/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 22:44:15,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 22:44:15,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 22:44:15,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 22:44:15,124 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-07-14 22:44:15,157 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 22:44:15,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 22:44:15,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 22:44:15,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 22:44:15,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 22:44:15,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 22:44:15,159 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 22:44:15,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 22:44:15,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 22:44:15,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 22:44:15,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 22:44:15,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 22:44:15,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 22:44:15,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 22:44:15,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 22:44:15,160 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 22:44:15,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 22:44:15,160 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 22:44:15,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 22:44:15,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 22:44:15,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 22:44:15,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 22:44:15,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 22:44:15,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:44:15,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 22:44:15,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 22:44:15,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 22:44:15,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 22:44:15,162 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 22:44:15,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 22:44:15,162 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 22:44:15,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 22:44:15,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 22:44:15,163 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 22:44:15,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 22:44:15,163 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 22:44:15,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 22:44:15,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 22:44:15,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 22:44:15,489 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 22:44:15,491 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 22:44:15,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl [2021-07-14 22:44:15,492 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/channel-sum.wvr.bpl' [2021-07-14 22:44:15,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 22:44:15,516 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 22:44:15,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 22:44:15,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 22:44:15,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 22:44:15,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (1/1) ... [2021-07-14 22:44:15,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (1/1) ... [2021-07-14 22:44:15,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 22:44:15,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 22:44:15,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 22:44:15,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 22:44:15,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (1/1) ... [2021-07-14 22:44:15,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (1/1) ... [2021-07-14 22:44:15,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (1/1) ... [2021-07-14 22:44:15,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (1/1) ... [2021-07-14 22:44:15,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (1/1) ... [2021-07-14 22:44:15,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (1/1) ... [2021-07-14 22:44:15,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (1/1) ... [2021-07-14 22:44:15,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 22:44:15,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 22:44:15,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 22:44:15,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 22:44:15,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (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 [2021-07-14 22:44:15,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 22:44:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 22:44:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 22:44:15,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 22:44:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 22:44:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 22:44:15,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 22:44:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 22:44:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 22:44:15,633 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 22:44:15,879 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 22:44:15,879 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 22:44:15,880 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 22:44:15,881 INFO L202 PluginConnector]: Adding new model channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:44:15 BoogieIcfgContainer [2021-07-14 22:44:15,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 22:44:15,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 22:44:15,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 22:44:15,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 22:44:15,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:15" (1/2) ... [2021-07-14 22:44:15,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c63913c and model type channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:44:15, skipping insertion in model container [2021-07-14 22:44:15,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "channel-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:44:15" (2/2) ... [2021-07-14 22:44:15,888 INFO L111 eAbstractionObserver]: Analyzing ICFG channel-sum.wvr.bpl [2021-07-14 22:44:15,901 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 22:44:15,901 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 22:44:15,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 22:44:15,902 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 22:44:15,924 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 22:44:15,943 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-07-14 22:44:16,009 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 22:44:16,010 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 22:44:16,010 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 22:44:16,010 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 22:44:16,010 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 22:44:16,010 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 22:44:16,010 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 22:44:16,010 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 22:44:16,130 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:16,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:16,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1166233098, now seen corresponding path program 1 times [2021-07-14 22:44:16,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:16,148 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39728461] [2021-07-14 22:44:16,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:16,263 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:16,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39728461] [2021-07-14 22:44:16,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39728461] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:44:16,265 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:44:16,265 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 22:44:16,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26435434] [2021-07-14 22:44:16,269 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:44:16,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:16,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:44:16,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:44:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:16,287 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:16,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-07-14 22:44:16,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:16,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:16,325 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 22:44:16,325 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:16,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:16,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1464080918, now seen corresponding path program 1 times [2021-07-14 22:44:16,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:16,329 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767671699] [2021-07-14 22:44:16,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:44:16,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:16,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767671699] [2021-07-14 22:44:16,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767671699] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:44:16,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:44:16,412 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 22:44:16,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627155470] [2021-07-14 22:44:16,413 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:44:16,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:16,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:44:16,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:44:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:16,414 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:16,414 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-07-14 22:44:16,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:16,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:16,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:16,435 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 22:44:16,435 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:16,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:16,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1407154483, now seen corresponding path program 1 times [2021-07-14 22:44:16,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:16,436 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105762430] [2021-07-14 22:44:16,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:16,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:16,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105762430] [2021-07-14 22:44:16,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105762430] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:16,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498281929] [2021-07-14 22:44:16,513 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) [2021-07-14 22:44:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:16,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 22:44:16,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:16,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 22:44:16,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:16,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:16,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:16,761 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2021-07-14 22:44:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:16,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498281929] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:16,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:16,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-14 22:44:16,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134460917] [2021-07-14 22:44:16,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 22:44:16,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:16,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 22:44:16,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 22:44:16,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:16,796 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:16,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-07-14 22:44:16,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:16,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:16,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:17,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:17,074 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:17,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:17,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1199813836, now seen corresponding path program 2 times [2021-07-14 22:44:17,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:17,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056806453] [2021-07-14 22:44:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:17,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:17,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056806453] [2021-07-14 22:44:17,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056806453] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:17,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239588120] [2021-07-14 22:44:17,113 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 [2021-07-14 22:44:17,149 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:44:17,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:17,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 22:44:17,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:17,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239588120] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:17,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:17,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2021-07-14 22:44:17,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802645945] [2021-07-14 22:44:17,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 22:44:17,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:17,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 22:44:17,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 22:44:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:17,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:17,199 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-07-14 22:44:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:17,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:17,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:17,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:17,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:17,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:17,440 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:17,441 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:17,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:17,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1444971574, now seen corresponding path program 1 times [2021-07-14 22:44:17,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:17,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551757399] [2021-07-14 22:44:17,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:17,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:17,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551757399] [2021-07-14 22:44:17,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551757399] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:17,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339930543] [2021-07-14 22:44:17,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-14 22:44:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:17,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 22:44:17,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:17,822 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 22:44:17,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 18 [2021-07-14 22:44:17,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:17,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:17,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:17,830 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:12 [2021-07-14 22:44:17,853 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:17,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339930543] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:17,854 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:17,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-07-14 22:44:17,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226432561] [2021-07-14 22:44:17,856 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 22:44:17,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:17,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 22:44:17,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-07-14 22:44:17,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:17,857 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:17,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 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) [2021-07-14 22:44:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:17,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:17,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:17,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:17,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:17,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:17,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:17,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:17,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:17,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:18,175 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:18,175 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:18,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:18,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1903819765, now seen corresponding path program 2 times [2021-07-14 22:44:18,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:18,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448371743] [2021-07-14 22:44:18,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:18,216 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:18,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448371743] [2021-07-14 22:44:18,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448371743] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:18,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942230315] [2021-07-14 22:44:18,217 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 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 [2021-07-14 22:44:18,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:44:18,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:18,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 22:44:18,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:18,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942230315] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:18,342 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:18,342 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-07-14 22:44:18,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496748424] [2021-07-14 22:44:18,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 22:44:18,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:18,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 22:44:18,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-14 22:44:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:18,343 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:18,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2021-07-14 22:44:18,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:18,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:18,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:18,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:18,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:18,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:18,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:18,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:18,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:18,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:18,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 22:44:18,589 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:18,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:18,589 INFO L82 PathProgramCache]: Analyzing trace with hash 342376139, now seen corresponding path program 3 times [2021-07-14 22:44:18,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:18,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759254864] [2021-07-14 22:44:18,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 22:44:18,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:18,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759254864] [2021-07-14 22:44:18,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759254864] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:44:18,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:44:18,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 22:44:18,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080969862] [2021-07-14 22:44:18,620 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 22:44:18,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:18,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 22:44:18,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 22:44:18,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:18,621 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:18,622 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-07-14 22:44:18,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:18,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:18,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:18,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:18,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:18,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:18,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:18,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:18,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 22:44:18,651 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:18,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:18,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1809859605, now seen corresponding path program 4 times [2021-07-14 22:44:18,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:18,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31145390] [2021-07-14 22:44:18,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:44:18,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:18,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31145390] [2021-07-14 22:44:18,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31145390] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:18,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324516562] [2021-07-14 22:44:18,912 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 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 [2021-07-14 22:44:18,954 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:44:18,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:18,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 22:44:18,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:19,195 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-14 22:44:19,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 25 [2021-07-14 22:44:19,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:19,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:19,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:19,203 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:10 [2021-07-14 22:44:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:44:19,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324516562] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:19,214 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:19,214 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 16 [2021-07-14 22:44:19,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699533986] [2021-07-14 22:44:19,216 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 22:44:19,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:19,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 22:44:19,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-07-14 22:44:19,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:19,218 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:19,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 16 states have internal predecessors, (33), 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) [2021-07-14 22:44:19,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:19,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:19,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:19,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:19,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:19,570 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:19,570 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:19,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:19,578 INFO L82 PathProgramCache]: Analyzing trace with hash 373899284, now seen corresponding path program 5 times [2021-07-14 22:44:19,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:19,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810590301] [2021-07-14 22:44:19,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:19,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:19,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810590301] [2021-07-14 22:44:19,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810590301] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:19,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219708666] [2021-07-14 22:44:19,873 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 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 [2021-07-14 22:44:19,913 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 22:44:19,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:19,914 WARN L261 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 22:44:19,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:20,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:20,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:20,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:20,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:20,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:20,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 26 [2021-07-14 22:44:20,485 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:20,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:20,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:20,493 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:62, output treesize:9 [2021-07-14 22:44:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:20,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219708666] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:20,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:20,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-14 22:44:20,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267700091] [2021-07-14 22:44:20,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 22:44:20,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:20,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 22:44:20,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2021-07-14 22:44:20,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:20,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:20,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.0) internal successors, (56), 27 states have internal predecessors, (56), 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) [2021-07-14 22:44:20,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:20,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:20,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:20,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:20,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:20,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:20,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:20,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:20,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:20,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:21,183 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:21,183 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:21,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:21,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1814419571, now seen corresponding path program 6 times [2021-07-14 22:44:21,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:21,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069573919] [2021-07-14 22:44:21,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:44:21,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:21,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069573919] [2021-07-14 22:44:21,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069573919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:21,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826746011] [2021-07-14 22:44:21,545 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 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 [2021-07-14 22:44:21,579 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 22:44:21,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:21,580 WARN L261 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 22:44:21,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:22,086 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-14 22:44:22,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 89 treesize of output 37 [2021-07-14 22:44:22,090 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:22,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:22,095 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:22,095 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:10 [2021-07-14 22:44:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:44:22,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826746011] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:22,114 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:22,115 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 26 [2021-07-14 22:44:22,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834297403] [2021-07-14 22:44:22,118 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 22:44:22,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:22,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 22:44:22,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2021-07-14 22:44:22,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:22,120 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:22,121 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.7407407407407407) internal successors, (47), 26 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:44:22,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:22,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:22,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:22,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:22,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:22,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:22,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:22,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:22,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:22,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:22,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:22,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:22,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:22,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:22,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 22:44:22,529 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:22,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:22,530 INFO L82 PathProgramCache]: Analyzing trace with hash 461059314, now seen corresponding path program 7 times [2021-07-14 22:44:22,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:22,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848237925] [2021-07-14 22:44:22,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:23,090 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:23,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848237925] [2021-07-14 22:44:23,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848237925] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:23,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535222955] [2021-07-14 22:44:23,090 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 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 [2021-07-14 22:44:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:23,137 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 61 conjunts are in the unsatisfiable core [2021-07-14 22:44:23,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:23,784 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-07-14 22:44:23,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 108 treesize of output 44 [2021-07-14 22:44:23,786 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:23,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:23,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:23,790 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:108, output treesize:12 [2021-07-14 22:44:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:23,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535222955] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:23,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:23,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-07-14 22:44:23,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813502569] [2021-07-14 22:44:23,809 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 22:44:23,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:23,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 22:44:23,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=875, Unknown=0, NotChecked=0, Total=992 [2021-07-14 22:44:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:23,810 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:23,810 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.625) internal successors, (52), 31 states have internal predecessors, (52), 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) [2021-07-14 22:44:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:23,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:23,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:23,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:23,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:23,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:23,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:24,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:24,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:24,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:24,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:24,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:24,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:24,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:24,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:24,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:24,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:24,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:24,350 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:24,351 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:24,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:24,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1236021721, now seen corresponding path program 8 times [2021-07-14 22:44:24,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:24,351 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43312875] [2021-07-14 22:44:24,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:24,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:24,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43312875] [2021-07-14 22:44:24,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43312875] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:24,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710145037] [2021-07-14 22:44:24,924 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 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 [2021-07-14 22:44:24,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:44:24,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:24,977 WARN L261 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-14 22:44:24,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:25,761 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-07-14 22:44:25,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 125 treesize of output 49 [2021-07-14 22:44:25,764 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:25,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:25,770 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:25,770 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:125, output treesize:10 [2021-07-14 22:44:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:25,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710145037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:25,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:25,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 36 [2021-07-14 22:44:25,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070620075] [2021-07-14 22:44:25,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 22:44:25,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:25,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 22:44:25,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1191, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 22:44:25,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:25,785 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:25,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 36 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:25,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:26,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:26,417 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:26,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:26,417 INFO L82 PathProgramCache]: Analyzing trace with hash 576971472, now seen corresponding path program 9 times [2021-07-14 22:44:26,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:26,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316814753] [2021-07-14 22:44:26,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:27,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:27,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316814753] [2021-07-14 22:44:27,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316814753] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:27,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221590308] [2021-07-14 22:44:27,163 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 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 [2021-07-14 22:44:27,202 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 22:44:27,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:27,204 WARN L261 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 81 conjunts are in the unsatisfiable core [2021-07-14 22:44:27,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:28,190 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-07-14 22:44:28,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 144 treesize of output 56 [2021-07-14 22:44:28,201 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:28,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:28,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:28,207 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:144, output treesize:12 [2021-07-14 22:44:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:28,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221590308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:28,216 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:28,216 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 41 [2021-07-14 22:44:28,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199650938] [2021-07-14 22:44:28,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 22:44:28,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:28,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 22:44:28,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1546, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 22:44:28,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:28,218 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:28,219 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 41 states have internal predecessors, (66), 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) [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:28,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 22:44:28,980 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:28,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:28,981 INFO L82 PathProgramCache]: Analyzing trace with hash -687010491, now seen corresponding path program 10 times [2021-07-14 22:44:28,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:28,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344363100] [2021-07-14 22:44:28,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:29,862 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:29,862 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344363100] [2021-07-14 22:44:29,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344363100] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:29,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812661464] [2021-07-14 22:44:29,863 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 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 [2021-07-14 22:44:29,897 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:44:29,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:29,899 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 91 conjunts are in the unsatisfiable core [2021-07-14 22:44:29,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:31,008 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-07-14 22:44:31,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 161 treesize of output 61 [2021-07-14 22:44:31,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:31,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:31,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:31,014 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:10 [2021-07-14 22:44:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:31,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812661464] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:31,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:31,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 46 [2021-07-14 22:44:31,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090517750] [2021-07-14 22:44:31,023 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 22:44:31,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:31,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 22:44:31,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1958, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 22:44:31,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:31,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:31,025 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.553191489361702) internal successors, (73), 46 states have internal predecessors, (73), 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) [2021-07-14 22:44:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:31,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:31,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:31,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:31,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:31,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:31,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:31,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:31,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 22:44:31,818 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:31,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:31,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1905210962, now seen corresponding path program 11 times [2021-07-14 22:44:31,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:31,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222952586] [2021-07-14 22:44:31,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:32,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:32,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222952586] [2021-07-14 22:44:32,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222952586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:32,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824834164] [2021-07-14 22:44:32,955 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 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 [2021-07-14 22:44:32,996 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 22:44:32,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:32,997 WARN L261 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 103 conjunts are in the unsatisfiable core [2021-07-14 22:44:32,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:35,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:44:35,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:44:35,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 68 [2021-07-14 22:44:35,173 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:35,180 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:35,182 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:35,182 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:186, output treesize:12 [2021-07-14 22:44:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:35,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824834164] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:35,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:35,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 52 [2021-07-14 22:44:35,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057946406] [2021-07-14 22:44:35,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 22:44:35,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:35,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 22:44:35,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=2503, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 22:44:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:35,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:35,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.5660377358490567) internal successors, (83), 52 states have internal predecessors, (83), 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) [2021-07-14 22:44:35,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:35,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:35,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:35,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:35,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:35,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:35,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:35,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:35,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:35,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:35,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:35,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:35,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:35,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:35,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:44:35,917 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 22:44:35,917 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:35,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:35,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1823315059, now seen corresponding path program 12 times [2021-07-14 22:44:35,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:35,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22428470] [2021-07-14 22:44:35,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 293 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:44:37,140 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:37,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22428470] [2021-07-14 22:44:37,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22428470] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:37,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638954111] [2021-07-14 22:44:37,140 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 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 [2021-07-14 22:44:37,182 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-07-14 22:44:37,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:37,184 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 111 conjunts are in the unsatisfiable core [2021-07-14 22:44:37,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:38,952 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-07-14 22:44:38,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 197 treesize of output 73 [2021-07-14 22:44:38,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:38,959 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:38,959 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:38,959 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:197, output treesize:10 [2021-07-14 22:44:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 293 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:44:38,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638954111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:38,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:38,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 56 [2021-07-14 22:44:38,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675685890] [2021-07-14 22:44:38,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 22:44:38,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:38,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 22:44:38,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=2915, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 22:44:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:38,972 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:38,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 1.5614035087719298) internal successors, (89), 56 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:44:38,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:38,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:38,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:38,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:38,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:38,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:38,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:44:38,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:44:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:44:39,762 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:39,763 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:39,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:39,763 INFO L82 PathProgramCache]: Analyzing trace with hash 701458828, now seen corresponding path program 13 times [2021-07-14 22:44:39,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:39,763 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655205686] [2021-07-14 22:44:39,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:41,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:41,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655205686] [2021-07-14 22:44:41,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655205686] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:41,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482114438] [2021-07-14 22:44:41,187 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 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 [2021-07-14 22:44:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:41,238 WARN L261 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 121 conjunts are in the unsatisfiable core [2021-07-14 22:44:41,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:43,394 INFO L354 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2021-07-14 22:44:43,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 216 treesize of output 80 [2021-07-14 22:44:43,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:43,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:43,400 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:43,401 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:216, output treesize:12 [2021-07-14 22:44:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:43,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482114438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:43,409 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:43,409 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 61 [2021-07-14 22:44:43,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066146501] [2021-07-14 22:44:43,410 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-07-14 22:44:43,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:43,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-07-14 22:44:43,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=3458, Unknown=0, NotChecked=0, Total=3782 [2021-07-14 22:44:43,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:43,412 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:43,412 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 61 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 22:44:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:43,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:43,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:43,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:43,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:43,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:43,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:43,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:44:43,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:44:43,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:44:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:44,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 22:44:44,421 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:44,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:44,422 INFO L82 PathProgramCache]: Analyzing trace with hash -528169343, now seen corresponding path program 14 times [2021-07-14 22:44:44,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:44,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490763389] [2021-07-14 22:44:44,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:46,126 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:46,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490763389] [2021-07-14 22:44:46,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490763389] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:46,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027858595] [2021-07-14 22:44:46,126 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 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 [2021-07-14 22:44:46,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:44:46,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:46,191 WARN L261 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 131 conjunts are in the unsatisfiable core [2021-07-14 22:44:46,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:48,819 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-07-14 22:44:48,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 233 treesize of output 85 [2021-07-14 22:44:48,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:48,824 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:48,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:48,825 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:233, output treesize:10 [2021-07-14 22:44:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:48,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027858595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:48,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:48,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 66 [2021-07-14 22:44:48,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902331618] [2021-07-14 22:44:48,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 22:44:48,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:48,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 22:44:48,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=4062, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 22:44:48,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:48,836 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:48,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.507462686567164) internal successors, (101), 66 states have internal predecessors, (101), 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) [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:48,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:48,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:48,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:44:48,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:44:48,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:48,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:44:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:49,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:44:49,771 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 22:44:49,771 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:49,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:49,772 INFO L82 PathProgramCache]: Analyzing trace with hash -445824406, now seen corresponding path program 15 times [2021-07-14 22:44:49,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:49,772 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753146939] [2021-07-14 22:44:49,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:51,750 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:51,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:51,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753146939] [2021-07-14 22:44:51,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753146939] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:51,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790723394] [2021-07-14 22:44:51,751 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:51,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-07-14 22:44:51,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:51,804 WARN L261 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 141 conjunts are in the unsatisfiable core [2021-07-14 22:44:51,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:44:54,836 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2021-07-14 22:44:54,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 252 treesize of output 92 [2021-07-14 22:44:54,838 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:44:54,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:44:54,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:44:54,842 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:252, output treesize:12 [2021-07-14 22:44:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:54,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790723394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:54,854 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:44:54,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 71 [2021-07-14 22:44:54,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040175545] [2021-07-14 22:44:54,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 72 states [2021-07-14 22:44:54,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:44:54,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-07-14 22:44:54,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=4699, Unknown=0, NotChecked=0, Total=5112 [2021-07-14 22:44:54,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:54,857 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:44:54,857 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 72 states, 72 states have (on average 1.5) internal successors, (108), 71 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) [2021-07-14 22:44:54,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:54,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:54,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:54,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:54,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:54,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:54,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:44:54,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:44:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:44:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:44:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:44:55,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:44:56,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:56,049 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:44:56,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:44:56,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1130774687, now seen corresponding path program 16 times [2021-07-14 22:44:56,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:44:56,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2554275] [2021-07-14 22:44:56,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:44:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:44:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 499 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:44:58,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:44:58,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2554275] [2021-07-14 22:44:58,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2554275] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:44:58,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072114679] [2021-07-14 22:44:58,200 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:44:58,241 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:44:58,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:44:58,243 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 151 conjunts are in the unsatisfiable core [2021-07-14 22:44:58,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:45:01,707 INFO L354 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2021-07-14 22:45:01,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 269 treesize of output 97 [2021-07-14 22:45:01,710 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:45:01,715 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:45:01,715 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:45:01,715 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:269, output treesize:10 [2021-07-14 22:45:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 499 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:45:01,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072114679] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:01,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:45:01,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 76 [2021-07-14 22:45:01,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6638592] [2021-07-14 22:45:01,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-07-14 22:45:01,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:45:01,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-07-14 22:45:01,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=453, Invalid=5399, Unknown=0, NotChecked=0, Total=5852 [2021-07-14 22:45:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:01,729 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:45:01,729 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 1.4935064935064934) internal successors, (115), 76 states have internal predecessors, (115), 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) [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:03,011 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:45:03,012 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:45:03,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:45:03,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1728588728, now seen corresponding path program 17 times [2021-07-14 22:45:03,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:45:03,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199612614] [2021-07-14 22:45:03,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:45:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:45:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 568 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:45:05,562 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:45:05,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199612614] [2021-07-14 22:45:05,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199612614] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:05,562 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932644423] [2021-07-14 22:45:05,563 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:45:05,616 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-07-14 22:45:05,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:45:05,618 WARN L261 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 163 conjunts are in the unsatisfiable core [2021-07-14 22:45:05,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:45:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:45:10,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:45:10,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 288 treesize of output 104 [2021-07-14 22:45:10,778 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:45:10,784 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:45:10,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:45:10,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:294, output treesize:12 [2021-07-14 22:45:10,807 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 568 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:45:10,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932644423] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:10,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:45:10,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 82 [2021-07-14 22:45:10,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434970375] [2021-07-14 22:45:10,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-07-14 22:45:10,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:45:10,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-07-14 22:45:10,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=523, Invalid=6283, Unknown=0, NotChecked=0, Total=6806 [2021-07-14 22:45:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:10,809 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:45:10,810 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 1.5060240963855422) internal successors, (125), 82 states have internal predecessors, (125), 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) [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:10,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:11,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:11,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:11,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:45:11,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:45:11,970 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:45:11,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:45:11,970 INFO L82 PathProgramCache]: Analyzing trace with hash -242991193, now seen corresponding path program 18 times [2021-07-14 22:45:11,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:45:11,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082923509] [2021-07-14 22:45:11,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:45:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:45:14,993 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 683 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:45:14,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:45:14,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082923509] [2021-07-14 22:45:14,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082923509] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:14,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192110483] [2021-07-14 22:45:14,993 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:45:15,055 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-07-14 22:45:15,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:45:15,057 WARN L261 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 171 conjunts are in the unsatisfiable core [2021-07-14 22:45:15,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:45:19,818 INFO L354 Elim1Store]: treesize reduction 1600, result has 0.1 percent of original size [2021-07-14 22:45:19,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 305 treesize of output 109 [2021-07-14 22:45:19,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:45:19,825 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:45:19,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:45:19,826 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:305, output treesize:10 [2021-07-14 22:45:19,838 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 683 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:45:19,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192110483] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:19,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:45:19,838 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54] total 86 [2021-07-14 22:45:19,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605421290] [2021-07-14 22:45:19,839 INFO L462 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-07-14 22:45:19,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:45:19,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-07-14 22:45:19,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=6926, Unknown=0, NotChecked=0, Total=7482 [2021-07-14 22:45:19,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:19,841 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:45:19,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 1.5057471264367817) internal successors, (131), 86 states have internal predecessors, (131), 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) [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:19,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:19,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:19,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:19,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:45:19,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:20,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:20,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:20,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:45:20,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:45:21,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-14 22:45:21,122 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:45:21,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:45:21,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1025728730, now seen corresponding path program 19 times [2021-07-14 22:45:21,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:45:21,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690369180] [2021-07-14 22:45:21,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:45:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:45:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:45:24,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:45:24,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690369180] [2021-07-14 22:45:24,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690369180] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:24,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937220572] [2021-07-14 22:45:24,408 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:45:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:45:24,466 WARN L261 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 181 conjunts are in the unsatisfiable core [2021-07-14 22:45:24,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:45:29,958 INFO L354 Elim1Store]: treesize reduction 1802, result has 0.1 percent of original size [2021-07-14 22:45:29,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 324 treesize of output 116 [2021-07-14 22:45:29,960 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:45:29,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:45:29,964 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:45:29,964 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:324, output treesize:12 [2021-07-14 22:45:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:45:29,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937220572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:29,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:45:29,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57] total 91 [2021-07-14 22:45:29,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594579495] [2021-07-14 22:45:29,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-07-14 22:45:29,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:45:29,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-07-14 22:45:29,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=7751, Unknown=0, NotChecked=0, Total=8372 [2021-07-14 22:45:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:29,976 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:45:29,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 1.4782608695652173) internal successors, (136), 91 states have internal predecessors, (136), 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) [2021-07-14 22:45:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:45:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:45:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:45:31,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:45:31,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-07-14 22:45:31,959 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:45:31,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:45:31,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1007947813, now seen corresponding path program 20 times [2021-07-14 22:45:31,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:45:31,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77614411] [2021-07-14 22:45:31,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:45:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:45:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 0 proven. 803 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:45:35,717 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:45:35,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77614411] [2021-07-14 22:45:35,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77614411] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:35,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230277945] [2021-07-14 22:45:35,717 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:45:35,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:45:35,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:45:35,768 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 191 conjunts are in the unsatisfiable core [2021-07-14 22:45:35,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:45:41,926 INFO L354 Elim1Store]: treesize reduction 2016, result has 0.0 percent of original size [2021-07-14 22:45:41,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 0 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 341 treesize of output 121 [2021-07-14 22:45:41,929 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:45:41,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:45:41,933 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:45:41,933 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:341, output treesize:10 [2021-07-14 22:45:41,942 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 0 proven. 803 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:45:41,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230277945] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:41,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:45:41,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60] total 96 [2021-07-14 22:45:41,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806805664] [2021-07-14 22:45:41,943 INFO L462 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-07-14 22:45:41,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:45:41,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-07-14 22:45:41,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=669, Invalid=8643, Unknown=0, NotChecked=0, Total=9312 [2021-07-14 22:45:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:41,945 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:45:41,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 97 states, 97 states have (on average 1.4742268041237114) internal successors, (143), 96 states have internal predecessors, (143), 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) [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:41,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:45:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:45:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:45:41,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:45:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:45:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:45:43,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:45:43,941 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:45:43,942 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:45:43,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:45:43,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1212752644, now seen corresponding path program 21 times [2021-07-14 22:45:43,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:45:43,942 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129117182] [2021-07-14 22:45:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:45:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:45:48,104 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 0 proven. 890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:45:48,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:45:48,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129117182] [2021-07-14 22:45:48,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129117182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:48,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131802923] [2021-07-14 22:45:48,104 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:45:48,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2021-07-14 22:45:48,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:45:48,170 WARN L261 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 201 conjunts are in the unsatisfiable core [2021-07-14 22:45:48,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:45:55,118 INFO L354 Elim1Store]: treesize reduction 2242, result has 0.0 percent of original size [2021-07-14 22:45:55,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 360 treesize of output 128 [2021-07-14 22:45:55,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:45:55,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:45:55,127 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:45:55,127 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:360, output treesize:12 [2021-07-14 22:45:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 0 proven. 890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:45:55,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131802923] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:45:55,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:45:55,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63] total 101 [2021-07-14 22:45:55,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267602136] [2021-07-14 22:45:55,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 102 states [2021-07-14 22:45:55,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:45:55,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2021-07-14 22:45:55,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=740, Invalid=9562, Unknown=0, NotChecked=0, Total=10302 [2021-07-14 22:45:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:55,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:45:55,142 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 102 states, 102 states have (on average 1.4705882352941178) internal successors, (150), 101 states have internal predecessors, (150), 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) [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:55,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:45:55,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:45:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:45:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:45:57,405 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-07-14 22:45:57,405 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:45:57,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:45:57,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1714627833, now seen corresponding path program 22 times [2021-07-14 22:45:57,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:45:57,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465996272] [2021-07-14 22:45:57,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:45:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:46:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 0 proven. 982 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:46:01,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:46:01,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465996272] [2021-07-14 22:46:01,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465996272] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:46:01,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724664917] [2021-07-14 22:46:01,981 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:46:02,033 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:46:02,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:46:02,037 WARN L261 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 211 conjunts are in the unsatisfiable core [2021-07-14 22:46:02,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:46:09,922 INFO L354 Elim1Store]: treesize reduction 2480, result has 0.0 percent of original size [2021-07-14 22:46:09,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 0 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 377 treesize of output 133 [2021-07-14 22:46:09,926 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:46:09,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:46:09,931 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:46:09,931 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:377, output treesize:10 [2021-07-14 22:46:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 0 proven. 982 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:46:09,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724664917] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:46:09,944 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:46:09,944 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66] total 106 [2021-07-14 22:46:09,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151428468] [2021-07-14 22:46:09,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 107 states [2021-07-14 22:46:09,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:46:09,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2021-07-14 22:46:09,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=792, Invalid=10550, Unknown=0, NotChecked=0, Total=11342 [2021-07-14 22:46:09,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:46:09,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:46:09,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 107 states, 107 states have (on average 1.4672897196261683) internal successors, (157), 106 states have internal predecessors, (157), 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) [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:46:09,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:46:09,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:46:09,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:46:09,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:46:09,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:46:09,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:46:09,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:46:09,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:46:09,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:46:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:46:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:46:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:46:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:46:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:46:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:46:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:46:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:46:12,389 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:46:12,389 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:46:12,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:46:12,389 INFO L82 PathProgramCache]: Analyzing trace with hash 892002274, now seen corresponding path program 23 times [2021-07-14 22:46:12,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:46:12,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746841] [2021-07-14 22:46:12,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:46:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:46:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 0 proven. 1078 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:46:17,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:46:17,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746841] [2021-07-14 22:46:17,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746841] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:46:17,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986611711] [2021-07-14 22:46:17,328 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:46:17,398 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-07-14 22:46:17,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:46:17,401 WARN L261 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 222 conjunts are in the unsatisfiable core [2021-07-14 22:46:17,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:46:32,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:32,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:32,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:32,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:32,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 22:46:33,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 22:46:33,236 INFO L244 Elim1Store]: Index analysis took 350 ms [2021-07-14 22:46:33,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 44 select indices, 44 select index equivalence classes, 231 disjoint index pairs (out of 946 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 288 treesize of output 116 [2021-07-14 22:46:33,243 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:46:33,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:46:33,251 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:46:33,251 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:296, output treesize:9 [2021-07-14 22:46:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 0 proven. 1078 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:46:33,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986611711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:46:33,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:46:33,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69] total 135 [2021-07-14 22:46:33,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528217493] [2021-07-14 22:46:33,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 136 states [2021-07-14 22:46:33,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:46:33,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2021-07-14 22:46:33,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=694, Invalid=17666, Unknown=0, NotChecked=0, Total=18360 [2021-07-14 22:46:33,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:46:33,346 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:46:33,346 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 136 states, 136 states have (on average 1.7352941176470589) internal successors, (236), 135 states have internal predecessors, (236), 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) [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:46:33,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:46:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:46:36,084 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-07-14 22:46:39,961 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-07-14 22:46:40,417 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-07-14 22:46:40,889 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 132 [2021-07-14 22:46:41,387 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2021-07-14 22:46:41,888 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2021-07-14 22:46:42,408 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 154 [2021-07-14 22:46:42,961 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2021-07-14 22:46:43,530 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 172 [2021-07-14 22:46:44,165 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2021-07-14 22:46:44,837 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2021-07-14 22:46:45,412 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 208 [2021-07-14 22:46:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:46:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:46:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:46:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:46:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:46:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:46:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:46:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:46:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:46:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:46:45,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:46:46,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-07-14 22:46:46,092 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:46:46,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:46:46,093 INFO L82 PathProgramCache]: Analyzing trace with hash 359126209, now seen corresponding path program 24 times [2021-07-14 22:46:46,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:46:46,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829966282] [2021-07-14 22:46:46,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:46:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:46:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:46:51,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:46:51,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829966282] [2021-07-14 22:46:51,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829966282] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:46:51,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020195210] [2021-07-14 22:46:51,858 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:46:51,927 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2021-07-14 22:46:51,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:46:51,930 WARN L261 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 231 conjunts are in the unsatisfiable core [2021-07-14 22:46:51,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:47:01,848 INFO L354 Elim1Store]: treesize reduction 2992, result has 0.0 percent of original size [2021-07-14 22:47:01,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 0 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 253 case distinctions, treesize of input 413 treesize of output 145 [2021-07-14 22:47:01,851 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:47:01,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:47:01,856 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:47:01,856 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:413, output treesize:10 [2021-07-14 22:47:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:47:01,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020195210] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:47:01,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:47:01,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 72] total 116 [2021-07-14 22:47:01,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212640341] [2021-07-14 22:47:01,868 INFO L462 AbstractCegarLoop]: Interpolant automaton has 117 states [2021-07-14 22:47:01,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:47:01,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2021-07-14 22:47:01,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=925, Invalid=12647, Unknown=0, NotChecked=0, Total=13572 [2021-07-14 22:47:01,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:47:01,870 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:47:01,870 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 117 states, 117 states have (on average 1.4786324786324787) internal successors, (173), 116 states have internal predecessors, (173), 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) [2021-07-14 22:47:01,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:01,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:01,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:47:01,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:01,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:47:01,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:47:01,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:47:01,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:47:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:47:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:47:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:47:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:47:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:47:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:47:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:47:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:47:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:47:04,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-07-14 22:47:04,912 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:47:04,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:47:04,912 INFO L82 PathProgramCache]: Analyzing trace with hash 2083476928, now seen corresponding path program 25 times [2021-07-14 22:47:04,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:47:04,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435692786] [2021-07-14 22:47:04,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:47:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:47:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 0 proven. 1284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:47:11,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:47:11,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435692786] [2021-07-14 22:47:11,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435692786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:47:11,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765346138] [2021-07-14 22:47:11,318 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:47:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:47:11,378 WARN L261 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 241 conjunts are in the unsatisfiable core [2021-07-14 22:47:11,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:47:22,326 INFO L354 Elim1Store]: treesize reduction 3266, result has 0.0 percent of original size [2021-07-14 22:47:22,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 432 treesize of output 152 [2021-07-14 22:47:22,329 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:47:22,333 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:47:22,333 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:47:22,334 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:432, output treesize:12 [2021-07-14 22:47:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 0 proven. 1284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:47:22,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765346138] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:47:22,345 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:47:22,345 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75] total 121 [2021-07-14 22:47:22,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761369374] [2021-07-14 22:47:22,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 122 states [2021-07-14 22:47:22,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:47:22,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2021-07-14 22:47:22,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1008, Invalid=13754, Unknown=0, NotChecked=0, Total=14762 [2021-07-14 22:47:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:47:22,347 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:47:22,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 122 states, 122 states have (on average 1.459016393442623) internal successors, (178), 121 states have internal predecessors, (178), 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) [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:47:22,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:47:22,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:47:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:47:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 22:47:25,058 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-14 22:47:25,059 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:47:25,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:47:25,059 INFO L82 PathProgramCache]: Analyzing trace with hash 125946421, now seen corresponding path program 26 times [2021-07-14 22:47:25,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:47:25,059 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257185454] [2021-07-14 22:47:25,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:47:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:47:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 0 proven. 1394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:47:32,032 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:47:32,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257185454] [2021-07-14 22:47:32,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257185454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:47:32,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891025761] [2021-07-14 22:47:32,032 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:47:32,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:47:32,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:47:32,093 WARN L261 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 251 conjunts are in the unsatisfiable core [2021-07-14 22:47:32,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:47:44,370 INFO L354 Elim1Store]: treesize reduction 3552, result has 0.0 percent of original size [2021-07-14 22:47:44,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 25 select indices, 25 select index equivalence classes, 0 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 300 case distinctions, treesize of input 449 treesize of output 157 [2021-07-14 22:47:44,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:47:44,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:47:44,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:47:44,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:449, output treesize:10 [2021-07-14 22:47:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 0 proven. 1394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:47:44,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891025761] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:47:44,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:47:44,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 78] total 126 [2021-07-14 22:47:44,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983853940] [2021-07-14 22:47:44,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 127 states [2021-07-14 22:47:44,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:47:44,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2021-07-14 22:47:44,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1068, Invalid=14934, Unknown=0, NotChecked=0, Total=16002 [2021-07-14 22:47:44,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:47:44,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:47:44,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 127 states, 127 states have (on average 1.4566929133858268) internal successors, (185), 126 states have internal predecessors, (185), 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) [2021-07-14 22:47:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:47:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:47:44,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:47:44,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:47:44,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:47:44,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:47:44,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:47:44,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 22:47:44,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:47:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:47:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:47:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:47:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:47:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:47:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:47:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:47:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:47:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 22:47:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 22:47:47,760 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:47:47,761 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:47:47,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:47:47,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1228667746, now seen corresponding path program 27 times [2021-07-14 22:47:47,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:47:47,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314773446] [2021-07-14 22:47:47,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:47:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:47:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 0 proven. 1508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:47:55,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:47:55,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314773446] [2021-07-14 22:47:55,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314773446] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:47:55,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862437604] [2021-07-14 22:47:55,206 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:47:55,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2021-07-14 22:47:55,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:47:55,320 WARN L261 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 261 conjunts are in the unsatisfiable core [2021-07-14 22:47:55,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:48:08,754 INFO L354 Elim1Store]: treesize reduction 3850, result has 0.0 percent of original size [2021-07-14 22:48:08,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 468 treesize of output 164 [2021-07-14 22:48:08,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:48:08,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:48:08,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:48:08,765 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:468, output treesize:12 [2021-07-14 22:48:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 0 proven. 1508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:48:08,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862437604] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:48:08,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:48:08,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81] total 131 [2021-07-14 22:48:08,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381161629] [2021-07-14 22:48:08,791 INFO L462 AbstractCegarLoop]: Interpolant automaton has 132 states [2021-07-14 22:48:08,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:48:08,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2021-07-14 22:48:08,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1157, Invalid=16135, Unknown=0, NotChecked=0, Total=17292 [2021-07-14 22:48:08,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:48:08,792 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:48:08,793 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 132 states, 132 states have (on average 1.4545454545454546) internal successors, (192), 131 states have internal predecessors, (192), 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) [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:48:08,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 22:48:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:48:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:48:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:48:12,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 22:48:12,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 22:48:12,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-14 22:48:12,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-07-14 22:48:12,305 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:48:12,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:48:12,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1783874989, now seen corresponding path program 28 times [2021-07-14 22:48:12,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:48:12,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517700271] [2021-07-14 22:48:12,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:48:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:48:20,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1627 backedges. 0 proven. 1627 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:48:20,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:48:20,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517700271] [2021-07-14 22:48:20,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517700271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:48:20,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816441479] [2021-07-14 22:48:20,502 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:48:20,575 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:48:20,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:48:20,580 WARN L261 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 271 conjunts are in the unsatisfiable core [2021-07-14 22:48:20,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:48:35,526 INFO L354 Elim1Store]: treesize reduction 4160, result has 0.0 percent of original size [2021-07-14 22:48:35,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 0 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 351 case distinctions, treesize of input 485 treesize of output 169 [2021-07-14 22:48:35,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:48:35,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:48:35,534 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:48:35,534 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:485, output treesize:10 [2021-07-14 22:48:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1627 backedges. 0 proven. 1627 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:48:35,548 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816441479] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:48:35,548 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:48:35,549 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 84] total 136 [2021-07-14 22:48:35,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115796562] [2021-07-14 22:48:35,549 INFO L462 AbstractCegarLoop]: Interpolant automaton has 137 states [2021-07-14 22:48:35,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:48:35,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2021-07-14 22:48:35,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1221, Invalid=17411, Unknown=0, NotChecked=0, Total=18632 [2021-07-14 22:48:35,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:48:35,551 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:48:35,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 137 states, 137 states have (on average 1.4525547445255473) internal successors, (199), 136 states have internal predecessors, (199), 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) [2021-07-14 22:48:35,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:48:35,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:48:35,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:48:35,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:48:35,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:48:35,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:48:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:48:35,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:48:35,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:48:35,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 22:48:35,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 22:48:35,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-07-14 22:48:35,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:48:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-14 22:48:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 22:48:38,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:48:38,842 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:48:38,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:48:38,842 INFO L82 PathProgramCache]: Analyzing trace with hash -451515268, now seen corresponding path program 29 times [2021-07-14 22:48:38,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:48:38,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760410676] [2021-07-14 22:48:38,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:48:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:48:47,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1750 backedges. 0 proven. 1750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:48:47,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:48:47,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760410676] [2021-07-14 22:48:47,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760410676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:48:47,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712860907] [2021-07-14 22:48:47,714 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:48:47,819 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2021-07-14 22:48:47,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:48:47,824 WARN L261 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 281 conjunts are in the unsatisfiable core [2021-07-14 22:48:47,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:49:04,334 INFO L354 Elim1Store]: treesize reduction 4482, result has 0.0 percent of original size [2021-07-14 22:49:04,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 504 treesize of output 176 [2021-07-14 22:49:04,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:49:04,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:49:04,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:49:04,342 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:504, output treesize:12 [2021-07-14 22:49:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1750 backedges. 0 proven. 1750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:49:04,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712860907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:49:04,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:49:04,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 87] total 141 [2021-07-14 22:49:04,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718580189] [2021-07-14 22:49:04,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 142 states [2021-07-14 22:49:04,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:49:04,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2021-07-14 22:49:04,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1316, Invalid=18706, Unknown=0, NotChecked=0, Total=20022 [2021-07-14 22:49:04,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:49:04,357 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:49:04,357 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 142 states, 142 states have (on average 1.4507042253521127) internal successors, (206), 141 states have internal predecessors, (206), 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) [2021-07-14 22:49:04,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:49:04,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:49:04,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:49:04,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:49:04,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:49:04,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:49:04,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 22:49:04,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 22:49:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 22:49:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-14 22:49:08,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 22:49:08,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 22:49:08,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-07-14 22:49:08,391 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:49:08,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:49:08,392 INFO L82 PathProgramCache]: Analyzing trace with hash 791679857, now seen corresponding path program 30 times [2021-07-14 22:49:08,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:49:08,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294587495] [2021-07-14 22:49:08,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:49:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:49:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1878 backedges. 0 proven. 1878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:49:17,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:49:17,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294587495] [2021-07-14 22:49:17,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294587495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:49:17,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67289411] [2021-07-14 22:49:17,988 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:49:18,098 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2021-07-14 22:49:18,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:49:18,101 WARN L261 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 292 conjunts are in the unsatisfiable core [2021-07-14 22:49:18,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:50:55,100 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 22:50:55,101 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-14 22:50:55,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-07-14 22:50:55,302 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 46 more [2021-07-14 22:50:55,305 INFO L168 Benchmark]: Toolchain (without parser) took 399789.49 ms. Allocated memory was 186.6 MB in the beginning and 588.3 MB in the end (delta: 401.6 MB). Free memory was 166.5 MB in the beginning and 330.1 MB in the end (delta: -163.7 MB). Peak memory consumption was 238.3 MB. Max. memory is 8.0 GB. [2021-07-14 22:50:55,305 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.66 ms. Allocated memory is still 186.6 MB. Free memory is still 167.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:50:55,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.55 ms. Allocated memory is still 186.6 MB. Free memory was 166.5 MB in the beginning and 165.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:50:55,305 INFO L168 Benchmark]: Boogie Preprocessor took 16.73 ms. Allocated memory is still 186.6 MB. Free memory was 165.1 MB in the beginning and 164.1 MB in the end (delta: 955.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 22:50:55,305 INFO L168 Benchmark]: RCFGBuilder took 321.00 ms. Allocated memory is still 186.6 MB. Free memory was 163.9 MB in the beginning and 151.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 22:50:55,305 INFO L168 Benchmark]: TraceAbstraction took 399421.57 ms. Allocated memory was 186.6 MB in the beginning and 588.3 MB in the end (delta: 401.6 MB). Free memory was 151.2 MB in the beginning and 330.1 MB in the end (delta: -179.0 MB). Peak memory consumption was 222.6 MB. Max. memory is 8.0 GB. [2021-07-14 22:50:55,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.66 ms. Allocated memory is still 186.6 MB. Free memory is still 167.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.55 ms. Allocated memory is still 186.6 MB. Free memory was 166.5 MB in the beginning and 165.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.73 ms. Allocated memory is still 186.6 MB. Free memory was 165.1 MB in the beginning and 164.1 MB in the end (delta: 955.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 321.00 ms. Allocated memory is still 186.6 MB. Free memory was 163.9 MB in the beginning and 151.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 399421.57 ms. Allocated memory was 186.6 MB in the beginning and 588.3 MB in the end (delta: 401.6 MB). Free memory was 151.2 MB in the beginning and 330.1 MB in the end (delta: -179.0 MB). Peak memory consumption was 222.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...