/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 11:11:03,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:11:03,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:11:03,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 11:11:03,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 11:11:03,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 11:11:03,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 11:11:03,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 11:11:03,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 11:11:03,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 11:11:03,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 11:11:03,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 11:11:03,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 11:11:03,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 11:11:03,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 11:11:03,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 11:11:03,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 11:11:03,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 11:11:03,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 11:11:03,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 11:11:03,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 11:11:03,345 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:11:03,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:11:03,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:11:03,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:11:03,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:11:03,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:11:03,348 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:11:03,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:11:03,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:11:03,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:11:03,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:11:03,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:11:03,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:11:03,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:11:03,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:11:03,350 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:11:03,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:11:03,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:11:03,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:11:03,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:11:03,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:11:03,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:11:03,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:11:03,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:11:03,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:11:03,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:11:03,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:11:03,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:11:03,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:11:03,351 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:11:03,352 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:11:03,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:11:03,352 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:11:03,352 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:11:03,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:11:03,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:11:03,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:11:03,630 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 11:11:03,631 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 11:11:03,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-07-14 11:11:03,632 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-07-14 11:11:03,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:11:03,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 11:11:03,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:11:03,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:11:03,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:11:03,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (1/1) ... [2021-07-14 11:11:03,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (1/1) ... [2021-07-14 11:11:03,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:11:03,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:11:03,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:11:03,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:11:03,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (1/1) ... [2021-07-14 11:11:03,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (1/1) ... [2021-07-14 11:11:03,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (1/1) ... [2021-07-14 11:11:03,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (1/1) ... [2021-07-14 11:11:03,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (1/1) ... [2021-07-14 11:11:03,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (1/1) ... [2021-07-14 11:11:03,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (1/1) ... [2021-07-14 11:11:03,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:11:03,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:11:03,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:11:03,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:11:03,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (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 11:11:03,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 11:11:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:11:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:11:03,744 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 11:11:03,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:11:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:11:03,745 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 11:11:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:11:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:11:03,745 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 11:11:03,921 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:11:03,921 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 11:11:03,923 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:11:03 BoogieIcfgContainer [2021-07-14 11:11:03,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:11:03,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:11:03,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:11:03,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:11:03,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:11:03" (1/2) ... [2021-07-14 11:11:03,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6473f21b and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:11:03, skipping insertion in model container [2021-07-14 11:11:03,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:11:03" (2/2) ... [2021-07-14 11:11:03,946 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-07-14 11:11:03,949 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:11:03,949 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:11:03,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:11:03,950 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:11:03,987 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 11:11:04,019 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 11:11:04,106 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:11:04,106 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:11:04,106 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:11:04,106 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:11:04,106 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:11:04,106 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:11:04,106 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:11:04,107 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:11:04,224 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:04,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:04,230 INFO L82 PathProgramCache]: Analyzing trace with hash 466925783, now seen corresponding path program 1 times [2021-07-14 11:11:04,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:04,236 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792742846] [2021-07-14 11:11:04,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:04,332 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 11:11:04,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:04,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792742846] [2021-07-14 11:11:04,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792742846] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:11:04,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:11:04,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 11:11:04,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293243296] [2021-07-14 11:11:04,347 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 11:11:04,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:11:04,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 11:11:04,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 11:11:04,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:04,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:11:04,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:11:04,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:04,371 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:11:04,371 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:04,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:04,372 INFO L82 PathProgramCache]: Analyzing trace with hash 2140139737, now seen corresponding path program 1 times [2021-07-14 11:11:04,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:04,372 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690332254] [2021-07-14 11:11:04,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:04,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:04,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:04,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690332254] [2021-07-14 11:11:04,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690332254] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:04,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098129615] [2021-07-14 11:11:04,465 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 11:11:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:04,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 11:11:04,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:11:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:04,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098129615] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:04,597 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:11:04,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-07-14 11:11:04,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343753872] [2021-07-14 11:11:04,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 11:11:04,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:11:04,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 11:11:04,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-14 11:11:04,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:04,605 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:11:04,605 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:11:04,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:04,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:04,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:04,960 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:04,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:04,960 INFO L82 PathProgramCache]: Analyzing trace with hash 93675479, now seen corresponding path program 1 times [2021-07-14 11:11:04,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:04,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394354301] [2021-07-14 11:11:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:05,135 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 11:11:05,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:05,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394354301] [2021-07-14 11:11:05,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394354301] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:05,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704720862] [2021-07-14 11:11:05,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 11:11:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:05,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 11:11:05,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:11:05,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:05,309 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 19 treesize of output 7 [2021-07-14 11:11:05,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:11:05,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:11:05,318 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:11:05,318 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-07-14 11:11:05,340 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 11:11:05,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704720862] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:05,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:11:05,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 11:11:05,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114177213] [2021-07-14 11:11:05,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 11:11:05,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:11:05,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 11:11:05,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 11:11:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:05,342 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:11:05,342 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 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 11:11:05,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:05,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:05,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:05,590 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:05,590 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:05,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:05,591 INFO L82 PathProgramCache]: Analyzing trace with hash 688965337, now seen corresponding path program 2 times [2021-07-14 11:11:05,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:05,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649715981] [2021-07-14 11:11:05,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:05,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:05,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649715981] [2021-07-14 11:11:05,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649715981] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:05,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665817054] [2021-07-14 11:11:05,645 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 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 11:11:05,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:11:05,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:11:05,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 11:11:05,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:11:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:05,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665817054] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:05,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:11:05,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-07-14 11:11:05,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483769494] [2021-07-14 11:11:05,792 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 11:11:05,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:11:05,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 11:11:05,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-07-14 11:11:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:05,793 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:11:05,793 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:11:05,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:05,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:05,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:05,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:05,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:05,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:05,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:05,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:06,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:06,200 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:06,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:06,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1379448279, now seen corresponding path program 3 times [2021-07-14 11:11:06,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:06,201 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813138929] [2021-07-14 11:11:06,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:06,341 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:06,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813138929] [2021-07-14 11:11:06,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813138929] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:06,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240839140] [2021-07-14 11:11:06,342 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 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 11:11:06,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 11:11:06,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:11:06,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 11:11:06,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:11:06,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:06,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:06,597 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:11:06,598 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 29 [2021-07-14 11:11:06,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 11:11:06,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:11:06,634 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 11:11:06,634 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:27 [2021-07-14 11:11:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:06,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240839140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:06,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:11:06,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-07-14 11:11:06,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117502541] [2021-07-14 11:11:06,705 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 11:11:06,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:11:06,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 11:11:06,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-07-14 11:11:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:06,706 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:11:06,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 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 11:11:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:06,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:07,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:07,044 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:07,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:07,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1386441051, now seen corresponding path program 4 times [2021-07-14 11:11:07,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:07,045 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439943352] [2021-07-14 11:11:07,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:07,118 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:07,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439943352] [2021-07-14 11:11:07,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439943352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:07,118 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92551073] [2021-07-14 11:11:07,118 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:07,142 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:11:07,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:11:07,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 11:11:07,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:11:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:07,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92551073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:07,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:11:07,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-07-14 11:11:07,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544334301] [2021-07-14 11:11:07,281 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 11:11:07,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:11:07,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 11:11:07,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-07-14 11:11:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:07,282 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:11:07,282 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.2) internal successors, (44), 19 states have internal predecessors, (44), 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 11:11:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:07,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:07,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:07,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:07,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:11:07,709 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:07,709 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:07,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:07,710 INFO L82 PathProgramCache]: Analyzing trace with hash -742756649, now seen corresponding path program 5 times [2021-07-14 11:11:07,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:07,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781291240] [2021-07-14 11:11:07,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:08,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:08,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781291240] [2021-07-14 11:11:08,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781291240] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:08,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856346720] [2021-07-14 11:11:08,125 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:08,176 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 11:11:08,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:11:08,177 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-14 11:11:08,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:11:08,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:08,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:08,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:08,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:08,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:08,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:08,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:08,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:08,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:08,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:08,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:08,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 7 [2021-07-14 11:11:08,507 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:11:08,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:11:08,513 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:11:08,513 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-07-14 11:11:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:08,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856346720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:08,533 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:11:08,533 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-07-14 11:11:08,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859856397] [2021-07-14 11:11:08,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 11:11:08,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:11:08,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 11:11:08,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2021-07-14 11:11:08,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:08,535 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:11:08,535 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 24 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:11:08,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:08,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:08,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:08,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:08,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:08,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:11:08,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:11:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:11:09,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:09,738 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:09,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:09,738 INFO L82 PathProgramCache]: Analyzing trace with hash -456502825, now seen corresponding path program 6 times [2021-07-14 11:11:09,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:09,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618909013] [2021-07-14 11:11:09,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:10,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:10,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618909013] [2021-07-14 11:11:10,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618909013] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:10,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086431796] [2021-07-14 11:11:10,105 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:10,133 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 11:11:10,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:11:10,134 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 11:11:10,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:11:10,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:10,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:10,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:10,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:10,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:10,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:10,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:10,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:10,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:10,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:10,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:11,009 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:11:11,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 81 treesize of output 95 [2021-07-14 11:11:11,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 11:11:11,122 INFO L628 ElimStorePlain]: treesize reduction 280, result has 11.1 percent of original size [2021-07-14 11:11:11,130 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 11:11:11,130 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:22 [2021-07-14 11:11:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:11,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086431796] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:11,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:11:11,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-07-14 11:11:11,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005987365] [2021-07-14 11:11:11,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 11:11:11,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:11:11,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 11:11:11,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 11:11:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:11,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:11:11,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.7647058823529411) internal successors, (60), 33 states have internal predecessors, (60), 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 11:11:11,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:11,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:11,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:11,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:11,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:11,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:11:11,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:11:11,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:11:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:11:12,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 11:11:13,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 11:11:13,138 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:13,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:13,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1994398761, now seen corresponding path program 7 times [2021-07-14 11:11:13,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:13,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090213143] [2021-07-14 11:11:13,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:13,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:13,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090213143] [2021-07-14 11:11:13,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090213143] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:13,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112319767] [2021-07-14 11:11:13,556 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:13,583 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 11:11:13,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:11:14,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:14,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:14,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:14,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:14,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:14,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:14,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:14,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 7 [2021-07-14 11:11:14,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:11:14,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:11:14,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:11:14,158 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-07-14 11:11:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:14,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112319767] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:14,181 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:11:14,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-07-14 11:11:14,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328768015] [2021-07-14 11:11:14,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 11:11:14,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:11:14,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 11:11:14,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 11:11:14,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:14,182 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:11:14,182 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.0606060606060606) internal successors, (68), 32 states have internal predecessors, (68), 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 11:11:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:11:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:11:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 11:11:14,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:11:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:11:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 11:11:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 11:11:16,094 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:16,094 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:16,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:16,094 INFO L82 PathProgramCache]: Analyzing trace with hash -113515305, now seen corresponding path program 8 times [2021-07-14 11:11:16,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:16,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389443364] [2021-07-14 11:11:16,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:16,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:16,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389443364] [2021-07-14 11:11:16,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389443364] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:16,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387481419] [2021-07-14 11:11:16,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:16,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:11:16,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:11:16,760 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 11:11:16,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:11:17,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:17,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:17,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:17,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:17,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:17,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:17,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:17,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 7 [2021-07-14 11:11:17,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:11:17,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:11:17,495 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:11:17,496 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:7 [2021-07-14 11:11:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:17,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387481419] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:17,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:11:17,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 36 [2021-07-14 11:11:17,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424513487] [2021-07-14 11:11:17,523 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 11:11:17,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:11:17,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 11:11:17,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 11:11:17,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:17,524 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:11:17,524 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.054054054054054) internal successors, (76), 36 states have internal predecessors, (76), 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 11:11:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:17,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:17,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:17,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:11:17,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:11:17,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 11:11:17,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 11:11:17,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:11:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:11:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:11:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 11:11:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:11:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:11:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 11:11:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:11:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 11:11:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 11:11:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 11:11:19,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:19,860 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:11:19,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:11:19,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1143936215, now seen corresponding path program 9 times [2021-07-14 11:11:19,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:11:19,861 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519818638] [2021-07-14 11:11:19,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:11:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:11:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:11:20,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:11:20,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519818638] [2021-07-14 11:11:20,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519818638] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:11:20,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492156164] [2021-07-14 11:11:20,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:11:20,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 11:11:20,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:11:20,563 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-14 11:11:20,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:11:24,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:24,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:24,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:24,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:11:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:24,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:11:25,197 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-07-14 11:11:25,198 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:11:25,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 24 disjoint index pairs (out of 120 index pairs), introduced 12 new quantified variables, introduced 74 case distinctions, treesize of input 141 treesize of output 487 [2021-07-14 11:11:26,158 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 242 [2021-07-14 11:11:26,455 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 262 [2021-07-14 11:11:26,756 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 308 [2021-07-14 11:11:27,294 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-07-14 11:11:27,615 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 271 [2021-07-14 11:11:28,053 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 174 [2021-07-14 11:11:28,200 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2021-07-14 11:11:28,394 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 242 [2021-07-14 11:11:29,106 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-07-14 11:11:29,551 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 276 [2021-07-14 11:11:30,338 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-07-14 11:11:31,168 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 412 [2021-07-14 11:11:32,465 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 503 DAG size of output: 520 [2021-07-14 11:11:34,395 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 641 DAG size of output: 665 [2021-07-14 11:11:36,680 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 673 DAG size of output: 697 [2021-07-14 11:11:37,274 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 263 [2021-07-14 11:11:37,438 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 298 [2021-07-14 11:11:37,670 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 333 [2021-07-14 11:11:37,977 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 370 [2021-07-14 11:11:38,564 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 334 [2021-07-14 11:11:39,176 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 477 [2021-07-14 11:11:39,618 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 287 [2021-07-14 11:11:40,105 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 307 [2021-07-14 11:11:40,829 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 634 [2021-07-14 11:11:41,699 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 678 [2021-07-14 11:11:43,192 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 823 DAG size of output: 833 [2021-07-14 11:11:43,943 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 207 [2021-07-14 11:11:44,105 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2021-07-14 11:11:44,497 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2021-07-14 11:11:44,898 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 347 [2021-07-14 11:11:45,774 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 411 [2021-07-14 11:11:48,369 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1073 [2021-07-14 11:11:54,211 WARN L205 SmtUtils]: Spent 5.84 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-14 11:12:00,071 WARN L205 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-14 11:12:06,076 WARN L205 SmtUtils]: Spent 6.00 s on a formula simplification. DAG size of input: 1502 DAG size of output: 1530 [2021-07-14 11:12:08,766 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 741 DAG size of output: 950 [2021-07-14 11:12:11,704 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 736 DAG size of output: 1124 [2021-07-14 11:12:13,640 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 692 DAG size of output: 835 [2021-07-14 11:12:14,399 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 695 [2021-07-14 11:12:16,337 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 617 DAG size of output: 791 [2021-07-14 11:12:16,963 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 595 [2021-07-14 11:12:18,098 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 578 DAG size of output: 808 [2021-07-14 11:12:18,796 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 446 [2021-07-14 11:12:19,551 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 558 [2021-07-14 11:12:19,732 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 222 [2021-07-14 11:12:20,149 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 315 [2021-07-14 11:12:21,113 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 275 [2021-07-14 11:12:21,321 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 412 [2021-07-14 11:12:25,099 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1769 [2021-07-14 11:12:30,724 WARN L205 SmtUtils]: Spent 5.62 s on a formula simplification. DAG size of input: 2194 DAG size of output: 2044 [2021-07-14 11:12:38,621 WARN L205 SmtUtils]: Spent 7.89 s on a formula simplification. DAG size of input: 2459 DAG size of output: 2323 [2021-07-14 11:12:39,233 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 587 [2021-07-14 11:12:39,451 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 541 [2021-07-14 11:12:39,976 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 446 [2021-07-14 11:12:40,181 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 223 [2021-07-14 11:12:40,574 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 257 [2021-07-14 11:12:40,802 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 351 [2021-07-14 11:12:41,455 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 387 [2021-07-14 11:12:42,137 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 531 [2021-07-14 11:12:42,843 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 708 [2021-07-14 11:12:43,373 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-14 11:12:43,651 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 354 [2021-07-14 11:12:44,512 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 443 [2021-07-14 11:12:44,883 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 256 [2021-07-14 11:12:45,182 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 311 [2021-07-14 11:12:45,677 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 289 [2021-07-14 11:12:46,035 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 344 [2021-07-14 11:12:47,331 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 734 DAG size of output: 696 [2021-07-14 11:12:50,036 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1148 [2021-07-14 11:12:50,215 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 306 [2021-07-14 11:12:50,704 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 348 [2021-07-14 11:12:51,398 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 473 [2021-07-14 11:12:51,791 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 690 [2021-07-14 11:12:52,427 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 784 [2021-07-14 11:12:53,273 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 357 [2021-07-14 11:12:53,833 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 288 [2021-07-14 11:12:54,060 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 381 [2021-07-14 11:12:54,574 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 311 [2021-07-14 11:12:55,058 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2021-07-14 11:12:55,902 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 792 [2021-07-14 11:13:00,936 WARN L205 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 2269 DAG size of output: 2166 [2021-07-14 11:13:08,754 WARN L205 SmtUtils]: Spent 7.73 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2468 [2021-07-14 11:13:19,042 WARN L205 SmtUtils]: Spent 10.28 s on a formula simplification. DAG size of input: 2856 DAG size of output: 2716 [2021-07-14 11:13:40,563 WARN L205 SmtUtils]: Spent 21.51 s on a formula simplification. DAG size of input: 4301 DAG size of output: 4043 [2021-07-14 11:13:41,187 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 651 [2021-07-14 11:13:42,554 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 634 DAG size of output: 902 [2021-07-14 11:13:43,769 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 478 DAG size of output: 700 [2021-07-14 11:13:44,201 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 194 [2021-07-14 11:13:45,012 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 324 [2021-07-14 11:13:45,419 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 387 [2021-07-14 11:13:45,589 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 280 [2021-07-14 11:13:46,094 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 427 [2021-07-14 11:13:48,113 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1172 DAG size of output: 1090 [2021-07-14 11:13:48,826 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-07-14 11:13:49,164 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 501 [2021-07-14 11:13:49,797 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 285 [2021-07-14 11:13:50,397 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 662 [2021-07-14 11:13:53,658 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 1655 DAG size of output: 1556 [2021-07-14 11:13:58,518 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 1952 DAG size of output: 1867 [2021-07-14 11:14:05,586 WARN L205 SmtUtils]: Spent 7.06 s on a formula simplification. DAG size of input: 2252 DAG size of output: 2166 [2021-07-14 11:14:17,112 WARN L205 SmtUtils]: Spent 11.34 s on a formula simplification. DAG size of input: 3203 DAG size of output: 2955 [2021-07-14 11:14:55,216 WARN L205 SmtUtils]: Spent 38.09 s on a formula simplification. DAG size of input: 6325 DAG size of output: 5851 [2021-07-14 11:14:55,365 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2021-07-14 11:14:57,955 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 671 DAG size of output: 978 [2021-07-14 11:15:00,507 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 668 DAG size of output: 961 [2021-07-14 11:15:03,810 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 665 DAG size of output: 974 [2021-07-14 11:15:04,231 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 285 [2021-07-14 11:15:04,426 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 193 [2021-07-14 11:15:04,858 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 337 [2021-07-14 11:15:05,323 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 416 [2021-07-14 11:15:05,792 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 453 [2021-07-14 11:15:06,518 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 563 [2021-07-14 11:15:06,652 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 200 [2021-07-14 11:15:06,951 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2021-07-14 11:15:07,867 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 316 [2021-07-14 11:15:08,711 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 563 [2021-07-14 11:15:09,204 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 394 [2021-07-14 11:15:10,605 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 639 [2021-07-14 11:15:16,644 WARN L205 SmtUtils]: Spent 6.03 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1914 [2021-07-14 11:15:26,023 WARN L205 SmtUtils]: Spent 9.37 s on a formula simplification. DAG size of input: 2013 DAG size of output: 1916 [2021-07-14 11:15:38,857 WARN L205 SmtUtils]: Spent 12.83 s on a formula simplification. DAG size of input: 2325 DAG size of output: 2231 [2021-07-14 11:15:59,766 WARN L205 SmtUtils]: Spent 20.67 s on a formula simplification. DAG size of input: 3594 DAG size of output: 3167 [2021-07-14 11:17:07,158 WARN L205 SmtUtils]: Spent 1.12 m on a formula simplification. DAG size of input: 9326 DAG size of output: 8368 [2021-07-14 11:18:27,110 WARN L205 SmtUtils]: Spent 1.33 m on a formula simplification. DAG size of input: 9585 DAG size of output: 8636 [2021-07-14 11:18:30,671 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 1088 DAG size of output: 1536 [2021-07-14 11:18:34,096 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 1085 DAG size of output: 1490 [2021-07-14 11:18:34,263 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2021-07-14 11:18:34,469 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 263 [2021-07-14 11:18:34,611 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 260 [2021-07-14 11:18:34,734 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 224 [2021-07-14 11:18:34,848 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 220 [2021-07-14 11:18:35,095 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 281 [2021-07-14 11:18:35,335 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-07-14 11:18:35,666 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 336 [2021-07-14 11:18:36,165 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 401 [2021-07-14 11:18:36,841 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 403 [2021-07-14 11:18:37,253 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 367 [2021-07-14 11:18:37,627 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 359 [2021-07-14 11:18:38,175 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 364 [2021-07-14 11:18:38,483 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 246 [2021-07-14 11:18:39,479 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 589 [2021-07-14 11:18:40,515 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 633 DAG size of output: 592 [2021-07-14 11:18:42,042 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 757 DAG size of output: 712 [2021-07-14 11:18:42,164 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 244 [2021-07-14 11:18:42,284 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 243 [2021-07-14 11:18:42,411 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 233 [2021-07-14 11:18:42,957 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 322 [2021-07-14 11:18:43,192 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 368 [2021-07-14 11:18:43,581 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 422 [2021-07-14 11:18:44,161 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 469 [2021-07-14 11:18:46,724 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1023 [2021-07-14 11:18:50,566 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1202 [2021-07-14 11:18:50,679 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 840 [2021-07-14 11:18:51,146 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 412 [2021-07-14 11:18:51,703 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 236 [2021-07-14 11:18:52,005 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 297 [2021-07-14 11:18:52,397 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 352 [2021-07-14 11:18:52,948 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 326 [2021-07-14 11:18:53,245 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-14 11:18:53,887 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 493 [2021-07-14 11:18:54,406 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 602 [2021-07-14 11:18:55,194 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 741 [2021-07-14 11:18:56,537 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 987 DAG size of output: 950 [2021-07-14 11:18:58,449 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1124 DAG size of output: 1088 [2021-07-14 11:19:01,548 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 1499 DAG size of output: 1406 [2021-07-14 11:19:02,128 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 340 [2021-07-14 11:19:02,334 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 353 [2021-07-14 11:19:02,996 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 571 [2021-07-14 11:19:03,368 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 707 [2021-07-14 11:19:03,944 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 816 DAG size of output: 802 [2021-07-14 11:19:04,484 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-07-14 11:19:05,384 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1003 [2021-07-14 11:19:05,658 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 366 [2021-07-14 11:19:05,794 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 322 [2021-07-14 11:19:05,921 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 306 [2021-07-14 11:19:06,419 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 586 [2021-07-14 11:19:06,817 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 674 [2021-07-14 11:19:07,463 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 794 [2021-07-14 11:19:07,637 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 312 [2021-07-14 11:19:08,322 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 532 [2021-07-14 11:19:08,771 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 676 [2021-07-14 11:19:09,108 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 305 [2021-07-14 11:19:09,836 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 815 [2021-07-14 11:19:10,344 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 301 [2021-07-14 11:19:10,655 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 318 [2021-07-14 11:19:11,021 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 499 [2021-07-14 11:19:11,302 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 632 [2021-07-14 11:19:11,502 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 335 [2021-07-14 11:19:11,612 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 297 [2021-07-14 11:19:11,715 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 299 [2021-07-14 11:19:12,629 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 517 [2021-07-14 11:19:12,975 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 639 [2021-07-14 11:19:13,494 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 760 [2021-07-14 11:19:14,257 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 878 [2021-07-14 11:19:15,414 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1168 [2021-07-14 11:19:17,966 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 1965 DAG size of output: 1905 [2021-07-14 11:19:23,084 WARN L205 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 2878 DAG size of output: 2788 [2021-07-14 11:19:31,867 WARN L205 SmtUtils]: Spent 8.77 s on a formula simplification. DAG size of input: 4237 DAG size of output: 3592 [2021-07-14 11:19:45,987 WARN L205 SmtUtils]: Spent 14.10 s on a formula simplification. DAG size of input: 5311 DAG size of output: 4573 [2021-07-14 11:20:07,072 WARN L205 SmtUtils]: Spent 21.06 s on a formula simplification. DAG size of input: 6289 DAG size of output: 5463 [2021-07-14 11:20:34,388 WARN L205 SmtUtils]: Spent 27.28 s on a formula simplification. DAG size of input: 6859 DAG size of output: 6051 [2021-07-14 11:21:08,824 WARN L205 SmtUtils]: Spent 34.40 s on a formula simplification. DAG size of input: 6979 DAG size of output: 6178 [2021-07-14 11:23:18,224 WARN L205 SmtUtils]: Spent 2.16 m on a formula simplification. DAG size of input: 15531 DAG size of output: 13741 [2021-07-14 11:25:27,608 WARN L205 SmtUtils]: Spent 2.16 m on a formula simplification. DAG size of input: 15531 DAG size of output: 13741 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown