/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 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 06:29:38,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 06:29:38,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 06:29:38,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 06:29:38,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 06:29:38,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 06:29:38,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 06:29:38,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 06:29:38,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 06:29:38,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 06:29:38,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 06:29:38,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 06:29:38,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 06:29:38,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 06:29:38,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 06:29:38,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 06:29:38,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 06:29:38,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 06:29:38,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 06:29:38,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 06:29:38,232 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 [2021-07-10 06:29:38,275 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 06:29:38,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 06:29:38,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 06:29:38,276 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 06:29:38,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 06:29:38,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 06:29:38,277 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 06:29:38,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 06:29:38,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 06:29:38,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 06:29:38,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 06:29:38,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 06:29:38,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 06:29:38,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 06:29:38,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 06:29:38,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 06:29:38,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 06:29:38,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 06:29:38,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 06:29:38,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 06:29:38,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 06:29:38,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 06:29:38,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 06:29:38,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:29:38,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 06:29:38,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 06:29:38,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 06:29:38,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 06:29:38,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 06:29:38,279 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 06:29:38,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 06:29:38,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 06:29:38,279 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 06:29:38,279 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 06:29:38,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 06:29:38,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 06:29:38,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 06:29:38,545 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 06:29:38,553 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 06:29:38,554 INFO L432 ainManager$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 [2021-07-10 06:29:38,554 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-07-10 06:29:38,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 06:29:38,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 06:29:38,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 06:29:38,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 06:29:38,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 06:29:38,581 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 10.07 06:29:38" (1/1) ... [2021-07-10 06:29:38,586 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 10.07 06:29:38" (1/1) ... [2021-07-10 06:29:38,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 06:29:38,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 06:29:38,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 06:29:38,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 06:29:38,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:29:38" (1/1) ... [2021-07-10 06:29:38,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:29:38" (1/1) ... [2021-07-10 06:29:38,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:29:38" (1/1) ... [2021-07-10 06:29:38,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:29:38" (1/1) ... [2021-07-10 06:29:38,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:29:38" (1/1) ... [2021-07-10 06:29:38,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:29:38" (1/1) ... [2021-07-10 06:29:38,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:29:38" (1/1) ... [2021-07-10 06:29:38,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 06:29:38,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 06:29:38,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 06:29:38,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 06:29:38,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:29:38" (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 [2021-07-10 06:29:38,677 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 06:29:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 06:29:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 06:29:38,677 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 06:29:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 06:29:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 06:29:38,677 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 06:29:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 06:29:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 06:29:38,678 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 06:29:38,789 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 06:29:38,789 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 06:29:38,790 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:29:38 BoogieIcfgContainer [2021-07-10 06:29:38,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 06:29:38,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 06:29:38,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 06:29:38,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 06:29:38,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:29:38" (1/2) ... [2021-07-10 06:29:38,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40aaf472 and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:29:38, skipping insertion in model container [2021-07-10 06:29:38,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:29:38" (2/2) ... [2021-07-10 06:29:38,795 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-07-10 06:29:38,798 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 06:29:38,799 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 06:29:38,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 06:29:38,799 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 06:29:38,817 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 06:29:38,831 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 [2021-07-10 06:29:38,923 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 06:29:38,924 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 06:29:38,924 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 06:29:38,924 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 06:29:38,924 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 06:29:38,924 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 06:29:38,924 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 06:29:38,924 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 06:29:39,028 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:39,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:39,031 INFO L82 PathProgramCache]: Analyzing trace with hash 466925783, now seen corresponding path program 1 times [2021-07-10 06:29:39,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:39,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520042481] [2021-07-10 06:29:39,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:39,149 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:39,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520042481] [2021-07-10 06:29:39,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520042481] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:29:39,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:29:39,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 06:29:39,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384163080] [2021-07-10 06:29:39,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 06:29:39,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:29:39,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 06:29:39,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 06:29:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:39,165 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:29:39,166 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) [2021-07-10 06:29:39,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:39,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:39,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 06:29:39,185 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:39,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:39,188 INFO L82 PathProgramCache]: Analyzing trace with hash 2140139737, now seen corresponding path program 1 times [2021-07-10 06:29:39,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:39,188 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149681646] [2021-07-10 06:29:39,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:39,288 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:39,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149681646] [2021-07-10 06:29:39,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149681646] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:39,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575750857] [2021-07-10 06:29:39,288 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 [2021-07-10 06:29:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:39,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 06:29:39,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:29:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:39,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575750857] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:39,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:29:39,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-07-10 06:29:39,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653085555] [2021-07-10 06:29:39,441 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 06:29:39,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:29:39,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 06:29:39,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-10 06:29:39,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:39,442 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:29:39,442 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) [2021-07-10 06:29:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:39,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:39,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:29:39,741 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:39,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:39,742 INFO L82 PathProgramCache]: Analyzing trace with hash 93675479, now seen corresponding path program 1 times [2021-07-10 06:29:39,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:39,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882394741] [2021-07-10 06:29:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:39,879 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:39,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882394741] [2021-07-10 06:29:39,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882394741] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:39,879 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664913654] [2021-07-10 06:29:39,879 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 [2021-07-10 06:29:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:39,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:29:39,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:29:40,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:40,109 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 [2021-07-10 06:29:40,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:29:40,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:29:40,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:29:40,122 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-07-10 06:29:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:40,144 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664913654] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:40,144 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:29:40,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-10 06:29:40,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530167137] [2021-07-10 06:29:40,146 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 06:29:40,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:29:40,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 06:29:40,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-10 06:29:40,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:40,147 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:29:40,147 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) [2021-07-10 06:29:40,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:40,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:40,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:40,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:29:40,393 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:40,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:40,394 INFO L82 PathProgramCache]: Analyzing trace with hash 688965337, now seen corresponding path program 2 times [2021-07-10 06:29:40,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:40,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011968123] [2021-07-10 06:29:40,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:40,446 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:40,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011968123] [2021-07-10 06:29:40,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011968123] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:40,446 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031114441] [2021-07-10 06:29:40,446 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 [2021-07-10 06:29:40,486 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:29:40,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:29:40,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:29:40,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:29:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:40,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031114441] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:40,577 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:29:40,577 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-07-10 06:29:40,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117467251] [2021-07-10 06:29:40,577 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 06:29:40,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:29:40,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 06:29:40,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-07-10 06:29:40,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:40,578 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:29:40,579 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) [2021-07-10 06:29:40,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:40,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:40,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:40,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:40,898 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:29:40,898 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:40,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:40,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1379448279, now seen corresponding path program 3 times [2021-07-10 06:29:40,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:40,899 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508714444] [2021-07-10 06:29:40,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:41,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:41,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508714444] [2021-07-10 06:29:41,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508714444] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:41,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354878201] [2021-07-10 06:29:41,006 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 [2021-07-10 06:29:41,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 06:29:41,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:29:41,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 06:29:41,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:29:41,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:41,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:41,240 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:29:41,240 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 [2021-07-10 06:29:41,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 06:29:41,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:29:41,270 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 06:29:41,271 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:27 [2021-07-10 06:29:41,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:41,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354878201] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:41,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:29:41,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-07-10 06:29:41,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032647540] [2021-07-10 06:29:41,324 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 06:29:41,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:29:41,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 06:29:41,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-07-10 06:29:41,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:41,325 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:29:41,325 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) [2021-07-10 06:29:41,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:41,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:41,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:41,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:41,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:41,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:41,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:41,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:41,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:41,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:41,647 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:29:41,648 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:41,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:41,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1386441051, now seen corresponding path program 4 times [2021-07-10 06:29:41,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:41,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380135440] [2021-07-10 06:29:41,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:41,752 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:41,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:41,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380135440] [2021-07-10 06:29:41,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380135440] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:41,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058835838] [2021-07-10 06:29:41,753 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 [2021-07-10 06:29:41,787 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:29:41,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:29:41,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 06:29:41,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:29:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:41,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058835838] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:41,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:29:41,919 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-07-10 06:29:41,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697843450] [2021-07-10 06:29:41,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 06:29:41,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:29:41,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 06:29:41,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-07-10 06:29:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:41,920 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:29:41,920 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) [2021-07-10 06:29:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:41,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:41,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:41,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 06:29:42,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:29:42,396 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:42,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:42,397 INFO L82 PathProgramCache]: Analyzing trace with hash -742756649, now seen corresponding path program 5 times [2021-07-10 06:29:42,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:42,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153153675] [2021-07-10 06:29:42,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:42,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:42,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153153675] [2021-07-10 06:29:42,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153153675] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:42,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718654826] [2021-07-10 06:29:42,744 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 [2021-07-10 06:29:42,772 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 06:29:42,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:29:42,773 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-10 06:29:42,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:29:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:43,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:43,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:43,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:43,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:43,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:43,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:43,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:43,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:43,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:43,069 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 [2021-07-10 06:29:43,070 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:29:43,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:29:43,076 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:29:43,076 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-07-10 06:29:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:43,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718654826] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:43,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:29:43,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-07-10 06:29:43,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488306417] [2021-07-10 06:29:43,097 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 06:29:43,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:29:43,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 06:29:43,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2021-07-10 06:29:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:43,097 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:29:43,098 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) [2021-07-10 06:29:43,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:43,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:43,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:43,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:43,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:43,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 06:29:43,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 06:29:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:29:44,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:29:44,304 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:44,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:44,304 INFO L82 PathProgramCache]: Analyzing trace with hash -456502825, now seen corresponding path program 6 times [2021-07-10 06:29:44,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:44,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571391516] [2021-07-10 06:29:44,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:44,768 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:44,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571391516] [2021-07-10 06:29:44,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571391516] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:44,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980581912] [2021-07-10 06:29:44,769 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 [2021-07-10 06:29:44,857 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 06:29:44,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:29:44,858 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-10 06:29:44,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:29:45,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:45,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:45,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:45,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:45,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:45,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:45,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:45,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:45,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:45,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:45,683 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:29:45,683 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 [2021-07-10 06:29:45,732 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-10 06:29:45,781 INFO L628 ElimStorePlain]: treesize reduction 280, result has 11.1 percent of original size [2021-07-10 06:29:45,789 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 06:29:45,790 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:22 [2021-07-10 06:29:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:45,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980581912] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:45,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:29:45,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-07-10 06:29:45,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592652164] [2021-07-10 06:29:45,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 06:29:45,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:29:45,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 06:29:45,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 06:29:45,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:45,854 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:29:45,854 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) [2021-07-10 06:29:45,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:45,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:45,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:45,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:45,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:45,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 06:29:45,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:29:45,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:47,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 06:29:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:29:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:29:47,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-10 06:29:47,756 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:47,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:47,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1994398761, now seen corresponding path program 7 times [2021-07-10 06:29:47,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:47,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103654299] [2021-07-10 06:29:47,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:48,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:48,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103654299] [2021-07-10 06:29:48,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103654299] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:48,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735564132] [2021-07-10 06:29:48,174 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 [2021-07-10 06:29:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:48,204 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-10 06:29:48,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:29:48,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:48,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:48,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:48,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:48,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:48,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:48,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:48,772 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 [2021-07-10 06:29:48,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:29:48,778 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:29:48,779 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:29:48,779 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-07-10 06:29:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:48,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735564132] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:48,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:29:48,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-07-10 06:29:48,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322184401] [2021-07-10 06:29:48,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 06:29:48,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:29:48,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 06:29:48,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 06:29:48,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:48,803 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:29:48,803 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) [2021-07-10 06:29:48,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:48,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:48,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:48,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:48,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:48,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 06:29:48,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:29:48,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:29:48,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 06:29:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:29:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:29:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:29:50,626 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:29:50,626 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:50,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:50,626 INFO L82 PathProgramCache]: Analyzing trace with hash -113515305, now seen corresponding path program 8 times [2021-07-10 06:29:50,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:50,627 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82593857] [2021-07-10 06:29:50,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:51,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:51,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82593857] [2021-07-10 06:29:51,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82593857] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:51,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968702572] [2021-07-10 06:29:51,222 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 [2021-07-10 06:29:51,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:29:51,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:29:51,252 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-10 06:29:51,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:29:51,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:51,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:51,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:51,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:51,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:51,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:51,940 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 [2021-07-10 06:29:51,941 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:29:51,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:29:51,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:29:51,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:7 [2021-07-10 06:29:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:51,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968702572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:51,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:29:51,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 36 [2021-07-10 06:29:51,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918949840] [2021-07-10 06:29:51,972 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 06:29:51,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:29:51,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 06:29:51,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 06:29:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:51,973 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:29:51,973 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) [2021-07-10 06:29:51,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 06:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:29:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:29:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:29:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:29:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 06:29:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:29:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:29:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 06:29:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:29:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:29:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:29:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:29:54,182 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:29:54,182 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:29:54,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:29:54,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1143936215, now seen corresponding path program 9 times [2021-07-10 06:29:54,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:29:54,183 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992053984] [2021-07-10 06:29:54,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:29:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:29:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:29:54,788 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:29:54,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992053984] [2021-07-10 06:29:54,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992053984] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:29:54,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752401289] [2021-07-10 06:29:54,788 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 [2021-07-10 06:29:54,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 06:29:54,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:29:54,825 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-10 06:29:54,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:29:58,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:58,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:58,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:58,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:29:58,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:58,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:29:59,159 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-07-10 06:29:59,159 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:29:59,160 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 [2021-07-10 06:30:00,046 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 242 [2021-07-10 06:30:00,360 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 262 [2021-07-10 06:30:00,629 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 308 [2021-07-10 06:30:01,099 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-07-10 06:30:01,449 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 271 [2021-07-10 06:30:01,994 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2021-07-10 06:30:02,185 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 242 [2021-07-10 06:30:02,885 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-07-10 06:30:03,284 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 276 [2021-07-10 06:30:04,037 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-07-10 06:30:04,848 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 412 [2021-07-10 06:30:06,121 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 503 DAG size of output: 520 [2021-07-10 06:30:07,999 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 641 DAG size of output: 665 [2021-07-10 06:30:10,245 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 673 DAG size of output: 697 [2021-07-10 06:30:11,020 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 298 [2021-07-10 06:30:11,248 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 333 [2021-07-10 06:30:11,540 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 370 [2021-07-10 06:30:12,120 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 334 [2021-07-10 06:30:12,702 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 477 [2021-07-10 06:30:13,133 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 287 [2021-07-10 06:30:13,598 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 307 [2021-07-10 06:30:14,243 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 634 [2021-07-10 06:30:15,086 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 678 [2021-07-10 06:30:16,536 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 823 DAG size of output: 833 [2021-07-10 06:30:17,262 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 207 [2021-07-10 06:30:17,405 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2021-07-10 06:30:17,762 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2021-07-10 06:30:18,144 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 347 [2021-07-10 06:30:18,973 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 411 [2021-07-10 06:30:21,498 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1073 [2021-07-10 06:30:27,214 WARN L205 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-10 06:30:32,874 WARN L205 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-10 06:30:38,670 WARN L205 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 1502 DAG size of output: 1530 [2021-07-10 06:30:41,263 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 741 DAG size of output: 950 [2021-07-10 06:30:44,071 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 736 DAG size of output: 1124 [2021-07-10 06:30:45,938 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 692 DAG size of output: 835 [2021-07-10 06:30:46,677 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 695 [2021-07-10 06:30:48,530 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 617 DAG size of output: 791 [2021-07-10 06:30:49,102 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 595 [2021-07-10 06:30:50,190 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 578 DAG size of output: 808 [2021-07-10 06:30:50,859 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 446 [2021-07-10 06:30:51,587 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 558 [2021-07-10 06:30:51,752 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 222 [2021-07-10 06:30:52,148 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 315 [2021-07-10 06:30:53,605 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 412 [2021-07-10 06:30:57,237 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1769 [2021-07-10 06:31:02,640 WARN L205 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 2194 DAG size of output: 2044 [2021-07-10 06:31:10,233 WARN L205 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 2459 DAG size of output: 2323 [2021-07-10 06:31:10,839 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 587 [2021-07-10 06:31:11,050 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 541 [2021-07-10 06:31:11,566 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 446 [2021-07-10 06:31:11,765 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 223 [2021-07-10 06:31:12,136 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 257 [2021-07-10 06:31:12,356 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 351 [2021-07-10 06:31:12,977 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 387 [2021-07-10 06:31:13,695 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 531 [2021-07-10 06:31:14,358 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 708 [2021-07-10 06:31:14,864 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-10 06:31:15,115 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 354 [2021-07-10 06:31:15,910 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 443 [2021-07-10 06:31:16,546 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 311 [2021-07-10 06:31:16,976 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 289 [2021-07-10 06:31:17,311 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 344 [2021-07-10 06:31:18,554 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 734 DAG size of output: 696 [2021-07-10 06:31:20,963 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1148 [2021-07-10 06:31:21,137 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 306 [2021-07-10 06:31:21,594 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 348 [2021-07-10 06:31:22,265 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 473 [2021-07-10 06:31:22,653 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 690 [2021-07-10 06:31:23,265 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 784 [2021-07-10 06:31:24,062 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 357 [2021-07-10 06:31:24,617 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 288 [2021-07-10 06:31:24,833 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 381 [2021-07-10 06:31:25,342 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 311 [2021-07-10 06:31:25,816 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2021-07-10 06:31:26,632 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 792 [2021-07-10 06:31:31,577 WARN L205 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 2269 DAG size of output: 2166 [2021-07-10 06:31:39,077 WARN L205 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2468 [2021-07-10 06:31:48,920 WARN L205 SmtUtils]: Spent 9.83 s on a formula simplification. DAG size of input: 2856 DAG size of output: 2716 [2021-07-10 06:32:09,160 WARN L205 SmtUtils]: Spent 20.23 s on a formula simplification. DAG size of input: 4301 DAG size of output: 4043 [2021-07-10 06:32:09,751 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 651 [2021-07-10 06:32:11,066 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 634 DAG size of output: 902 [2021-07-10 06:32:12,223 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 478 DAG size of output: 700 [2021-07-10 06:32:12,626 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 194 [2021-07-10 06:32:13,400 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 324 [2021-07-10 06:32:13,784 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 387 [2021-07-10 06:32:13,944 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 280 [2021-07-10 06:32:14,429 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 427 [2021-07-10 06:32:16,371 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1172 DAG size of output: 1090 [2021-07-10 06:32:17,062 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-07-10 06:32:17,375 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 501 [2021-07-10 06:32:17,969 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 285 [2021-07-10 06:32:18,543 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 662 [2021-07-10 06:32:21,676 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 1655 DAG size of output: 1556 [2021-07-10 06:32:26,340 WARN L205 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 1952 DAG size of output: 1867 [2021-07-10 06:32:33,094 WARN L205 SmtUtils]: Spent 6.74 s on a formula simplification. DAG size of input: 2252 DAG size of output: 2166 [2021-07-10 06:32:44,175 WARN L205 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 3203 DAG size of output: 2955 [2021-07-10 06:33:20,755 WARN L205 SmtUtils]: Spent 36.56 s on a formula simplification. DAG size of input: 6325 DAG size of output: 5851 [2021-07-10 06:33:20,902 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2021-07-10 06:33:23,421 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 671 DAG size of output: 978 [2021-07-10 06:33:25,876 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 668 DAG size of output: 961 [2021-07-10 06:33:28,974 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 665 DAG size of output: 974 [2021-07-10 06:33:29,378 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 285 [2021-07-10 06:33:29,545 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 193 [2021-07-10 06:33:29,898 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 337 [2021-07-10 06:33:30,303 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 416 [2021-07-10 06:33:30,696 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 453 [2021-07-10 06:33:31,352 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 563 [2021-07-10 06:33:31,474 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 200 [2021-07-10 06:33:31,771 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2021-07-10 06:33:32,136 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 181 [2021-07-10 06:33:32,628 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 316 [2021-07-10 06:33:33,425 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 563 [2021-07-10 06:33:33,891 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 394 [2021-07-10 06:33:35,230 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 639 [2021-07-10 06:33:41,065 WARN L205 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1914 [2021-07-10 06:33:50,099 WARN L205 SmtUtils]: Spent 9.02 s on a formula simplification. DAG size of input: 2013 DAG size of output: 1916 [2021-07-10 06:34:02,469 WARN L205 SmtUtils]: Spent 12.36 s on a formula simplification. DAG size of input: 2325 DAG size of output: 2231 [2021-07-10 06:34:22,764 WARN L205 SmtUtils]: Spent 20.04 s on a formula simplification. DAG size of input: 3594 DAG size of output: 3167 [2021-07-10 06:35:27,561 WARN L205 SmtUtils]: Spent 1.08 m on a formula simplification. DAG size of input: 9326 DAG size of output: 8368 [2021-07-10 06:36:44,261 WARN L205 SmtUtils]: Spent 1.28 m on a formula simplification. DAG size of input: 9585 DAG size of output: 8636 [2021-07-10 06:36:47,657 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 1088 DAG size of output: 1536 [2021-07-10 06:36:50,902 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 1085 DAG size of output: 1490 [2021-07-10 06:36:51,077 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2021-07-10 06:36:51,257 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 263 [2021-07-10 06:36:51,391 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 260 [2021-07-10 06:36:51,615 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 220 [2021-07-10 06:36:51,850 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 281 [2021-07-10 06:36:52,067 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-07-10 06:36:52,390 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 336 [2021-07-10 06:36:52,862 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 401 [2021-07-10 06:36:53,491 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 403 [2021-07-10 06:36:53,880 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 367 [2021-07-10 06:36:54,236 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 359 [2021-07-10 06:36:54,758 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 364 [2021-07-10 06:36:55,997 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 589 [2021-07-10 06:36:56,977 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 592 [2021-07-10 06:36:58,427 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 757 DAG size of output: 712 [2021-07-10 06:36:58,542 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 244 [2021-07-10 06:36:58,654 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 243 [2021-07-10 06:36:58,763 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 233 [2021-07-10 06:36:59,278 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 322 [2021-07-10 06:36:59,508 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 368 [2021-07-10 06:36:59,863 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 422 [2021-07-10 06:37:00,408 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 469 [2021-07-10 06:37:02,790 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1023 [2021-07-10 06:37:06,454 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1202 [2021-07-10 06:37:07,007 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 412 [2021-07-10 06:37:07,542 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 236 [2021-07-10 06:37:07,811 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 297 [2021-07-10 06:37:08,197 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 352 [2021-07-10 06:37:08,528 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 302 [2021-07-10 06:37:08,708 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 326 [2021-07-10 06:37:09,001 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-10 06:37:09,595 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 493 [2021-07-10 06:37:10,088 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 602 [2021-07-10 06:37:10,861 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 741 [2021-07-10 06:37:12,163 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 987 DAG size of output: 950 [2021-07-10 06:37:14,030 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1124 DAG size of output: 1088 [2021-07-10 06:37:17,049 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 1499 DAG size of output: 1406 [2021-07-10 06:37:17,537 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 340 [2021-07-10 06:37:17,757 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 353 [2021-07-10 06:37:18,405 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 571 [2021-07-10 06:37:18,764 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 707 [2021-07-10 06:37:19,304 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 816 DAG size of output: 802 [2021-07-10 06:37:19,792 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-07-10 06:37:20,671 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1003 [2021-07-10 06:37:20,938 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 366 [2021-07-10 06:37:21,069 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 322 [2021-07-10 06:37:21,191 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 306 [2021-07-10 06:37:21,680 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 586 [2021-07-10 06:37:22,065 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 674 [2021-07-10 06:37:22,691 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 794 [2021-07-10 06:37:22,848 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 312 [2021-07-10 06:37:23,508 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 532 [2021-07-10 06:37:23,950 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 676 [2021-07-10 06:37:24,297 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 305 [2021-07-10 06:37:24,991 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 815 [2021-07-10 06:37:25,379 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 273 [2021-07-10 06:37:25,495 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 301 [2021-07-10 06:37:25,792 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 318 [2021-07-10 06:37:26,152 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 499 [2021-07-10 06:37:26,405 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 632 [2021-07-10 06:37:26,621 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 335 [2021-07-10 06:37:26,727 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 297 [2021-07-10 06:37:27,718 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 517 [2021-07-10 06:37:28,041 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 639 [2021-07-10 06:37:28,547 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 760 [2021-07-10 06:37:29,305 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 878 [2021-07-10 06:37:30,424 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1168 [2021-07-10 06:37:32,894 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1965 DAG size of output: 1905 [2021-07-10 06:37:37,818 WARN L205 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 2878 DAG size of output: 2788 [2021-07-10 06:37:46,297 WARN L205 SmtUtils]: Spent 8.46 s on a formula simplification. DAG size of input: 4237 DAG size of output: 3592 [2021-07-10 06:37:59,998 WARN L205 SmtUtils]: Spent 13.68 s on a formula simplification. DAG size of input: 5311 DAG size of output: 4573 [2021-07-10 06:38:20,435 WARN L205 SmtUtils]: Spent 20.41 s on a formula simplification. DAG size of input: 6289 DAG size of output: 5463 [2021-07-10 06:38:46,919 WARN L205 SmtUtils]: Spent 26.45 s on a formula simplification. DAG size of input: 6859 DAG size of output: 6051 [2021-07-10 06:39:20,207 WARN L205 SmtUtils]: Spent 33.26 s on a formula simplification. DAG size of input: 6979 DAG size of output: 6178 [2021-07-10 06:41:26,396 WARN L205 SmtUtils]: Spent 2.10 m on a formula simplification. DAG size of input: 15531 DAG size of output: 13741 [2021-07-10 06:43:32,336 WARN L205 SmtUtils]: Spent 2.10 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