/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 16:28:34,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 16:28:34,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 16:28:34,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 16:28:34,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 16:28:34,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 16:28:34,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 16:28:34,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 16:28:34,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 16:28:34,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 16:28:34,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 16:28:34,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 16:28:34,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 16:28:34,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 16:28:34,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 16:28:34,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 16:28:34,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 16:28:34,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 16:28:34,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 16:28:34,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 16:28:34,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-14 16:28:34,548 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 16:28:34,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 16:28:34,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 16:28:34,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 16:28:34,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 16:28:34,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 16:28:34,552 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 16:28:34,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 16:28:34,553 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 16:28:34,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 16:28:34,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 16:28:34,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 16:28:34,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 16:28:34,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 16:28:34,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 16:28:34,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 16:28:34,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 16:28:34,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 16:28:34,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 16:28:34,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 16:28:34,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 16:28:34,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 16:28:34,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 16:28:34,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 16:28:34,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 16:28:34,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 16:28:34,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 16:28:34,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 16:28:34,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 16:28:34,557 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 16:28:34,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 16:28:34,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 16:28:34,558 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 16:28:34,558 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 16:28:34,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 16:28:34,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 16:28:34,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 16:28:34,910 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 16:28:34,913 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 16:28:34,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2021-07-14 16:28:34,914 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2021-07-14 16:28:34,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 16:28:34,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 16:28:34,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 16:28:34,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 16:28:34,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 16:28:34,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (1/1) ... [2021-07-14 16:28:34,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (1/1) ... [2021-07-14 16:28:34,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 16:28:34,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 16:28:34,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 16:28:34,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 16:28:34,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (1/1) ... [2021-07-14 16:28:34,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (1/1) ... [2021-07-14 16:28:34,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (1/1) ... [2021-07-14 16:28:34,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (1/1) ... [2021-07-14 16:28:34,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (1/1) ... [2021-07-14 16:28:34,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (1/1) ... [2021-07-14 16:28:34,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (1/1) ... [2021-07-14 16:28:34,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 16:28:35,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 16:28:35,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 16:28:35,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 16:28:35,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (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 16:28:35,077 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 16:28:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 16:28:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 16:28:35,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 16:28:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 16:28:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 16:28:35,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 16:28:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 16:28:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 16:28:35,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 16:28:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 16:28:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 16:28:35,080 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 16:28:35,236 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 16:28:35,237 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 16:28:35,238 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:28:35 BoogieIcfgContainer [2021-07-14 16:28:35,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 16:28:35,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 16:28:35,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 16:28:35,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 16:28:35,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:28:34" (1/2) ... [2021-07-14 16:28:35,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8a3bba and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:28:35, skipping insertion in model container [2021-07-14 16:28:35,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:28:35" (2/2) ... [2021-07-14 16:28:35,245 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2021-07-14 16:28:35,263 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 16:28:35,263 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 16:28:35,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 16:28:35,264 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 16:28:35,329 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 16:28:35,365 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 16:28:35,423 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 16:28:35,424 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 16:28:35,424 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 16:28:35,424 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 16:28:35,424 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 16:28:35,424 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 16:28:35,425 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 16:28:35,425 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 16:28:35,561 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:35,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:35,566 INFO L82 PathProgramCache]: Analyzing trace with hash 199411532, now seen corresponding path program 1 times [2021-07-14 16:28:35,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:35,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068438628] [2021-07-14 16:28:35,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:35,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:35,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068438628] [2021-07-14 16:28:35,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068438628] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 16:28:35,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 16:28:35,748 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 16:28:35,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903841119] [2021-07-14 16:28:35,752 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 16:28:35,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:35,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 16:28:35,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 16:28:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:35,765 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:35,766 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 16:28:35,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:35,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 16:28:35,784 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:35,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:35,784 INFO L82 PathProgramCache]: Analyzing trace with hash -289780901, now seen corresponding path program 1 times [2021-07-14 16:28:35,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:35,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507686808] [2021-07-14 16:28:35,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:28:35,825 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:35,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507686808] [2021-07-14 16:28:35,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507686808] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 16:28:35,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 16:28:35,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 16:28:35,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33595190] [2021-07-14 16:28:35,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 16:28:35,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:35,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 16:28:35,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 16:28:35,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:35,828 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:35,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 16:28:35,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:35,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:35,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:35,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 16:28:35,880 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:35,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:35,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1299437098, now seen corresponding path program 1 times [2021-07-14 16:28:35,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:35,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266422058] [2021-07-14 16:28:35,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:36,438 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:36,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266422058] [2021-07-14 16:28:36,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266422058] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:36,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157265810] [2021-07-14 16:28:36,438 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 16:28:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:36,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 16:28:36,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:36,760 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 28 treesize of output 22 [2021-07-14 16:28:36,777 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:36,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:36,787 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-14 16:28:36,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:36,790 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:7 [2021-07-14 16:28:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:36,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157265810] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:36,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:36,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 13 [2021-07-14 16:28:36,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381105878] [2021-07-14 16:28:36,837 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 16:28:36,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:36,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 16:28:36,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-07-14 16:28:36,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:36,841 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:36,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 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 16:28:36,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:36,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:36,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:37,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:37,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:37,273 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:37,273 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:37,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:37,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1125503737, now seen corresponding path program 2 times [2021-07-14 16:28:37,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:37,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368684875] [2021-07-14 16:28:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:37,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:37,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368684875] [2021-07-14 16:28:37,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368684875] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:37,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319526078] [2021-07-14 16:28:37,330 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 16:28:37,361 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:28:37,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:37,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 16:28:37,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:37,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319526078] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:37,454 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:37,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 16:28:37,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831684855] [2021-07-14 16:28:37,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 16:28:37,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:37,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 16:28:37,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 16:28:37,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:37,456 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:37,457 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 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 16:28:37,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:37,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:37,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:37,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:37,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:37,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:37,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:37,850 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:37,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:37,850 INFO L82 PathProgramCache]: Analyzing trace with hash -943727175, now seen corresponding path program 1 times [2021-07-14 16:28:37,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:37,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011631938] [2021-07-14 16:28:37,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:28:37,922 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:37,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011631938] [2021-07-14 16:28:37,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011631938] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:37,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147347001] [2021-07-14 16:28:37,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:37,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 16:28:37,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:38,073 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:28:38,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147347001] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:38,074 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:38,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 16:28:38,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146266518] [2021-07-14 16:28:38,075 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 16:28:38,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:38,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 16:28:38,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 16:28:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:38,076 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:38,076 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 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 16:28:38,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:38,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:38,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:38,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:38,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:38,427 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:38,428 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:38,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:38,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1778112970, now seen corresponding path program 2 times [2021-07-14 16:28:38,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:38,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276930164] [2021-07-14 16:28:38,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:39,002 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:39,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276930164] [2021-07-14 16:28:39,002 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276930164] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:39,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888094526] [2021-07-14 16:28:39,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:39,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:28:39,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:39,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 16:28:39,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:39,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:28:39,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:39,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:39,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 16:28:39,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:39,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:39,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:28:39,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2021-07-14 16:28:39,823 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:39,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:39,831 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:39,831 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:52, output treesize:3 [2021-07-14 16:28:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:39,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888094526] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:39,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:39,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-07-14 16:28:39,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292279688] [2021-07-14 16:28:39,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 16:28:39,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:39,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 16:28:39,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2021-07-14 16:28:39,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:39,864 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:39,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.066666666666667) internal successors, (62), 30 states have internal predecessors, (62), 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 16:28:39,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:39,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:39,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:39,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:39,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:39,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:41,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:28:41,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 16:28:41,493 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:41,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:41,493 INFO L82 PathProgramCache]: Analyzing trace with hash -864675815, now seen corresponding path program 3 times [2021-07-14 16:28:41,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:41,494 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960524860] [2021-07-14 16:28:41,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:41,587 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:41,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960524860] [2021-07-14 16:28:41,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960524860] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:41,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138621337] [2021-07-14 16:28:41,587 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 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 16:28:41,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 16:28:41,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:41,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 16:28:41,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:41,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138621337] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:41,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:41,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-14 16:28:41,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463787617] [2021-07-14 16:28:41,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 16:28:41,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:41,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 16:28:41,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-14 16:28:41,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:41,824 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:41,824 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.25) internal successors, (65), 20 states have internal predecessors, (65), 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 16:28:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:28:41,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:28:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:28:42,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:42,568 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:42,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:42,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1944046297, now seen corresponding path program 4 times [2021-07-14 16:28:42,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:42,569 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044920631] [2021-07-14 16:28:42,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:28:42,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:42,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044920631] [2021-07-14 16:28:42,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044920631] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:42,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870541313] [2021-07-14 16:28:42,660 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 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 16:28:42,693 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 16:28:42,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:42,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 16:28:42,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:28:42,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870541313] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:42,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:42,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-14 16:28:42,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122004346] [2021-07-14 16:28:42,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 16:28:42,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:42,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 16:28:42,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-14 16:28:42,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:42,875 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:42,875 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 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 16:28:42,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:42,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:42,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:42,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:42,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:42,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:28:42,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:28:42,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:43,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:28:43,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:28:43,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:28:43,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:43,297 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:43,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:43,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1723151722, now seen corresponding path program 5 times [2021-07-14 16:28:43,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:43,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602836128] [2021-07-14 16:28:43,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:44,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:44,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602836128] [2021-07-14 16:28:44,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602836128] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:44,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337262798] [2021-07-14 16:28:44,298 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 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 16:28:44,346 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 16:28:44,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:44,347 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-14 16:28:44,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:45,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:28:45,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-07-14 16:28:45,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:45,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:45,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:28:45,538 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2021-07-14 16:28:45,539 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:45,546 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:45,547 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:45,547 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:3 [2021-07-14 16:28:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:45,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337262798] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:45,584 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:45,584 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-07-14 16:28:45,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166246403] [2021-07-14 16:28:45,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 16:28:45,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:45,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 16:28:45,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1918, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 16:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:45,586 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:45,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.891304347826087) internal successors, (87), 46 states have internal predecessors, (87), 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 16:28:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:28:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:28:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:28:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:46,425 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2021-07-14 16:28:48,625 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2021-07-14 16:28:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:28:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:28:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:28:49,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:28:49,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-14 16:28:49,589 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:49,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:49,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1885014132, now seen corresponding path program 6 times [2021-07-14 16:28:49,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:49,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295826275] [2021-07-14 16:28:49,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:50,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:50,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295826275] [2021-07-14 16:28:50,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295826275] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:50,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501441732] [2021-07-14 16:28:50,819 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 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 16:28:50,859 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 16:28:50,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:50,860 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 16:28:50,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:52,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:52,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:28:52,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:52,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:28:52,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 57 [2021-07-14 16:28:52,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:52,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:52,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:52,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:28:52,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:28:52,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 3 [2021-07-14 16:28:52,853 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:52,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:52,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:28:52,861 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:16 [2021-07-14 16:28:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:53,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501441732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:53,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:53,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 33] total 61 [2021-07-14 16:28:53,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858950213] [2021-07-14 16:28:53,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-14 16:28:53,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:53,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-14 16:28:53,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=3368, Unknown=0, NotChecked=0, Total=3660 [2021-07-14 16:28:53,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:53,017 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:53,018 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.639344262295082) internal successors, (100), 61 states have internal predecessors, (100), 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 16:28:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:28:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:28:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:28:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:28:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:28:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:55,503 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-07-14 16:28:55,919 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2021-07-14 16:28:56,269 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2021-07-14 16:28:56,663 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-07-14 16:28:56,928 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2021-07-14 16:28:57,372 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2021-07-14 16:28:57,684 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-07-14 16:28:58,220 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-07-14 16:28:58,946 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2021-07-14 16:28:59,127 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2021-07-14 16:28:59,416 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2021-07-14 16:28:59,712 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-07-14 16:29:00,040 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2021-07-14 16:29:00,274 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2021-07-14 16:29:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:02,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:29:02,130 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:29:02,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:29:02,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1314376661, now seen corresponding path program 7 times [2021-07-14 16:29:02,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:29:02,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196460603] [2021-07-14 16:29:02,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:29:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:29:03,378 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:03,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:29:03,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196460603] [2021-07-14 16:29:03,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196460603] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:03,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844767301] [2021-07-14 16:29:03,378 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 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 16:29:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:29:03,415 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-14 16:29:03,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:29:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:29:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:29:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:29:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 104 [2021-07-14 16:29:05,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:29:05,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:29:05,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:29:05,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:29:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:05,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:29:05,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 7 [2021-07-14 16:29:05,456 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:29:05,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:29:05,466 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:29:05,467 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:170, output treesize:7 [2021-07-14 16:29:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:05,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844767301] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:05,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:29:05,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 51 [2021-07-14 16:29:05,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235404284] [2021-07-14 16:29:05,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-14 16:29:05,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:29:05,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-14 16:29:05,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2413, Unknown=0, NotChecked=0, Total=2550 [2021-07-14 16:29:05,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:05,514 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:29:05,514 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.7843137254901962) internal successors, (91), 51 states have internal predecessors, (91), 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 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:05,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:06,086 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-14 16:29:06,582 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2021-07-14 16:29:07,110 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2021-07-14 16:29:07,629 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 124 [2021-07-14 16:29:08,145 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2021-07-14 16:29:08,676 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2021-07-14 16:29:09,176 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2021-07-14 16:29:09,701 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2021-07-14 16:29:10,215 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-14 16:29:10,724 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2021-07-14 16:29:11,270 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2021-07-14 16:29:11,821 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2021-07-14 16:29:12,353 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2021-07-14 16:29:13,074 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-07-14 16:29:13,417 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-07-14 16:29:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:13,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:13,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:13,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:13,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:13,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:29:13,993 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:29:13,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:29:13,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1135621498, now seen corresponding path program 8 times [2021-07-14 16:29:13,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:29:13,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834653455] [2021-07-14 16:29:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:29:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:29:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 51 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:14,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:29:14,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834653455] [2021-07-14 16:29:14,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834653455] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:14,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606115070] [2021-07-14 16:29:14,170 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 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 16:29:14,223 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:29:14,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:29:14,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 16:29:14,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:29:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 70 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:14,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606115070] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:14,663 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:29:14,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 35 [2021-07-14 16:29:14,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466445275] [2021-07-14 16:29:14,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-14 16:29:14,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:29:14,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-14 16:29:14,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=980, Unknown=0, NotChecked=0, Total=1190 [2021-07-14 16:29:14,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:14,664 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:29:14,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.142857142857143) internal successors, (110), 35 states have internal predecessors, (110), 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 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:14,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:15,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:15,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:15,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:15,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:15,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 16:29:15,837 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:29:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:29:15,837 INFO L82 PathProgramCache]: Analyzing trace with hash 431223724, now seen corresponding path program 9 times [2021-07-14 16:29:15,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:29:15,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849564085] [2021-07-14 16:29:15,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:29:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:29:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 75 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:16,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:29:16,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849564085] [2021-07-14 16:29:16,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849564085] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:16,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977707991] [2021-07-14 16:29:16,049 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 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 16:29:16,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 16:29:16,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:29:16,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 16:29:16,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:29:16,558 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 75 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:16,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977707991] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:16,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:29:16,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-14 16:29:16,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493449729] [2021-07-14 16:29:16,559 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 16:29:16,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:29:16,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 16:29:16,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 16:29:16,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:16,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:29:16,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 3.125) internal successors, (125), 40 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:16,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:16,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:29:17,166 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 16:29:17,166 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:29:17,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:29:17,167 INFO L82 PathProgramCache]: Analyzing trace with hash -47090053, now seen corresponding path program 10 times [2021-07-14 16:29:17,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:29:17,167 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817835543] [2021-07-14 16:29:17,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:29:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:29:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 75 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:17,394 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:29:17,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817835543] [2021-07-14 16:29:17,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817835543] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:17,394 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425806256] [2021-07-14 16:29:17,394 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 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 16:29:17,438 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 16:29:17,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:29:17,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 16:29:17,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:29:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 75 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:17,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425806256] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:17,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:29:17,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 42 [2021-07-14 16:29:17,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814694131] [2021-07-14 16:29:17,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 16:29:17,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:29:17,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 16:29:17,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=1390, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 16:29:17,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:17,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:29:17,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 3.119047619047619) internal successors, (131), 42 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:29:17,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:17,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:17,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:17,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:17,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:17,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:17,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:17,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:17,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:17,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:17,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:17,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:17,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:29:17,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:18,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:18,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:29:18,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:29:18,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 16:29:18,542 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:29:18,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:29:18,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1208667468, now seen corresponding path program 11 times [2021-07-14 16:29:18,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:29:18,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136273904] [2021-07-14 16:29:18,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:29:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:29:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:20,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:29:20,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136273904] [2021-07-14 16:29:20,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136273904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:20,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956630235] [2021-07-14 16:29:20,897 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 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 16:29:20,942 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 16:29:20,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:29:20,944 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 87 conjunts are in the unsatisfiable core [2021-07-14 16:29:20,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:29:26,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:29:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:29:26,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 91 [2021-07-14 16:29:26,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:29:26,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:29:26,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:29:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:29:26,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:29:26,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 3 [2021-07-14 16:29:26,815 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:29:26,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:29:26,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:29:26,821 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:146, output treesize:3 [2021-07-14 16:29:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:26,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956630235] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:26,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:29:26,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 86 [2021-07-14 16:29:26,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888323666] [2021-07-14 16:29:26,877 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-14 16:29:26,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:29:26,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-14 16:29:26,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=7101, Unknown=0, NotChecked=0, Total=7310 [2021-07-14 16:29:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:26,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:29:26,880 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 1.686046511627907) internal successors, (145), 86 states have internal predecessors, (145), 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 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:29:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:27,993 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-14 16:29:29,090 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 184 [2021-07-14 16:29:30,296 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2021-07-14 16:29:31,525 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2021-07-14 16:29:32,742 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2021-07-14 16:29:33,916 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2021-07-14 16:29:35,066 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2021-07-14 16:29:36,246 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-14 16:29:37,426 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-14 16:29:38,590 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-14 16:29:39,719 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-14 16:29:40,867 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-14 16:29:42,036 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-14 16:29:43,194 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-14 16:29:44,337 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-14 16:29:45,671 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-14 16:29:46,997 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-07-14 16:29:48,651 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-07-14 16:29:49,934 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 185 [2021-07-14 16:29:51,555 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2021-07-14 16:29:53,053 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2021-07-14 16:29:53,518 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:29:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:29:53,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:29:54,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:29:54,174 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:29:54,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:29:54,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1979139877, now seen corresponding path program 12 times [2021-07-14 16:29:54,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:29:54,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090992704] [2021-07-14 16:29:54,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:29:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:29:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 117 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:54,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:29:54,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090992704] [2021-07-14 16:29:54,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090992704] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:54,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593702621] [2021-07-14 16:29:54,469 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 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 16:29:54,525 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-07-14 16:29:54,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:29:54,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 16:29:54,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:29:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 145 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:55,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593702621] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:55,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:29:55,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 47 [2021-07-14 16:29:55,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188958536] [2021-07-14 16:29:55,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 16:29:55,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:29:55,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 16:29:55,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=1781, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 16:29:55,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:55,254 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:29:55,254 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 3.106382978723404) internal successors, (146), 47 states have internal predecessors, (146), 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 16:29:55,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:29:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:29:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:29:57,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 16:29:57,074 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:29:57,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:29:57,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1693274773, now seen corresponding path program 13 times [2021-07-14 16:29:57,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:29:57,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197275224] [2021-07-14 16:29:57,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:29:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:29:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 150 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:57,367 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:29:57,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197275224] [2021-07-14 16:29:57,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197275224] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:57,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305843687] [2021-07-14 16:29:57,367 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 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 16:29:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:29:57,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 16:29:57,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:29:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 176 proven. 176 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 16:29:58,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305843687] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:58,086 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:29:58,086 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 52 [2021-07-14 16:29:58,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145287229] [2021-07-14 16:29:58,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 16:29:58,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:29:58,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 16:29:58,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=2295, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 16:29:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:58,088 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:29:58,088 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 3.2115384615384617) internal successors, (167), 52 states have internal predecessors, (167), 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 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:29:58,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:29:59,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:29:59,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:29:59,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:29:59,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:29:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:29:59,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 16:29:59,500 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:29:59,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:29:59,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1270397562, now seen corresponding path program 14 times [2021-07-14 16:29:59,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:29:59,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697786580] [2021-07-14 16:29:59,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:29:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:29:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 150 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:29:59,851 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:29:59,851 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697786580] [2021-07-14 16:29:59,851 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697786580] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:29:59,851 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257027871] [2021-07-14 16:29:59,851 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 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 16:29:59,907 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:29:59,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:29:59,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 16:29:59,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:30:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 150 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:30:00,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257027871] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:30:00,593 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:30:00,593 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 54 [2021-07-14 16:30:00,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680105248] [2021-07-14 16:30:00,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-14 16:30:00,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:30:00,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-14 16:30:00,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=545, Invalid=2317, Unknown=0, NotChecked=0, Total=2862 [2021-07-14 16:30:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:30:00,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:30:00,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 3.0925925925925926) internal successors, (167), 54 states have internal predecessors, (167), 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 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:30:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:30:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:30:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:30:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:30:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:30:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:30:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:30:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:30:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:30:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:30:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:30:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:30:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:30:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:30:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:30:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:30:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:30:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:30:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:30:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:30:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:30:01,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:30:01,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 16:30:01,336 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:30:01,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:30:01,337 INFO L82 PathProgramCache]: Analyzing trace with hash 390225675, now seen corresponding path program 15 times [2021-07-14 16:30:01,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:30:01,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443781992] [2021-07-14 16:30:01,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:30:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:30:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 428 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:30:05,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:30:05,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443781992] [2021-07-14 16:30:05,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443781992] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:30:05,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114216626] [2021-07-14 16:30:05,231 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 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 16:30:05,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-07-14 16:30:05,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:30:05,289 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 117 conjunts are in the unsatisfiable core [2021-07-14 16:30:05,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:30:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:24,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:30:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:25,064 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-07-14 16:30:25,381 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-07-14 16:30:25,381 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:30:25,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 174 disjoint index pairs (out of 231 index pairs), introduced 21 new quantified variables, introduced 36 case distinctions, treesize of input 304 treesize of output 568 [2021-07-14 16:30:26,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 16:30:26,908 INFO L628 ElimStorePlain]: treesize reduction 4, result has 97.9 percent of original size [2021-07-14 16:30:26,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:30:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:30:26,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:30:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:30:26,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:30:26,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:30:26,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:30:26,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:30:26,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:30:26,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:30:26,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 7 [2021-07-14 16:30:26,963 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:30:26,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:30:26,984 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:30:26,984 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:331, output treesize:24 [2021-07-14 16:30:27,508 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 428 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:30:27,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114216626] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:30:27,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:30:27,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 61] total 105 [2021-07-14 16:30:27,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076055667] [2021-07-14 16:30:27,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-07-14 16:30:27,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:30:27,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-07-14 16:30:27,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=10667, Unknown=1, NotChecked=0, Total=10920 [2021-07-14 16:30:27,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:30:27,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:30:27,511 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 105 states, 105 states have (on average 1.5809523809523809) internal successors, (166), 105 states have internal predecessors, (166), 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 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:30:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:30:27,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:30:27,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:30:27,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:30:27,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:30:27,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:30:27,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:30:29,729 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 16:30:32,087 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 247 DAG size of output: 247 [2021-07-14 16:30:34,592 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-14 16:30:37,020 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 250 DAG size of output: 250 [2021-07-14 16:30:39,480 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-14 16:30:41,905 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 240 DAG size of output: 240 [2021-07-14 16:30:44,302 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-07-14 16:30:46,828 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 16:30:49,202 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 16:30:51,775 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 16:30:54,215 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 16:30:56,743 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 16:30:59,105 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 16:31:01,648 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 16:31:04,041 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 16:31:06,471 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 16:31:08,874 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 16:31:11,288 WARN L205 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 16:31:13,661 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 16:31:16,103 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 16:31:18,608 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-14 16:31:22,173 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-14 16:31:28,702 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 294 DAG size of output: 284 [2021-07-14 16:31:35,344 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 294 DAG size of output: 284 [2021-07-14 16:31:37,552 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 83 [2021-07-14 16:31:41,009 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 291 DAG size of output: 281 [2021-07-14 16:31:42,943 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 85 [2021-07-14 16:31:46,699 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 293 DAG size of output: 283 [2021-07-14 16:31:49,787 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 298 DAG size of output: 288 [2021-07-14 16:31:51,005 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2021-07-14 16:31:54,563 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 293 DAG size of output: 288 [2021-07-14 16:31:57,592 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 298 DAG size of output: 293 [2021-07-14 16:31:59,736 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-07-14 16:32:00,596 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-14 16:32:04,096 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 287 DAG size of output: 287 [2021-07-14 16:32:06,573 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-07-14 16:32:07,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:32:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:32:07,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:32:07,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:32:07,696 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:32:07,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:32:07,697 INFO L82 PathProgramCache]: Analyzing trace with hash -35117862, now seen corresponding path program 16 times [2021-07-14 16:32:07,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:32:07,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634458199] [2021-07-14 16:32:07,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:32:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:32:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 210 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:32:08,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:32:08,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634458199] [2021-07-14 16:32:08,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634458199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:32:08,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095819560] [2021-07-14 16:32:08,247 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 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 16:32:08,302 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 16:32:08,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:32:08,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 16:32:08,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:32:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 247 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:32:09,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095819560] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:32:09,427 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:32:09,427 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 59 [2021-07-14 16:32:09,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054005979] [2021-07-14 16:32:09,427 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-14 16:32:09,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:32:09,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-14 16:32:09,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=2816, Unknown=0, NotChecked=0, Total=3422 [2021-07-14 16:32:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:32:09,429 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:32:09,429 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 3.0847457627118646) internal successors, (182), 59 states have internal predecessors, (182), 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 16:32:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:32:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:32:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:32:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:32:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:32:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:32:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:32:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:32:09,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:32:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:32:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:32:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:32:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:32:12,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2021-07-14 16:32:12,425 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:32:12,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:32:12,425 INFO L82 PathProgramCache]: Analyzing trace with hash 428036172, now seen corresponding path program 17 times [2021-07-14 16:32:12,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:32:12,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200658593] [2021-07-14 16:32:12,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:32:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:32:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 252 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:32:13,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:32:13,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200658593] [2021-07-14 16:32:13,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200658593] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:32:13,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610976581] [2021-07-14 16:32:13,008 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 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 16:32:13,078 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-07-14 16:32:13,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:32:13,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-14 16:32:13,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:32:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 252 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:32:14,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610976581] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:32:14,230 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:32:14,230 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 64 [2021-07-14 16:32:14,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960312905] [2021-07-14 16:32:14,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-14 16:32:14,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:32:14,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-14 16:32:14,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=761, Invalid=3271, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 16:32:14,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:32:14,232 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:32:14,232 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 3.078125) internal successors, (197), 64 states have internal predecessors, (197), 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 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:32:14,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:32:14,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:32:14,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:32:14,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:32:14,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:32:14,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:32:15,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:32:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:32:15,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:32:15,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-07-14 16:32:15,265 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:32:15,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:32:15,266 INFO L82 PathProgramCache]: Analyzing trace with hash -526657637, now seen corresponding path program 18 times [2021-07-14 16:32:15,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:32:15,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420272088] [2021-07-14 16:32:15,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:32:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:32:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 252 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:32:15,922 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:32:15,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420272088] [2021-07-14 16:32:15,922 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420272088] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:32:15,922 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165201871] [2021-07-14 16:32:15,922 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 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 16:32:15,979 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-07-14 16:32:15,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:32:15,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 16:32:15,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:32:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 252 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:32:17,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165201871] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:32:17,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:32:17,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 66 [2021-07-14 16:32:17,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479091832] [2021-07-14 16:32:17,101 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 16:32:17,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:32:17,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 16:32:17,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=812, Invalid=3478, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 16:32:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:32:17,102 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:32:17,102 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 3.0757575757575757) internal successors, (203), 66 states have internal predecessors, (203), 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 16:32:17,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:32:17,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:32:17,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:32:17,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:32:17,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:32:17,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:32:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:32:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:32:17,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:32:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:32:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:32:18,173 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:32:18,174 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:32:18,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:32:18,174 INFO L82 PathProgramCache]: Analyzing trace with hash -536487444, now seen corresponding path program 19 times [2021-07-14 16:32:18,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:32:18,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091001094] [2021-07-14 16:32:18,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:32:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:32:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:32:25,913 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:32:25,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091001094] [2021-07-14 16:32:25,913 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091001094] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:32:25,913 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697215050] [2021-07-14 16:32:25,914 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 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 16:32:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:32:25,972 WARN L261 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 136 conjunts are in the unsatisfiable core [2021-07-14 16:32:25,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:32:42,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:32:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:32:42,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:32:42,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 120 disjoint index pairs (out of 171 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 212 [2021-07-14 16:32:42,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:32:42,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:32:42,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:32:42,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:32:42,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:32:42,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:32:42,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 7 [2021-07-14 16:32:42,379 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:32:42,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:32:42,393 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:32:42,393 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:332, output treesize:7 [2021-07-14 16:32:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:32:42,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697215050] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:32:42,559 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:32:42,559 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 68] total 105 [2021-07-14 16:32:42,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675685588] [2021-07-14 16:32:42,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-07-14 16:32:42,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:32:42,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-07-14 16:32:42,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=10639, Unknown=0, NotChecked=0, Total=10920 [2021-07-14 16:32:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:32:42,563 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:32:42,563 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 105 states, 105 states have (on average 1.638095238095238) internal successors, (172), 105 states have internal predecessors, (172), 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 16:32:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:32:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:32:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:32:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:32:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:32:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:32:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:32:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:32:42,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:32:42,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:32:45,399 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:32:48,322 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 310 DAG size of output: 310 [2021-07-14 16:32:51,338 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 311 DAG size of output: 311 [2021-07-14 16:32:54,361 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 313 DAG size of output: 313 [2021-07-14 16:32:57,466 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 311 DAG size of output: 311 [2021-07-14 16:33:00,514 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 303 DAG size of output: 303 [2021-07-14 16:33:03,585 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 301 DAG size of output: 301 [2021-07-14 16:33:06,673 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:33:09,835 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:33:12,884 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:33:15,891 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:33:18,777 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:33:21,926 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:33:25,022 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:33:28,052 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:33:31,121 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:33:34,173 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:33:37,167 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:33:40,209 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:33:43,268 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:33:46,221 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:33:49,295 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:33:52,366 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:33:55,425 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:33:58,550 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:34:01,649 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:34:04,713 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-14 16:34:07,792 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-14 16:34:10,943 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 318 DAG size of output: 318 [2021-07-14 16:34:14,052 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 319 DAG size of output: 319 [2021-07-14 16:34:17,166 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 315 DAG size of output: 315 [2021-07-14 16:34:21,136 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 328 DAG size of output: 323 [2021-07-14 16:34:23,100 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2021-07-14 16:34:24,423 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-07-14 16:34:25,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:34:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:34:25,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:34:25,370 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:34:25,370 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:34:25,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:34:25,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1318491653, now seen corresponding path program 20 times [2021-07-14 16:34:25,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:34:25,371 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839669434] [2021-07-14 16:34:25,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:34:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:34:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 330 proven. 387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:34:26,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:34:26,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839669434] [2021-07-14 16:34:26,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839669434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:34:26,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085367282] [2021-07-14 16:34:26,137 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 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 16:34:26,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:34:26,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:34:26,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 16:34:26,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:34:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 376 proven. 341 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:34:27,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085367282] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:34:27,616 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:34:27,616 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 71 [2021-07-14 16:34:27,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30274556] [2021-07-14 16:34:27,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-07-14 16:34:27,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:34:27,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-07-14 16:34:27,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=885, Invalid=4085, Unknown=0, NotChecked=0, Total=4970 [2021-07-14 16:34:27,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:34:27,618 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:34:27,619 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 3.0704225352112675) internal successors, (218), 71 states have internal predecessors, (218), 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 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:34:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:34:27,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:34:27,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:34:27,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:34:27,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:34:27,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:34:27,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:34:27,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:34:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:34:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:34:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:34:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:34:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:34:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:34:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:34:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:34:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:34:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:34:31,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:34:31,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:34:31,917 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:34:31,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:34:31,917 INFO L82 PathProgramCache]: Analyzing trace with hash 269959243, now seen corresponding path program 21 times [2021-07-14 16:34:31,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:34:31,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306893970] [2021-07-14 16:34:31,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:34:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:34:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 381 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:34:32,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:34:32,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306893970] [2021-07-14 16:34:32,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306893970] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:34:32,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32979386] [2021-07-14 16:34:32,620 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 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 16:34:32,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2021-07-14 16:34:32,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:34:32,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 16:34:32,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:34:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 381 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:34:34,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32979386] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:34:34,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:34:34,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 76 [2021-07-14 16:34:34,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024346644] [2021-07-14 16:34:34,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-07-14 16:34:34,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:34:34,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-07-14 16:34:34,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1073, Invalid=4627, Unknown=0, NotChecked=0, Total=5700 [2021-07-14 16:34:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:34:34,131 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:34:34,131 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 3.0657894736842106) internal successors, (233), 76 states have internal predecessors, (233), 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 16:34:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:34:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:34:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:34:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:34:34,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:34:34,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:34:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:34:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:34:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:34:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:34:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:34:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:34:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:34:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:34:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:34:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:34:35,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:34:35,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:34:35,480 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:34:35,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:34:35,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1840238118, now seen corresponding path program 22 times [2021-07-14 16:34:35,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:34:35,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451743020] [2021-07-14 16:34:35,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:34:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:34:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 381 proven. 526 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:34:36,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:34:36,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451743020] [2021-07-14 16:34:36,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451743020] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:34:36,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550807598] [2021-07-14 16:34:36,195 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 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 16:34:36,241 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 16:34:36,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:34:36,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 16:34:36,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:34:37,745 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 381 proven. 526 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:34:37,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550807598] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:34:37,745 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:34:37,745 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 78 [2021-07-14 16:34:37,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530264679] [2021-07-14 16:34:37,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 78 states [2021-07-14 16:34:37,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:34:37,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-07-14 16:34:37,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1133, Invalid=4873, Unknown=0, NotChecked=0, Total=6006 [2021-07-14 16:34:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:34:37,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:34:37,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 78 states, 78 states have (on average 3.0641025641025643) internal successors, (239), 78 states have internal predecessors, (239), 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 16:34:37,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:34:37,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:34:37,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:34:37,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:34:37,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:34:37,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:34:37,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:34:37,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:34:37,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:34:38,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:34:38,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:34:38,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:34:38,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:34:38,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:34:38,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:34:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 16:34:39,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-07-14 16:34:39,092 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:34:39,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:34:39,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1293508117, now seen corresponding path program 23 times [2021-07-14 16:34:39,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:34:39,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613079466] [2021-07-14 16:34:39,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:34:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:34:43,469 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-07-14 16:34:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:34:50,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:34:50,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613079466] [2021-07-14 16:34:50,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613079466] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:34:50,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141985976] [2021-07-14 16:34:50,798 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 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 16:34:50,877 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-07-14 16:34:50,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:34:50,879 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 159 conjunts are in the unsatisfiable core [2021-07-14 16:34:50,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:35:30,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:35:30,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:35:30,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 171 disjoint index pairs (out of 210 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 163 [2021-07-14 16:35:30,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:35:30,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:35:30,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:35:30,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:35:30,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:35:30,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 3 [2021-07-14 16:35:30,128 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:35:30,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:35:30,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:35:30,139 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:254, output treesize:3 [2021-07-14 16:35:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:35:30,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141985976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:35:30,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:35:30,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81] total 158 [2021-07-14 16:35:30,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257687252] [2021-07-14 16:35:30,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 158 states [2021-07-14 16:35:30,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:35:30,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2021-07-14 16:35:30,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=24417, Unknown=0, NotChecked=0, Total=24806 [2021-07-14 16:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:35:30,284 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:35:30,284 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 158 states, 158 states have (on average 1.6012658227848102) internal successors, (253), 158 states have internal predecessors, (253), 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 16:35:30,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:35:30,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:35:30,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:35:30,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:35:30,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:35:30,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:35:30,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:35:30,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 16:35:30,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:35:35,630 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 380 DAG size of output: 325 [2021-07-14 16:35:41,208 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 382 DAG size of output: 329 [2021-07-14 16:35:44,467 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 27 [2021-07-14 16:35:47,982 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 29 [2021-07-14 16:35:51,510 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 43 [2021-07-14 16:35:54,911 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 32 [2021-07-14 16:35:58,311 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 54 [2021-07-14 16:36:01,821 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 62 [2021-07-14 16:36:05,427 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 81 [2021-07-14 16:36:08,970 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 83 [2021-07-14 16:36:12,754 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 102 [2021-07-14 16:36:16,453 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 104 [2021-07-14 16:36:20,278 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 123 [2021-07-14 16:36:24,169 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 399 DAG size of output: 125 [2021-07-14 16:36:28,141 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 399 DAG size of output: 144 [2021-07-14 16:36:32,076 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 399 DAG size of output: 146 [2021-07-14 16:36:36,127 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 399 DAG size of output: 165 [2021-07-14 16:36:40,246 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 399 DAG size of output: 167 [2021-07-14 16:36:44,373 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 399 DAG size of output: 186 [2021-07-14 16:36:48,570 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 399 DAG size of output: 188 [2021-07-14 16:36:52,867 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 399 DAG size of output: 207 [2021-07-14 16:36:57,177 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 399 DAG size of output: 209 [2021-07-14 16:37:01,590 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 399 DAG size of output: 228 [2021-07-14 16:37:06,098 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 399 DAG size of output: 230 [2021-07-14 16:37:10,670 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 399 DAG size of output: 249 [2021-07-14 16:37:15,193 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 399 DAG size of output: 251 [2021-07-14 16:37:19,903 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 399 DAG size of output: 270 [2021-07-14 16:37:24,671 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 399 DAG size of output: 272 [2021-07-14 16:37:29,649 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 399 DAG size of output: 291 [2021-07-14 16:37:34,747 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 399 DAG size of output: 293 [2021-07-14 16:37:40,049 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 399 DAG size of output: 312 [2021-07-14 16:37:45,215 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 399 DAG size of output: 314 [2021-07-14 16:37:50,759 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 399 DAG size of output: 333 [2021-07-14 16:37:52,130 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2021-07-14 16:37:56,963 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 399 DAG size of output: 335 [2021-07-14 16:37:58,527 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 144 [2021-07-14 16:38:05,644 WARN L205 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 402 DAG size of output: 362 [2021-07-14 16:38:06,776 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 77 [2021-07-14 16:38:07,642 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2021-07-14 16:38:08,561 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 90 [2021-07-14 16:38:15,670 WARN L205 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 402 DAG size of output: 359 [2021-07-14 16:38:17,139 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 149 [2021-07-14 16:38:21,691 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 385 DAG size of output: 379 [2021-07-14 16:38:23,386 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-07-14 16:38:24,093 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2021-07-14 16:38:28,677 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 385 DAG size of output: 380 [2021-07-14 16:38:29,918 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2021-07-14 16:38:30,652 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2021-07-14 16:38:35,563 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 392 DAG size of output: 392 [2021-07-14 16:38:37,964 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2021-07-14 16:38:39,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:38:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:38:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:38:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:38:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:38:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:38:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:38:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:38:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 16:38:39,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-14 16:38:39,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-07-14 16:38:39,510 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:38:39,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:38:39,510 INFO L82 PathProgramCache]: Analyzing trace with hash -176034758, now seen corresponding path program 24 times [2021-07-14 16:38:39,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:38:39,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940251444] [2021-07-14 16:38:39,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:38:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:38:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 477 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:38:40,331 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:38:40,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940251444] [2021-07-14 16:38:40,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940251444] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:38:40,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000113400] [2021-07-14 16:38:40,331 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 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 16:38:40,404 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2021-07-14 16:38:40,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:38:40,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 16:38:40,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:38:42,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 532 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:38:42,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000113400] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:38:42,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:38:42,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44] total 83 [2021-07-14 16:38:42,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335549876] [2021-07-14 16:38:42,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-07-14 16:38:42,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:38:42,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-07-14 16:38:42,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1218, Invalid=5588, Unknown=0, NotChecked=0, Total=6806 [2021-07-14 16:38:42,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:38:42,315 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:38:42,315 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 3.0602409638554215) internal successors, (254), 83 states have internal predecessors, (254), 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 16:38:42,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:38:42,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:38:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:38:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:38:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:38:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:38:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:38:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:38:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 16:38:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-07-14 16:38:42,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:38:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:38:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:38:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:38:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:38:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:38:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-14 16:38:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 16:38:47,949 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-07-14 16:38:47,949 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:38:47,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:38:47,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1350817004, now seen corresponding path program 25 times [2021-07-14 16:38:47,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:38:47,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827216598] [2021-07-14 16:38:47,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:38:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:38:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 537 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:38:48,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:38:48,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827216598] [2021-07-14 16:38:48,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827216598] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:38:48,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786734780] [2021-07-14 16:38:48,878 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:38:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:38:48,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 16:38:48,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:38:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 590 proven. 590 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 16:38:50,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786734780] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:38:50,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:38:50,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44] total 88 [2021-07-14 16:38:50,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009266986] [2021-07-14 16:38:50,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-14 16:38:50,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:38:50,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-14 16:38:50,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=996, Invalid=6660, Unknown=0, NotChecked=0, Total=7656 [2021-07-14 16:38:50,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:38:50,796 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:38:50,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 3.125) internal successors, (275), 88 states have internal predecessors, (275), 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 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 16:38:50,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:38:54,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:38:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:38:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:38:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:38:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:38:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:38:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:38:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:38:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 16:38:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-14 16:38:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 16:38:54,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 16:38:54,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:38:54,392 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:38:54,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:38:54,392 INFO L82 PathProgramCache]: Analyzing trace with hash -51437381, now seen corresponding path program 26 times [2021-07-14 16:38:54,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:38:54,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794895930] [2021-07-14 16:38:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:38:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:38:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 537 proven. 709 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:38:55,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:38:55,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794895930] [2021-07-14 16:38:55,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794895930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:38:55,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921460099] [2021-07-14 16:38:55,408 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:38:55,480 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:38:55,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:38:55,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 16:38:55,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:38:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 537 proven. 709 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:38:57,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921460099] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:38:57,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:38:57,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 90 [2021-07-14 16:38:57,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263646145] [2021-07-14 16:38:57,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 90 states [2021-07-14 16:38:57,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:38:57,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-07-14 16:38:57,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1508, Invalid=6502, Unknown=0, NotChecked=0, Total=8010 [2021-07-14 16:38:57,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:38:57,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:38:57,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 90 states, 90 states have (on average 3.0555555555555554) internal successors, (275), 90 states have internal predecessors, (275), 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 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-07-14 16:38:57,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 16:38:57,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 16:38:57,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:38:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:38:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-14 16:38:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 16:38:58,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 16:38:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 16:38:59,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-07-14 16:38:59,065 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:38:59,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:38:59,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1759900020, now seen corresponding path program 27 times [2021-07-14 16:38:59,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:38:59,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247215834] [2021-07-14 16:38:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:38:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:39:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 0 proven. 1310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:39:15,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:39:15,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247215834] [2021-07-14 16:39:15,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247215834] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:39:15,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845225777] [2021-07-14 16:39:15,914 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:39:16,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2021-07-14 16:39:16,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:39:16,014 WARN L261 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 189 conjunts are in the unsatisfiable core [2021-07-14 16:39:16,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:39:49,970 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-14 16:39:52,079 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-14 16:39:54,166 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-14 16:39:55,218 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-14 16:39:56,414 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-14 16:39:58,691 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-14 16:39:59,989 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-14 16:40:04,251 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-14 16:40:05,588 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-14 16:40:06,852 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-14 16:40:08,129 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-14 16:40:10,854 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-07-14 16:40:12,257 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-07-14 16:40:13,938 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-07-14 16:40:15,401 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-14 16:40:19,900 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-14 16:40:21,499 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-14 16:40:23,079 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-14 16:40:24,765 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-14 16:40:26,364 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-07-14 16:40:28,020 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 16:40:29,667 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-14 16:40:31,466 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-07-14 16:40:33,244 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-07-14 16:40:35,172 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-07-14 16:40:38,980 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-07-14 16:40:41,069 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-14 16:40:43,163 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-14 16:40:45,115 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-07-14 16:40:47,186 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-07-14 16:40:51,352 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-14 16:40:54,751 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-14 16:40:57,256 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-07-14 16:40:59,642 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-07-14 16:41:02,279 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-07-14 16:41:02,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:41:02,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:41:02,764 INFO L244 Elim1Store]: Index analysis took 459 ms [2021-07-14 16:41:04,934 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 490 [2021-07-14 16:41:04,934 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:41:04,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 37 select indices, 37 select index equivalence classes, 525 disjoint index pairs (out of 666 index pairs), introduced 36 new quantified variables, introduced 105 case distinctions, treesize of input 514 treesize of output 1402 [2021-07-14 16:41:05,499 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 425 [2021-07-14 16:41:05,629 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-07-14 16:41:05,758 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-07-14 16:41:05,956 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2021-07-14 16:41:06,091 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 545 [2021-07-14 16:41:06,438 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 567 [2021-07-14 16:41:06,767 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 729 [2021-07-14 16:41:07,093 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 729 [2021-07-14 16:41:07,585 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 749 [2021-07-14 16:41:08,155 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 387 [2021-07-14 16:41:08,295 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 430 [2021-07-14 16:41:08,584 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 494 [2021-07-14 16:41:08,735 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 611 [2021-07-14 16:41:09,058 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 632 [2021-07-14 16:41:09,615 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 754 [2021-07-14 16:41:10,181 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 754 [2021-07-14 16:41:10,789 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 758 [2021-07-14 16:41:11,412 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 792 [2021-07-14 16:41:12,047 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 794 [2021-07-14 16:41:12,627 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 794 [2021-07-14 16:41:14,589 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 850 DAG size of output: 919 [2021-07-14 16:41:15,308 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 831 [2021-07-14 16:41:16,008 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 816 [2021-07-14 16:41:16,649 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 690 [2021-07-14 16:41:17,617 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 403 [2021-07-14 16:41:17,801 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 512 [2021-07-14 16:41:18,727 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 982 DAG size of output: 780 [2021-07-14 16:41:19,071 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 351 [2021-07-14 16:41:19,765 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 525 [2021-07-14 16:41:20,454 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 586 [2021-07-14 16:41:21,139 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 563 [2021-07-14 16:41:21,314 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 659 [2021-07-14 16:41:21,561 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 717 [2021-07-14 16:41:21,930 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 838 [2021-07-14 16:41:23,860 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1731 DAG size of output: 1527 [2021-07-14 16:41:27,408 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 1977 DAG size of output: 1776 [2021-07-14 16:41:27,727 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 524 [2021-07-14 16:41:28,337 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 500 [2021-07-14 16:41:28,492 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 380 [2021-07-14 16:41:29,553 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 561 [2021-07-14 16:41:29,841 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 681 [2021-07-14 16:41:30,255 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 791 [2021-07-14 16:41:30,845 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 873 [2021-07-14 16:41:31,568 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 497 [2021-07-14 16:41:32,817 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1408 DAG size of output: 1317 [2021-07-14 16:41:34,521 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1533 DAG size of output: 1441 [2021-07-14 16:41:59,337 WARN L205 SmtUtils]: Spent 24.80 s on a formula simplification. DAG size of input: 3043 DAG size of output: 2694 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown