07-09 21:21:13,764 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 21:21:13,830 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-07-09 21:21:13,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:13,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-09 21:21:13,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:14,888 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 21:21:14,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557087483] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:14,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:14,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 73 [2021-07-09 21:21:14,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401346562] [2021-07-09 21:21:14,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-09 21:21:14,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:14,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-09 21:21:14,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=940, Invalid=4316, Unknown=0, NotChecked=0, Total=5256 [2021-07-09 21:21:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:14,891 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:14,891 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 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-09 21:21:14,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-09 21:21:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-09 21:21:16,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-09 21:21:16,981 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:16,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:16,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1335163110, now seen corresponding path program 13 times [2021-07-09 21:21:16,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:16,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929188769] [2021-07-09 21:21:16,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:17,509 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 21:21:17,510 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:17,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929188769] [2021-07-09 21:21:17,510 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929188769] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:17,510 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427851236] [2021-07-09 21:21:17,510 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 21:21:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:17,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-09 21:21:17,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:18,660 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 21:21:18,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427851236] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:18,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:18,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 40] total 82 [2021-07-09 21:21:18,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016190416] [2021-07-09 21:21:18,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-09 21:21:18,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:18,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-09 21:21:18,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=867, Invalid=5775, Unknown=0, NotChecked=0, Total=6642 [2021-07-09 21:21:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:18,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:18,664 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 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-09 21:21:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:20,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-09 21:21:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-09 21:21:20,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:21:20,601 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:20,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:20,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1352646370, now seen corresponding path program 14 times [2021-07-09 21:21:20,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:20,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111759488] [2021-07-09 21:21:20,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:21,225 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 21:21:21,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:21,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111759488] [2021-07-09 21:21:21,226 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111759488] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:21,226 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490559554] [2021-07-09 21:21:21,226 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 21:21:21,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 21:21:21,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:21,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-09 21:21:21,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:22,541 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 21:21:22,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490559554] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:22,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 21:21:22,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44] total 88 [2021-07-09 21:21:22,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971200930] [2021-07-09 21:21:22,541 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-09 21:21:22,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:21:22,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-09 21:21:22,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=996, Invalid=6660, Unknown=0, NotChecked=0, Total=7656 [2021-07-09 21:21:22,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:22,543 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 21:21:22,544 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 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-09 21:21:22,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-09 21:21:24,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-09 21:21:24,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 21:21:24,938 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 21:21:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:21:24,939 INFO L82 PathProgramCache]: Analyzing trace with hash -984614242, now seen corresponding path program 15 times [2021-07-09 21:21:24,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:21:24,939 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952968332] [2021-07-09 21:21:24,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:21:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:21:28,744 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 21:21:28,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:21:28,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952968332] [2021-07-09 21:21:28,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952968332] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 21:21:28,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232908819] [2021-07-09 21:21:28,745 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 21:21:28,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2021-07-09 21:21:28,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 21:21:28,836 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 191 conjunts are in the unsatisfiable core [2021-07-09 21:21:28,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 21:21:36,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:36,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-09 21:21:37,045 INFO L244 Elim1Store]: Index analysis took 216 ms [2021-07-09 21:21:37,599 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2021-07-09 21:21:37,600 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:21:37,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 462 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 66 case distinctions, treesize of input 164 treesize of output 732 [2021-07-09 21:21:38,292 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 532 [2021-07-09 21:21:38,769 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 532 [2021-07-09 21:21:39,332 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 559 [2021-07-09 21:21:44,265 WARN L205 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 1645 DAG size of output: 1758 [2021-07-09 21:21:49,888 WARN L205 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 1667 DAG size of output: 1781 [2021-07-09 21:22:31,347 WARN L205 SmtUtils]: Spent 41.29 s on a formula simplification. DAG size of input: 6528 DAG size of output: 6051 [2021-07-09 21:23:12,970 WARN L205 SmtUtils]: Spent 41.34 s on a formula simplification. DAG size of input: 6540 DAG size of output: 6064 [2021-07-09 21:25:02,421 WARN L205 SmtUtils]: Spent 1.82 m on a formula simplification. DAG size of input: 10102 DAG size of output: 9955 [2021-07-09 21:26:58,085 WARN L205 SmtUtils]: Spent 1.92 m on a formula simplification. DAG size of input: 10106 DAG size of output: 9959 [2021-07-09 21:30:18,981 WARN L205 SmtUtils]: Spent 3.34 m on a formula simplification. DAG size of input: 9806 DAG size of output: 9339 [2021-07-09 21:33:56,722 WARN L205 SmtUtils]: Spent 3.62 m on a formula simplification. DAG size of input: 9824 DAG size of output: 9355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown