/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 13:37:36,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 13:37:36,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 13:37:36,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 13:37:36,678 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 13:37:36,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 13:37:36,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 13:37:36,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 13:37:36,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 13:37:36,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 13:37:36,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 13:37:36,694 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 13:37:36,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 13:37:36,694 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 13:37:36,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 13:37:36,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 13:37:36,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 13:37:36,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 13:37:36,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 13:37:36,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 13:37:36,695 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 13:37:36,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 13:37:36,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 13:37:36,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 13:37:36,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 13:37:36,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 13:37:36,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 13:37:36,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 13:37:36,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:37:36,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 13:37:36,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 13:37:36,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 13:37:36,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 13:37:36,697 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 13:37:36,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 13:37:36,697 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 13:37:36,697 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 13:37:36,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 13:37:36,697 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 13:37:36,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 13:37:36,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 13:37:36,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 13:37:36,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 13:37:36,952 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 13:37:36,954 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 13:37:36,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl [2021-07-14 13:37:36,955 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2021-07-14 13:37:36,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 13:37:36,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 13:37:36,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 13:37:36,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 13:37:36,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 13:37:36,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (1/1) ... [2021-07-14 13:37:36,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (1/1) ... [2021-07-14 13:37:37,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 13:37:37,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 13:37:37,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 13:37:37,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 13:37:37,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (1/1) ... [2021-07-14 13:37:37,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (1/1) ... [2021-07-14 13:37:37,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (1/1) ... [2021-07-14 13:37:37,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (1/1) ... [2021-07-14 13:37:37,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (1/1) ... [2021-07-14 13:37:37,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (1/1) ... [2021-07-14 13:37:37,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (1/1) ... [2021-07-14 13:37:37,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 13:37:37,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 13:37:37,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 13:37:37,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 13:37:37,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (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 13:37:37,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 13:37:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 13:37:37,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 13:37:37,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 13:37:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 13:37:37,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 13:37:37,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 13:37:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 13:37:37,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 13:37:37,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 13:37:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 13:37:37,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 13:37:37,071 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 13:37:37,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 13:37:37,216 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 13:37:37,218 INFO L202 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:37:37 BoogieIcfgContainer [2021-07-14 13:37:37,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 13:37:37,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 13:37:37,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 13:37:37,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 13:37:37,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:37:36" (1/2) ... [2021-07-14 13:37:37,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6d72ef and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:37:37, skipping insertion in model container [2021-07-14 13:37:37,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:37:37" (2/2) ... [2021-07-14 13:37:37,228 INFO L111 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2021-07-14 13:37:37,232 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 13:37:37,232 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 13:37:37,232 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 13:37:37,232 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 13:37:37,255 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 13:37:37,270 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 13:37:37,321 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:37:37,321 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:37:37,322 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:37:37,322 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:37:37,322 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:37:37,322 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:37:37,322 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:37:37,322 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 13:37:37,444 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:37,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:37,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1315288077, now seen corresponding path program 1 times [2021-07-14 13:37:37,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:37,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831991942] [2021-07-14 13:37:37,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:37,539 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 13:37:37,540 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:37,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831991942] [2021-07-14 13:37:37,541 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831991942] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:37:37,541 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:37:37,541 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 13:37:37,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692788188] [2021-07-14 13:37:37,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 13:37:37,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:37,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 13:37:37,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 13:37:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:37,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:37,560 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 13:37:37,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:37,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:37,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 13:37:37,629 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:37,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:37,630 INFO L82 PathProgramCache]: Analyzing trace with hash -681410541, now seen corresponding path program 2 times [2021-07-14 13:37:37,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:37,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782338396] [2021-07-14 13:37:37,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:37,654 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 13:37:37,655 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:37,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782338396] [2021-07-14 13:37:37,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782338396] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:37:37,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:37:37,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 13:37:37,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264808896] [2021-07-14 13:37:37,656 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 13:37:37,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:37,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 13:37:37,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 13:37:37,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:37,657 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:37,657 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 13:37:37,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:37,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:37,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:37,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:37,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 13:37:37,693 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:37,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1986961297, now seen corresponding path program 1 times [2021-07-14 13:37:37,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:37,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559547555] [2021-07-14 13:37:37,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:37:37,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:37,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559547555] [2021-07-14 13:37:37,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559547555] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:37,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351951976] [2021-07-14 13:37:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:37,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 13:37:37,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:37:37,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351951976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:37,909 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:37,909 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-14 13:37:37,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528776250] [2021-07-14 13:37:37,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 13:37:37,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:37,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 13:37:37,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 13:37:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:37,912 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:37,912 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 13:37:37,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:37,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:37,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:37,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:37,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:37,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:38,187 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:38,188 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:38,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:38,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1086577265, now seen corresponding path program 2 times [2021-07-14 13:37:38,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:38,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750417641] [2021-07-14 13:37:38,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:37:38,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:38,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750417641] [2021-07-14 13:37:38,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750417641] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:38,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498973441] [2021-07-14 13:37:38,250 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 13:37:38,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:37:38,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:38,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 13:37:38,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:38,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:37:38,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498973441] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:37:38,338 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 13:37:38,338 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-07-14 13:37:38,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582385084] [2021-07-14 13:37:38,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 13:37:38,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:38,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 13:37:38,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 13:37:38,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:38,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:38,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 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 13:37:38,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:38,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:38,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:38,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:38,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:38,585 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:38,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:38,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1895299635, now seen corresponding path program 3 times [2021-07-14 13:37:38,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:38,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267339975] [2021-07-14 13:37:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:37:38,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:38,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267339975] [2021-07-14 13:37:38,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267339975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:38,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27123049] [2021-07-14 13:37:38,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:38,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 13:37:38,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:38,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 13:37:38,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:37:38,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27123049] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:38,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:38,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-14 13:37:38,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126520517] [2021-07-14 13:37:38,696 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 13:37:38,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:38,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 13:37:38,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 13:37:38,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:38,697 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:38,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 13:37:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:38,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:38,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:38,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:38,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:38,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:38,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:38,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:38,943 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:38,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:38,943 INFO L82 PathProgramCache]: Analyzing trace with hash 865819465, now seen corresponding path program 1 times [2021-07-14 13:37:38,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:38,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672855764] [2021-07-14 13:37:38,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:39,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:39,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672855764] [2021-07-14 13:37:39,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672855764] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:39,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730872936] [2021-07-14 13:37:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 13:37:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:39,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 13:37:39,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:39,123 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 22 treesize of output 10 [2021-07-14 13:37:39,125 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:39,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:39,129 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 13:37:39,129 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:7 [2021-07-14 13:37:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:39,149 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730872936] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:39,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:39,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-14 13:37:39,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500415041] [2021-07-14 13:37:39,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 13:37:39,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:39,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 13:37:39,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 13:37:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:39,150 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:39,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 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 13:37:39,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:39,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:39,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:39,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:39,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:39,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:39,438 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 13:37:39,438 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:39,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:39,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1875212597, now seen corresponding path program 2 times [2021-07-14 13:37:39,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:39,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139898872] [2021-07-14 13:37:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:37:39,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:39,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139898872] [2021-07-14 13:37:39,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139898872] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:39,545 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015606631] [2021-07-14 13:37:39,547 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 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 13:37:39,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:37:39,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:39,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 13:37:39,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:39,688 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 13:37:39,688 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 43 treesize of output 19 [2021-07-14 13:37:39,690 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:39,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:39,694 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 13:37:39,694 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:7 [2021-07-14 13:37:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:37:39,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015606631] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:39,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:39,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 13:37:39,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726021272] [2021-07-14 13:37:39,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 13:37:39,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:39,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 13:37:39,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-07-14 13:37:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:39,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:39,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 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 13:37:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:39,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:39,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:40,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:40,084 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:40,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:40,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1102895565, now seen corresponding path program 3 times [2021-07-14 13:37:40,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:40,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828786035] [2021-07-14 13:37:40,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:37:40,143 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:40,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828786035] [2021-07-14 13:37:40,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828786035] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:40,144 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715926131] [2021-07-14 13:37:40,144 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 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 13:37:40,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 13:37:40,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:40,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 13:37:40,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:37:40,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715926131] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:40,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:40,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-07-14 13:37:40,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132360156] [2021-07-14 13:37:40,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 13:37:40,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:40,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 13:37:40,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-14 13:37:40,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:40,284 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:40,284 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 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 13:37:40,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:40,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:40,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:40,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:40,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:40,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:40,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:40,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:40,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:40,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:40,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:40,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:40,521 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:40,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:40,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1809962661, now seen corresponding path program 4 times [2021-07-14 13:37:40,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:40,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138276265] [2021-07-14 13:37:40,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:40,684 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:40,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138276265] [2021-07-14 13:37:40,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138276265] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:40,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750974093] [2021-07-14 13:37:40,685 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 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 13:37:40,724 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:37:40,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:40,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 13:37:40,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:40,857 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-07-14 13:37:40,857 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 60 treesize of output 24 [2021-07-14 13:37:40,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:40,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:40,862 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 13:37:40,862 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:60, output treesize:7 [2021-07-14 13:37:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:40,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750974093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:40,895 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:40,895 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2021-07-14 13:37:40,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868381441] [2021-07-14 13:37:40,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 13:37:40,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:40,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 13:37:40,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-14 13:37:40,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:40,896 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:40,896 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 12 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 13:37:40,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:40,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:40,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:40,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:40,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:40,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:40,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:40,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:40,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:41,315 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-14 13:37:41,315 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:41,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:41,316 INFO L82 PathProgramCache]: Analyzing trace with hash -791700697, now seen corresponding path program 5 times [2021-07-14 13:37:41,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:41,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364415432] [2021-07-14 13:37:41,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:37:41,454 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:41,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364415432] [2021-07-14 13:37:41,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364415432] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:41,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661792770] [2021-07-14 13:37:41,454 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 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 13:37:41,484 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 13:37:41,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:41,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 13:37:41,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:41,697 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-07-14 13:37:41,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 31 [2021-07-14 13:37:41,699 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:41,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:41,702 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 13:37:41,702 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:73, output treesize:7 [2021-07-14 13:37:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 54 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:37:41,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661792770] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:41,718 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:41,718 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 15 [2021-07-14 13:37:41,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335649592] [2021-07-14 13:37:41,719 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 13:37:41,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:41,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 13:37:41,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-07-14 13:37:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:41,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:41,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 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 13:37:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:41,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:41,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:41,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:41,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:41,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:41,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:41,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:41,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:42,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:42,227 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:42,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:42,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1319221463, now seen corresponding path program 6 times [2021-07-14 13:37:42,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:42,227 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604709736] [2021-07-14 13:37:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 35 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:37:42,274 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:42,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604709736] [2021-07-14 13:37:42,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604709736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:42,274 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027262346] [2021-07-14 13:37:42,274 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 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 13:37:42,306 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 13:37:42,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:42,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 13:37:42,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 35 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:37:42,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027262346] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:42,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:42,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-07-14 13:37:42,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309453707] [2021-07-14 13:37:42,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 13:37:42,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:42,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 13:37:42,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-07-14 13:37:42,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:42,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:42,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 8 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 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:42,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:42,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:42,645 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:42,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:42,646 INFO L82 PathProgramCache]: Analyzing trace with hash -25772031, now seen corresponding path program 7 times [2021-07-14 13:37:42,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:42,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040576837] [2021-07-14 13:37:42,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 11 proven. 99 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:42,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:42,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040576837] [2021-07-14 13:37:42,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040576837] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:42,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354019921] [2021-07-14 13:37:42,892 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 13:37:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:42,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 13:37:42,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:43,165 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-07-14 13:37:43,166 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 96 treesize of output 36 [2021-07-14 13:37:43,167 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:43,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:43,170 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 13:37:43,170 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:96, output treesize:7 [2021-07-14 13:37:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 11 proven. 99 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:43,184 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354019921] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:43,184 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:43,184 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 18 [2021-07-14 13:37:43,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190587779] [2021-07-14 13:37:43,184 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 13:37:43,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:43,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 13:37:43,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-07-14 13:37:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:43,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:43,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 18 states have internal predecessors, (63), 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 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:43,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:43,870 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 13:37:43,871 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:43,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:43,871 INFO L82 PathProgramCache]: Analyzing trace with hash 298818947, now seen corresponding path program 8 times [2021-07-14 13:37:43,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:43,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636779987] [2021-07-14 13:37:43,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 13 proven. 114 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:37:44,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:44,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636779987] [2021-07-14 13:37:44,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636779987] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:44,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351374913] [2021-07-14 13:37:44,154 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 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 13:37:44,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:37:44,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:44,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 13:37:44,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:44,520 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-07-14 13:37:44,520 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 115 treesize of output 43 [2021-07-14 13:37:44,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:44,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:44,525 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 13:37:44,525 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:115, output treesize:7 [2021-07-14 13:37:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:37:44,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351374913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:44,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:44,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 21 [2021-07-14 13:37:44,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955039088] [2021-07-14 13:37:44,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 13:37:44,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:44,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 13:37:44,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2021-07-14 13:37:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:44,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:44,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.272727272727273) internal successors, (72), 21 states have internal predecessors, (72), 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 13:37:44,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:44,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:44,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:44,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:44,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:44,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:44,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:44,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:44,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:44,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:44,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:44,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:44,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:45,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:45,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 13:37:45,313 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:45,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:45,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1301863803, now seen corresponding path program 9 times [2021-07-14 13:37:45,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:45,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523572139] [2021-07-14 13:37:45,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 63 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:37:45,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:45,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523572139] [2021-07-14 13:37:45,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523572139] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:45,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064472279] [2021-07-14 13:37:45,380 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 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 13:37:45,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 13:37:45,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:45,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 13:37:45,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 63 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:37:45,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064472279] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:45,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:45,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2021-07-14 13:37:45,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856217858] [2021-07-14 13:37:45,523 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 13:37:45,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:45,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 13:37:45,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-07-14 13:37:45,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:45,524 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:45,524 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 10 states have internal predecessors, (71), 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 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:45,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:45,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:45,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:45,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 13:37:45,777 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:45,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:45,778 INFO L82 PathProgramCache]: Analyzing trace with hash -988211363, now seen corresponding path program 10 times [2021-07-14 13:37:45,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:45,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867906561] [2021-07-14 13:37:45,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 15 proven. 177 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:46,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:46,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867906561] [2021-07-14 13:37:46,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867906561] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:46,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735156029] [2021-07-14 13:37:46,199 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 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 13:37:46,234 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:37:46,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:46,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-14 13:37:46,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:46,655 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-07-14 13:37:46,655 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 132 treesize of output 48 [2021-07-14 13:37:46,657 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:46,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:46,660 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 13:37:46,660 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:132, output treesize:7 [2021-07-14 13:37:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 15 proven. 177 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:46,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735156029] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:46,674 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:46,674 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 24 [2021-07-14 13:37:46,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187357180] [2021-07-14 13:37:46,675 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 13:37:46,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:46,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 13:37:46,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2021-07-14 13:37:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:46,675 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:46,676 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.16) internal successors, (79), 24 states have internal predecessors, (79), 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 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:46,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:47,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:47,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:47,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:47,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:47,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:47,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:47,761 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:47,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:47,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1187410465, now seen corresponding path program 11 times [2021-07-14 13:37:47,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:47,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954336856] [2021-07-14 13:37:47,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 17 proven. 196 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:37:48,241 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:48,241 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954336856] [2021-07-14 13:37:48,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954336856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:48,241 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495271947] [2021-07-14 13:37:48,241 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 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 13:37:48,282 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 13:37:48,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:48,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 13:37:48,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:48,856 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-07-14 13:37:48,856 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 145 treesize of output 55 [2021-07-14 13:37:48,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:48,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:48,861 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 13:37:48,862 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:145, output treesize:7 [2021-07-14 13:37:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 17 proven. 196 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:37:48,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495271947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:48,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:48,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 27 [2021-07-14 13:37:48,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474583266] [2021-07-14 13:37:48,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 13:37:48,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:48,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 13:37:48,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=647, Unknown=0, NotChecked=0, Total=756 [2021-07-14 13:37:48,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:48,877 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:48,877 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.0357142857142856) internal successors, (85), 27 states have internal predecessors, (85), 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 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:37:50,098 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 13:37:50,099 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:50,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:50,099 INFO L82 PathProgramCache]: Analyzing trace with hash 655780833, now seen corresponding path program 12 times [2021-07-14 13:37:50,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:50,099 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170818510] [2021-07-14 13:37:50,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 99 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:37:50,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:50,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170818510] [2021-07-14 13:37:50,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170818510] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:50,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940501594] [2021-07-14 13:37:50,168 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 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 13:37:50,205 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-14 13:37:50,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:50,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 13:37:50,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 99 proven. 132 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:37:50,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940501594] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:50,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:50,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-07-14 13:37:50,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387948815] [2021-07-14 13:37:50,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 13:37:50,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:50,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 13:37:50,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-07-14 13:37:50,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:50,315 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:50,315 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 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 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:50,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:50,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:37:50,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:50,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:50,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:50,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:37:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:37:50,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 13:37:50,573 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:50,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:50,574 INFO L82 PathProgramCache]: Analyzing trace with hash -653796167, now seen corresponding path program 13 times [2021-07-14 13:37:50,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:50,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656980157] [2021-07-14 13:37:50,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 19 proven. 277 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:51,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:51,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656980157] [2021-07-14 13:37:51,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656980157] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:51,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321080527] [2021-07-14 13:37:51,085 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 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 13:37:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:51,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-14 13:37:51,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:51,713 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-07-14 13:37:51,713 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 168 treesize of output 60 [2021-07-14 13:37:51,725 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:51,727 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:51,728 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 13:37:51,728 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:7 [2021-07-14 13:37:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 19 proven. 277 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:51,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321080527] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:51,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:51,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-07-14 13:37:51,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461773790] [2021-07-14 13:37:51,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 13:37:51,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:51,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 13:37:51,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=806, Unknown=0, NotChecked=0, Total=930 [2021-07-14 13:37:51,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:51,742 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:51,742 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 30 states have internal predecessors, (95), 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 13:37:51,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:37:51,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:53,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:37:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:37:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:37:53,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 13:37:53,255 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:53,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:53,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1936954309, now seen corresponding path program 14 times [2021-07-14 13:37:53,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:53,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486511280] [2021-07-14 13:37:53,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 21 proven. 300 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:37:53,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:53,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486511280] [2021-07-14 13:37:53,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486511280] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:53,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175407953] [2021-07-14 13:37:53,823 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 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 13:37:53,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:37:53,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:53,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 84 conjunts are in the unsatisfiable core [2021-07-14 13:37:53,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:54,585 INFO L354 Elim1Store]: treesize reduction 540, result has 0.2 percent of original size [2021-07-14 13:37:54,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 187 treesize of output 67 [2021-07-14 13:37:54,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:54,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:54,590 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 13:37:54,590 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:187, output treesize:7 [2021-07-14 13:37:54,604 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:37:54,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175407953] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:54,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:54,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 33 [2021-07-14 13:37:54,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024988423] [2021-07-14 13:37:54,604 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 13:37:54,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:54,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 13:37:54,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=972, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 13:37:54,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:54,605 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:54,605 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 3.0588235294117645) internal successors, (104), 33 states have internal predecessors, (104), 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 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:54,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:54,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:37:54,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:37:54,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:37:54,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:37:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:37:56,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:56,205 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:56,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:56,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1898652477, now seen corresponding path program 15 times [2021-07-14 13:37:56,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:56,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106293791] [2021-07-14 13:37:56,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 143 proven. 202 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:37:56,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:56,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106293791] [2021-07-14 13:37:56,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106293791] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:56,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165339695] [2021-07-14 13:37:56,297 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 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 13:37:56,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-07-14 13:37:56,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:56,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 13:37:56,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 143 proven. 200 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:37:56,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165339695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:56,453 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:56,453 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 14 [2021-07-14 13:37:56,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432226847] [2021-07-14 13:37:56,453 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 13:37:56,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:56,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 13:37:56,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2021-07-14 13:37:56,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:56,454 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:56,454 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 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 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:56,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:37:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:37:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:37:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:37:56,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:56,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:56,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:56,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:37:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:37:56,725 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:37:56,725 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:37:56,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:37:56,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1392644117, now seen corresponding path program 16 times [2021-07-14 13:37:56,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:37:56,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361860054] [2021-07-14 13:37:56,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:37:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:37:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 23 proven. 399 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:57,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:37:57,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361860054] [2021-07-14 13:37:57,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361860054] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:57,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312232558] [2021-07-14 13:37:57,445 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 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 13:37:57,484 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:37:57,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:37:57,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 92 conjunts are in the unsatisfiable core [2021-07-14 13:37:57,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:37:58,361 INFO L354 Elim1Store]: treesize reduction 660, result has 0.2 percent of original size [2021-07-14 13:37:58,361 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 204 treesize of output 72 [2021-07-14 13:37:58,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:37:58,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:37:58,366 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 13:37:58,366 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:204, output treesize:7 [2021-07-14 13:37:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 23 proven. 399 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:37:58,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312232558] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:37:58,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:37:58,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 36 [2021-07-14 13:37:58,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52996095] [2021-07-14 13:37:58,379 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 13:37:58,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:37:58,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 13:37:58,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1165, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 13:37:58,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:37:58,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:37:58,380 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.0) internal successors, (111), 36 states have internal predecessors, (111), 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 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:37:58,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:00,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 13:38:00,225 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:38:00,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:38:00,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1892104343, now seen corresponding path program 17 times [2021-07-14 13:38:00,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:38:00,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113011025] [2021-07-14 13:38:00,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:38:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:38:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 25 proven. 426 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:38:01,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:38:01,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113011025] [2021-07-14 13:38:01,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113011025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:01,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983704112] [2021-07-14 13:38:01,027 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 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 13:38:01,070 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2021-07-14 13:38:01,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:38:01,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 98 conjunts are in the unsatisfiable core [2021-07-14 13:38:01,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:38:02,098 INFO L354 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2021-07-14 13:38:02,098 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 217 treesize of output 79 [2021-07-14 13:38:02,100 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:38:02,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:38:02,103 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 13:38:02,103 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:217, output treesize:7 [2021-07-14 13:38:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 25 proven. 426 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:38:02,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983704112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:02,117 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:38:02,117 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 39 [2021-07-14 13:38:02,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327863563] [2021-07-14 13:38:02,117 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 13:38:02,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:38:02,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 13:38:02,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1363, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 13:38:02,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:02,118 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:38:02,118 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.925) internal successors, (117), 39 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:38:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:02,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:04,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:04,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-14 13:38:04,423 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:38:04,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:38:04,424 INFO L82 PathProgramCache]: Analyzing trace with hash 837044377, now seen corresponding path program 18 times [2021-07-14 13:38:04,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:38:04,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41402168] [2021-07-14 13:38:04,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:38:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:38:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 195 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:38:04,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:38:04,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41402168] [2021-07-14 13:38:04,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41402168] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:04,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301665429] [2021-07-14 13:38:04,537 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 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 13:38:04,586 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2021-07-14 13:38:04,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:38:04,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 13:38:04,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:38:04,710 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 195 proven. 282 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:38:04,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301665429] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:04,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:38:04,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 16 [2021-07-14 13:38:04,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006507871] [2021-07-14 13:38:04,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 13:38:04,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:38:04,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 13:38:04,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2021-07-14 13:38:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:04,711 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:38:04,711 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.294117647058823) internal successors, (107), 16 states have internal predecessors, (107), 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 13:38:04,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:04,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:04,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:04,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:04,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:04,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:04,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:04,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:04,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:04,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:04,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:04,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:04,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:38:04,977 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:38:04,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:38:04,977 INFO L82 PathProgramCache]: Analyzing trace with hash 189182321, now seen corresponding path program 19 times [2021-07-14 13:38:04,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:38:04,977 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130098030] [2021-07-14 13:38:04,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:38:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:38:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 27 proven. 543 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:38:05,921 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:38:05,921 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130098030] [2021-07-14 13:38:05,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130098030] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:05,921 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103048419] [2021-07-14 13:38:05,921 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 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 13:38:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:38:05,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 108 conjunts are in the unsatisfiable core [2021-07-14 13:38:05,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:38:07,203 INFO L354 Elim1Store]: treesize reduction 936, result has 0.1 percent of original size [2021-07-14 13:38:07,204 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 240 treesize of output 84 [2021-07-14 13:38:07,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:38:07,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:38:07,208 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 13:38:07,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:240, output treesize:7 [2021-07-14 13:38:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 27 proven. 543 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:38:07,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103048419] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:07,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:38:07,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 42 [2021-07-14 13:38:07,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668435651] [2021-07-14 13:38:07,221 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 13:38:07,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:38:07,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 13:38:07,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1590, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 13:38:07,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:07,222 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:38:07,222 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.953488372093023) internal successors, (127), 42 states have internal predecessors, (127), 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 13:38:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:07,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:07,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:38:09,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-14 13:38:09,624 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:38:09,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:38:09,625 INFO L82 PathProgramCache]: Analyzing trace with hash 711521011, now seen corresponding path program 20 times [2021-07-14 13:38:09,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:38:09,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321929385] [2021-07-14 13:38:09,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:38:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:38:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 29 proven. 574 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:38:10,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:38:10,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321929385] [2021-07-14 13:38:10,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321929385] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:10,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610889078] [2021-07-14 13:38:10,730 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 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 13:38:10,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:38:10,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:38:10,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 116 conjunts are in the unsatisfiable core [2021-07-14 13:38:10,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:38:12,146 INFO L354 Elim1Store]: treesize reduction 1092, result has 0.1 percent of original size [2021-07-14 13:38:12,146 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 259 treesize of output 91 [2021-07-14 13:38:12,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:38:12,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:38:12,151 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 13:38:12,151 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:259, output treesize:7 [2021-07-14 13:38:12,168 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 0 proven. 603 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:38:12,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610889078] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:12,168 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:38:12,168 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 45 [2021-07-14 13:38:12,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903519505] [2021-07-14 13:38:12,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 13:38:12,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:38:12,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 13:38:12,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1820, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 13:38:12,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:12,170 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:38:12,170 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 2.9565217391304346) internal successors, (136), 45 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 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:12,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:38:12,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:14,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:14,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:14,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:38:14,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:38:14,779 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:38:14,779 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:38:14,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:38:14,779 INFO L82 PathProgramCache]: Analyzing trace with hash 167828469, now seen corresponding path program 21 times [2021-07-14 13:38:14,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:38:14,779 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334592642] [2021-07-14 13:38:14,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:38:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:38:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 255 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:38:14,928 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:38:14,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334592642] [2021-07-14 13:38:14,928 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334592642] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:14,928 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751864453] [2021-07-14 13:38:14,929 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 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 13:38:14,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-07-14 13:38:14,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:38:14,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 13:38:14,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:38:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 255 proven. 378 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 13:38:15,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751864453] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:15,131 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:38:15,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 18 [2021-07-14 13:38:15,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797338288] [2021-07-14 13:38:15,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 13:38:15,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:38:15,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 13:38:15,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2021-07-14 13:38:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:15,132 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:38:15,132 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 18 states have internal predecessors, (119), 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 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:15,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:38:15,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:38:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:15,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-14 13:38:15,425 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:38:15,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:38:15,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1502920909, now seen corresponding path program 22 times [2021-07-14 13:38:15,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:38:15,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641075071] [2021-07-14 13:38:15,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:38:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:38:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 31 proven. 709 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:38:16,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:38:16,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641075071] [2021-07-14 13:38:16,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641075071] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:16,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647062044] [2021-07-14 13:38:16,640 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 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 13:38:16,682 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:38:16,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:38:16,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 124 conjunts are in the unsatisfiable core [2021-07-14 13:38:16,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:38:18,365 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-07-14 13:38:18,365 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 276 treesize of output 96 [2021-07-14 13:38:18,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:38:18,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:38:18,370 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 13:38:18,370 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:276, output treesize:7 [2021-07-14 13:38:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 31 proven. 709 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 13:38:18,385 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647062044] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:18,385 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:38:18,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 48 [2021-07-14 13:38:18,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722137892] [2021-07-14 13:38:18,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 13:38:18,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:38:18,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 13:38:18,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=2081, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 13:38:18,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:18,386 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:38:18,386 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.9183673469387754) internal successors, (143), 48 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 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:18,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:18,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:38:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:38:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 13:38:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:38:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:38:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 13:38:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:38:21,494 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-07-14 13:38:21,494 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:38:21,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:38:21,495 INFO L82 PathProgramCache]: Analyzing trace with hash 493919055, now seen corresponding path program 23 times [2021-07-14 13:38:21,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:38:21,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850307675] [2021-07-14 13:38:21,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:38:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:38:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 33 proven. 744 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 13:38:22,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:38:22,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850307675] [2021-07-14 13:38:22,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850307675] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:38:22,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251436729] [2021-07-14 13:38:22,887 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 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 13:38:22,949 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-07-14 13:38:22,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:38:22,951 WARN L261 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 133 conjunts are in the unsatisfiable core [2021-07-14 13:38:22,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:38:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:38:26,752 INFO L244 Elim1Store]: Index analysis took 319 ms [2021-07-14 13:38:27,973 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 624 [2021-07-14 13:38:27,974 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:38:27,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 360 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 136 case distinctions, treesize of input 208 treesize of output 1682 [2021-07-14 13:38:40,301 WARN L205 SmtUtils]: Spent 11.81 s on a formula simplification. DAG size of input: 730 DAG size of output: 294 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown