/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 11:46:26,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 11:46:26,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 11:46:26,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 11:46:26,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 11:46:26,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 11:46:26,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 11:46:26,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-10 11:46:26,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 11:46:26,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 11:46:26,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 11:46:26,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 11:46:26,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 11:46:26,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 11:46:26,847 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 11:46:26,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 11:46:26,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 11:46:26,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 11:46:26,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 11:46:26,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 11:46:26,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 11:46:26,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 11:46:26,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 11:46:26,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 11:46:26,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 11:46:26,849 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 11:46:26,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 11:46:26,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 11:46:26,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 11:46:26,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 11:46:26,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 11:46:26,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 11:46:26,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 11:46:26,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 11:46:26,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 11:46:26,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 11:46:26,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 11:46:26,850 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 11:46:26,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 11:46:26,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 11:46:26,851 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 11:46:26,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 11:46:27,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 11:46:27,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 11:46:27,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 11:46:27,151 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 11:46:27,153 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 11:46:27,154 INFO L432 ainManager$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 11:46:27,154 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 11:46:27,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 11:46:27,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 11:46:27,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 11:46:27,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 11:46:27,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 11:46:27,185 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 11:46:27" (1/1) ... [2021-07-10 11:46:27,191 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 11:46:27" (1/1) ... [2021-07-10 11:46:27,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 11:46:27,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 11:46:27,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 11:46:27,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 11:46:27,203 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 11:46:27" (1/1) ... [2021-07-10 11:46:27,203 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 11:46:27" (1/1) ... [2021-07-10 11:46:27,203 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 11:46:27" (1/1) ... [2021-07-10 11:46:27,203 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 11:46:27" (1/1) ... [2021-07-10 11:46:27,205 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 11:46:27" (1/1) ... [2021-07-10 11:46:27,206 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 11:46:27" (1/1) ... [2021-07-10 11:46:27,207 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 11:46:27" (1/1) ... [2021-07-10 11:46:27,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 11:46:27,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 11:46:27,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 11:46:27,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 11:46:27,209 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 11:46:27" (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 11:46:27,260 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 11:46:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 11:46:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 11:46:27,261 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 11:46:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 11:46:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 11:46:27,261 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 11:46:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 11:46:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 11:46:27,262 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 11:46:27,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 11:46:27,385 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 11:46:27,386 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:46:27 BoogieIcfgContainer [2021-07-10 11:46:27,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 11:46:27,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 11:46:27,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 11:46:27,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 11:46:27,390 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 11:46:27" (1/2) ... [2021-07-10 11:46:27,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73073545 and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 11:46:27, skipping insertion in model container [2021-07-10 11:46:27,390 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 11:46:27" (2/2) ... [2021-07-10 11:46:27,391 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-07-10 11:46:27,395 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 11:46:27,395 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 11:46:27,395 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 11:46:27,396 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 11:46:27,416 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 11:46:27,431 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 11:46:27,504 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 11:46:27,505 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 11:46:27,505 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 11:46:27,505 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 11:46:27,505 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 11:46:27,505 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 11:46:27,505 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 11:46:27,505 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 11:46:27,637 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:27,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:27,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1255291927, now seen corresponding path program 1 times [2021-07-10 11:46:27,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:27,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309295235] [2021-07-10 11:46:27,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:27,824 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 11:46:27,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:27,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309295235] [2021-07-10 11:46:27,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309295235] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:46:27,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:46:27,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 11:46:27,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049664230] [2021-07-10 11:46:27,828 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 11:46:27,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:46:27,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 11:46:27,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 11:46:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:27,843 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:46:27,847 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 11:46:27,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:27,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 11:46:27,870 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:27,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:27,870 INFO L82 PathProgramCache]: Analyzing trace with hash 417922027, now seen corresponding path program 1 times [2021-07-10 11:46:27,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:27,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238023995] [2021-07-10 11:46:27,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:27,989 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 11:46:27,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:27,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238023995] [2021-07-10 11:46:27,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238023995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:27,991 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623247111] [2021-07-10 11:46:27,991 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 11:46:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:28,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 11:46:28,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:46:28,115 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 11:46:28,116 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623247111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:28,116 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:46:28,116 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-07-10 11:46:28,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716768404] [2021-07-10 11:46:28,117 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 11:46:28,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:46:28,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 11:46:28,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-10 11:46:28,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:28,118 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:46:28,118 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:46:28,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:28,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:28,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:28,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:46:28,421 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:28,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:28,422 INFO L82 PathProgramCache]: Analyzing trace with hash -644197395, now seen corresponding path program 1 times [2021-07-10 11:46:28,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:28,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828355160] [2021-07-10 11:46:28,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:28,573 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 11:46:28,573 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:28,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828355160] [2021-07-10 11:46:28,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828355160] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:28,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763256584] [2021-07-10 11:46:28,574 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 11:46:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:28,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 11:46:28,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:46:28,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:28,824 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 11:46:28,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:46:28,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:46:28,833 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 11:46:28,833 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-07-10 11:46:28,851 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 11:46:28,851 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763256584] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:28,851 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:46:28,851 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-10 11:46:28,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708690510] [2021-07-10 11:46:28,852 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 11:46:28,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:46:28,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 11:46:28,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-10 11:46:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:28,853 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:46:28,853 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:46:28,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:28,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:28,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:29,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:46:29,102 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:29,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:29,103 INFO L82 PathProgramCache]: Analyzing trace with hash -48907537, now seen corresponding path program 2 times [2021-07-10 11:46:29,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:29,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457840106] [2021-07-10 11:46:29,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:29,161 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 11:46:29,161 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:29,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457840106] [2021-07-10 11:46:29,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457840106] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:29,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403477695] [2021-07-10 11:46:29,161 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 11:46:29,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:46:29,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:46:29,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 11:46:29,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:46:29,327 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 11:46:29,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403477695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:29,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:46:29,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-07-10 11:46:29,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255318301] [2021-07-10 11:46:29,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 11:46:29,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:46:29,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 11:46:29,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-07-10 11:46:29,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:29,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:46:29,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:46:29,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:29,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:29,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:29,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:29,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:29,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:29,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:29,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:29,683 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:46:29,684 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:29,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:29,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1704157681, now seen corresponding path program 3 times [2021-07-10 11:46:29,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:29,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276552279] [2021-07-10 11:46:29,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:29,782 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 11:46:29,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:29,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276552279] [2021-07-10 11:46:29,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276552279] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:29,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630478628] [2021-07-10 11:46:29,783 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 11:46:29,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 11:46:29,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:46:29,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 11:46:29,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:46:30,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:30,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:30,053 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:46:30,053 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 11:46:30,062 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 11:46:30,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:46:30,083 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 11:46:30,083 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:27 [2021-07-10 11:46:30,136 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 11:46:30,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630478628] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:30,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:46:30,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-07-10 11:46:30,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276707142] [2021-07-10 11:46:30,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 11:46:30,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:46:30,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 11:46:30,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-07-10 11:46:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:30,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:46:30,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 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 11:46:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:30,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:30,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:30,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:30,493 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:46:30,493 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:30,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:30,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1711150453, now seen corresponding path program 4 times [2021-07-10 11:46:30,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:30,494 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555151520] [2021-07-10 11:46:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:30,587 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 11:46:30,587 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:30,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555151520] [2021-07-10 11:46:30,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555151520] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:30,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814926509] [2021-07-10 11:46:30,587 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 11:46:30,611 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:46:30,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:46:30,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 11:46:30,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:46:30,738 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 11:46:30,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814926509] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:30,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:46:30,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-07-10 11:46:30,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354972024] [2021-07-10 11:46:30,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 11:46:30,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:46:30,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 11:46:30,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-07-10 11:46:30,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:30,740 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:46:30,740 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:46:30,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:30,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:30,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:30,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:30,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:30,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:31,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:46:31,226 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:46:31,227 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:31,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:31,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1439627257, now seen corresponding path program 5 times [2021-07-10 11:46:31,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:31,227 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852325177] [2021-07-10 11:46:31,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:31,590 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 11:46:31,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:31,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852325177] [2021-07-10 11:46:31,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852325177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:31,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189407983] [2021-07-10 11:46:31,590 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 11:46:31,683 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 11:46:31,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:46:31,684 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-10 11:46:31,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:46:32,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:32,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:32,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:32,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:32,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:32,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:32,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:32,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:32,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:32,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:32,057 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 11:46:32,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:46:32,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:46:32,064 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 11:46:32,064 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-07-10 11:46:32,083 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 11:46:32,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189407983] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:32,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:46:32,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-07-10 11:46:32,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115563850] [2021-07-10 11:46:32,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 11:46:32,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:46:32,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 11:46:32,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2021-07-10 11:46:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:32,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:46:32,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.12) internal successors, (53), 24 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 11:46:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:32,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:32,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:32,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:32,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:32,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:46:32,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:33,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:33,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:33,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:33,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:33,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:33,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:46:33,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:46:33,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:46:33,517 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:33,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:33,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1621327869, now seen corresponding path program 6 times [2021-07-10 11:46:33,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:33,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2860782] [2021-07-10 11:46:33,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:33,857 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 11:46:33,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:33,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2860782] [2021-07-10 11:46:33,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2860782] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:33,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466750029] [2021-07-10 11:46:33,857 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 11:46:33,940 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 11:46:33,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:46:33,941 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-10 11:46:33,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:46:34,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:34,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:34,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:34,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:34,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:34,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:34,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:34,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:34,800 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:46:34,800 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 11:46:34,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-10 11:46:34,894 INFO L628 ElimStorePlain]: treesize reduction 280, result has 11.1 percent of original size [2021-07-10 11:46:34,900 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 11:46:34,900 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:22 [2021-07-10 11:46:34,963 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 11:46:34,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466750029] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:34,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:46:34,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-07-10 11:46:34,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681513803] [2021-07-10 11:46:34,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 11:46:34,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:46:34,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 11:46:34,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 11:46:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:34,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:46:34,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 33 states have internal predecessors, (61), 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 11:46:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:46:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:46:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:46:36,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:46:36,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:46:37,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-10 11:46:37,175 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:37,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:37,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1607956991, now seen corresponding path program 7 times [2021-07-10 11:46:37,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:37,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662158518] [2021-07-10 11:46:37,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:37,576 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 11:46:37,576 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:37,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662158518] [2021-07-10 11:46:37,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662158518] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:37,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542787077] [2021-07-10 11:46:37,576 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 11:46:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:37,637 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-10 11:46:37,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:46:38,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:38,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:38,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:38,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:38,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:38,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:38,226 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 11:46:38,226 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:46:38,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:46:38,233 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 11:46:38,233 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-07-10 11:46:38,257 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 11:46:38,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542787077] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:38,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:46:38,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-07-10 11:46:38,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417978852] [2021-07-10 11:46:38,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 11:46:38,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:46:38,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 11:46:38,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 11:46:38,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:38,259 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:46:38,259 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.090909090909091) internal successors, (69), 32 states have internal predecessors, (69), 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 11:46:38,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:38,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:38,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:38,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:38,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:38,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:46:38,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:46:38,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:46:38,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:39,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:39,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:46:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:46:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:46:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:46:40,144 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:46:40,145 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:40,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:40,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1654191611, now seen corresponding path program 8 times [2021-07-10 11:46:40,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:40,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179549041] [2021-07-10 11:46:40,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:40,737 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 11:46:40,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:40,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179549041] [2021-07-10 11:46:40,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179549041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:40,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602497519] [2021-07-10 11:46:40,737 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 11:46:40,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:46:40,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:46:40,781 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-10 11:46:40,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:46:41,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:41,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:41,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:41,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:41,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:41,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:41,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:41,565 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 11:46:41,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:46:41,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:46:41,573 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 11:46:41,573 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:7 [2021-07-10 11:46:41,601 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 11:46:41,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602497519] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:41,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:46:41,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 36 [2021-07-10 11:46:41,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132560814] [2021-07-10 11:46:41,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 11:46:41,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:46:41,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 11:46:41,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 11:46:41,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:41,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:46:41,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.081081081081081) internal successors, (77), 36 states have internal predecessors, (77), 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 11:46:41,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:41,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:41,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:41,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:41,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:41,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:46:41,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:46:41,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:46:41,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:46:41,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:46:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:46:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 11:46:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:46:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:46:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:46:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 11:46:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 11:46:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:46:43,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 11:46:43,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 11:46:44,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:46:44,037 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:46:44,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:46:44,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1226306551, now seen corresponding path program 9 times [2021-07-10 11:46:44,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:46:44,048 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462396428] [2021-07-10 11:46:44,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:46:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:46:44,938 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 11:46:44,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:46:44,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462396428] [2021-07-10 11:46:44,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462396428] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:46:44,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089660690] [2021-07-10 11:46:44,938 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 11:46:44,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 11:46:44,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:46:44,973 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-10 11:46:44,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:46:48,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:48,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:48,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:48,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:46:48,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:48,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:46:49,060 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-07-10 11:46:49,061 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:46:49,061 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 11:46:50,015 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 242 [2021-07-10 11:46:50,324 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 262 [2021-07-10 11:46:50,655 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 308 [2021-07-10 11:46:51,039 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 215 [2021-07-10 11:46:51,159 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-07-10 11:46:51,494 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 271 [2021-07-10 11:46:52,160 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2021-07-10 11:46:52,343 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 242 [2021-07-10 11:46:53,017 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-07-10 11:46:53,474 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 276 [2021-07-10 11:46:54,264 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-07-10 11:46:55,118 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 412 [2021-07-10 11:46:56,413 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 503 DAG size of output: 520 [2021-07-10 11:46:58,306 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 641 DAG size of output: 665 [2021-07-10 11:47:00,558 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 673 DAG size of output: 697 [2021-07-10 11:47:01,299 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 298 [2021-07-10 11:47:01,524 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 333 [2021-07-10 11:47:01,816 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 370 [2021-07-10 11:47:02,241 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 297 [2021-07-10 11:47:02,384 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 334 [2021-07-10 11:47:02,961 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 477 [2021-07-10 11:47:03,397 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 287 [2021-07-10 11:47:03,873 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 307 [2021-07-10 11:47:04,545 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 634 [2021-07-10 11:47:05,416 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 678 [2021-07-10 11:47:06,927 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 823 DAG size of output: 833 [2021-07-10 11:47:07,679 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 207 [2021-07-10 11:47:07,864 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2021-07-10 11:47:08,241 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2021-07-10 11:47:08,638 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 347 [2021-07-10 11:47:09,479 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 411 [2021-07-10 11:47:12,025 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1073 [2021-07-10 11:47:17,752 WARN L205 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-10 11:47:23,631 WARN L205 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-10 11:47:29,546 WARN L205 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 1502 DAG size of output: 1530 [2021-07-10 11:47:32,159 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 741 DAG size of output: 950 [2021-07-10 11:47:35,004 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 736 DAG size of output: 1124 [2021-07-10 11:47:37,008 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 692 DAG size of output: 835 [2021-07-10 11:47:37,792 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 695 [2021-07-10 11:47:39,793 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 617 DAG size of output: 791 [2021-07-10 11:47:40,458 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 595 [2021-07-10 11:47:41,639 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 578 DAG size of output: 808 [2021-07-10 11:47:42,302 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 446 [2021-07-10 11:47:43,068 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 558 [2021-07-10 11:47:43,244 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 222 [2021-07-10 11:47:43,665 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 315 [2021-07-10 11:47:44,629 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 275 [2021-07-10 11:47:44,833 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 412 [2021-07-10 11:47:48,549 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1769 [2021-07-10 11:47:54,256 WARN L205 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 2194 DAG size of output: 2044 [2021-07-10 11:48:02,177 WARN L205 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 2459 DAG size of output: 2323 [2021-07-10 11:48:02,802 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 587 [2021-07-10 11:48:03,012 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 541 [2021-07-10 11:48:03,526 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 446 [2021-07-10 11:48:03,721 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 223 [2021-07-10 11:48:04,102 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 257 [2021-07-10 11:48:04,365 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 351 [2021-07-10 11:48:04,855 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 282 [2021-07-10 11:48:05,015 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 387 [2021-07-10 11:48:05,356 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2021-07-10 11:48:05,719 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 531 [2021-07-10 11:48:06,434 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 708 [2021-07-10 11:48:07,001 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-10 11:48:07,275 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 354 [2021-07-10 11:48:08,098 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 443 [2021-07-10 11:48:08,227 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 247 [2021-07-10 11:48:08,475 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 256 [2021-07-10 11:48:08,775 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 311 [2021-07-10 11:48:09,585 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 344 [2021-07-10 11:48:10,840 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 734 DAG size of output: 696 [2021-07-10 11:48:13,285 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1148 [2021-07-10 11:48:13,477 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 306 [2021-07-10 11:48:13,941 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 348 [2021-07-10 11:48:14,645 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 473 [2021-07-10 11:48:15,028 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 690 [2021-07-10 11:48:15,617 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 784 [2021-07-10 11:48:16,411 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 357 [2021-07-10 11:48:16,942 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 288 [2021-07-10 11:48:17,149 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 381 [2021-07-10 11:48:17,636 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 311 [2021-07-10 11:48:18,098 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2021-07-10 11:48:18,911 WARN L205 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 792 [2021-07-10 11:48:23,972 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 2269 DAG size of output: 2166 [2021-07-10 11:48:31,654 WARN L205 SmtUtils]: Spent 7.59 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2468 [2021-07-10 11:48:41,930 WARN L205 SmtUtils]: Spent 10.26 s on a formula simplification. DAG size of input: 2856 DAG size of output: 2716 [2021-07-10 11:49:02,702 WARN L205 SmtUtils]: Spent 20.76 s on a formula simplification. DAG size of input: 4301 DAG size of output: 4043 [2021-07-10 11:49:03,295 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 651 [2021-07-10 11:49:04,645 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 634 DAG size of output: 902 [2021-07-10 11:49:05,829 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 478 DAG size of output: 700 [2021-07-10 11:49:06,325 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 194 [2021-07-10 11:49:07,134 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 324 [2021-07-10 11:49:07,519 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 387 [2021-07-10 11:49:07,689 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 280 [2021-07-10 11:49:08,244 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 427 [2021-07-10 11:49:10,245 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1172 DAG size of output: 1090 [2021-07-10 11:49:10,935 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-07-10 11:49:11,276 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 501 [2021-07-10 11:49:11,915 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 285 [2021-07-10 11:49:12,506 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 662 [2021-07-10 11:49:15,694 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 1655 DAG size of output: 1556 [2021-07-10 11:49:20,743 WARN L205 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 1952 DAG size of output: 1867 [2021-07-10 11:49:27,862 WARN L205 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 2252 DAG size of output: 2166 [2021-07-10 11:49:39,158 WARN L205 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 3203 DAG size of output: 2955 [2021-07-10 11:50:18,566 WARN L205 SmtUtils]: Spent 39.39 s on a formula simplification. DAG size of input: 6325 DAG size of output: 5851 [2021-07-10 11:50:18,731 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2021-07-10 11:50:21,485 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 671 DAG size of output: 978 [2021-07-10 11:50:24,389 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 668 DAG size of output: 961 [2021-07-10 11:50:27,950 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 665 DAG size of output: 974 [2021-07-10 11:50:28,452 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 285 [2021-07-10 11:50:28,683 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 193 [2021-07-10 11:50:29,087 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 337 [2021-07-10 11:50:29,543 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 416 [2021-07-10 11:50:30,079 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 453 [2021-07-10 11:50:30,741 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 563 [2021-07-10 11:50:30,903 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 200 [2021-07-10 11:50:31,202 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2021-07-10 11:50:32,071 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 316 [2021-07-10 11:50:33,034 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 563 [2021-07-10 11:50:33,686 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 394 [2021-07-10 11:50:34,281 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 220 [2021-07-10 11:50:35,636 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 639 [2021-07-10 11:50:42,272 WARN L205 SmtUtils]: Spent 6.63 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1914 [2021-07-10 11:50:51,813 WARN L205 SmtUtils]: Spent 9.53 s on a formula simplification. DAG size of input: 2013 DAG size of output: 1916 [2021-07-10 11:51:04,314 WARN L205 SmtUtils]: Spent 12.49 s on a formula simplification. DAG size of input: 2325 DAG size of output: 2231 [2021-07-10 11:51:24,868 WARN L205 SmtUtils]: Spent 20.32 s on a formula simplification. DAG size of input: 3594 DAG size of output: 3167 [2021-07-10 11:52:30,858 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 9326 DAG size of output: 8368 [2021-07-10 11:53:49,166 WARN L205 SmtUtils]: Spent 1.30 m on a formula simplification. DAG size of input: 9585 DAG size of output: 8636 [2021-07-10 11:53:52,796 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 1088 DAG size of output: 1536 [2021-07-10 11:53:56,259 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 1085 DAG size of output: 1490 [2021-07-10 11:53:56,448 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2021-07-10 11:53:56,627 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 263 [2021-07-10 11:53:56,764 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 260 [2021-07-10 11:53:56,995 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 220 [2021-07-10 11:53:57,228 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 281 [2021-07-10 11:53:57,463 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-07-10 11:53:57,797 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 336 [2021-07-10 11:53:58,281 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 401 [2021-07-10 11:53:58,930 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 403 [2021-07-10 11:53:59,328 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 367 [2021-07-10 11:53:59,691 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 359 [2021-07-10 11:54:00,224 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 364 [2021-07-10 11:54:01,488 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 589 [2021-07-10 11:54:02,478 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 592 [2021-07-10 11:54:03,944 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 757 DAG size of output: 712 [2021-07-10 11:54:04,061 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 244 [2021-07-10 11:54:04,175 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 243 [2021-07-10 11:54:04,285 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 233 [2021-07-10 11:54:04,856 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 322 [2021-07-10 11:54:05,081 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 368 [2021-07-10 11:54:05,472 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 422 [2021-07-10 11:54:06,046 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 469 [2021-07-10 11:54:08,574 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1023 [2021-07-10 11:54:12,340 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1202 [2021-07-10 11:54:12,450 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 840 [2021-07-10 11:54:12,897 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 412 [2021-07-10 11:54:13,443 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 236 [2021-07-10 11:54:13,719 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 297 [2021-07-10 11:54:14,099 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 352 [2021-07-10 11:54:14,632 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 326 [2021-07-10 11:54:14,914 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-10 11:54:15,508 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 493 [2021-07-10 11:54:16,018 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 602 [2021-07-10 11:54:16,781 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 741 [2021-07-10 11:54:18,076 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 987 DAG size of output: 950 [2021-07-10 11:54:19,977 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1124 DAG size of output: 1088 [2021-07-10 11:54:23,140 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 1499 DAG size of output: 1406 [2021-07-10 11:54:23,660 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 340 [2021-07-10 11:54:23,864 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 353 [2021-07-10 11:54:24,515 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 571 [2021-07-10 11:54:24,880 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 707 [2021-07-10 11:54:25,425 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 816 DAG size of output: 802 [2021-07-10 11:54:25,933 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-07-10 11:54:26,823 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1003 [2021-07-10 11:54:27,088 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 366 [2021-07-10 11:54:27,221 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 322 [2021-07-10 11:54:27,346 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 306 [2021-07-10 11:54:27,859 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 586 [2021-07-10 11:54:28,244 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 674 [2021-07-10 11:54:28,898 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 794 [2021-07-10 11:54:29,054 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 312 [2021-07-10 11:54:29,728 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 532 [2021-07-10 11:54:30,163 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 676 [2021-07-10 11:54:31,195 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 815 [2021-07-10 11:54:31,679 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 301 [2021-07-10 11:54:31,807 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 335 [2021-07-10 11:54:32,007 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 318 [2021-07-10 11:54:32,349 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 499 [2021-07-10 11:54:32,630 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 632 [2021-07-10 11:54:32,820 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 335 [2021-07-10 11:54:32,927 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 297 [2021-07-10 11:54:33,050 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 299 [2021-07-10 11:54:33,930 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 517 [2021-07-10 11:54:34,254 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 639 [2021-07-10 11:54:34,775 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 760 [2021-07-10 11:54:35,533 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 878 [2021-07-10 11:54:36,689 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1168 [2021-07-10 11:54:39,234 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1965 DAG size of output: 1905 [2021-07-10 11:54:44,311 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 2878 DAG size of output: 2788 [2021-07-10 11:54:53,015 WARN L205 SmtUtils]: Spent 8.69 s on a formula simplification. DAG size of input: 4237 DAG size of output: 3592 [2021-07-10 11:55:07,608 WARN L205 SmtUtils]: Spent 14.57 s on a formula simplification. DAG size of input: 5311 DAG size of output: 4573 [2021-07-10 11:55:30,190 WARN L205 SmtUtils]: Spent 22.55 s on a formula simplification. DAG size of input: 6289 DAG size of output: 5463 [2021-07-10 11:55:58,765 WARN L205 SmtUtils]: Spent 28.54 s on a formula simplification. DAG size of input: 6859 DAG size of output: 6051 [2021-07-10 11:56:32,470 WARN L205 SmtUtils]: Spent 33.67 s on a formula simplification. DAG size of input: 6979 DAG size of output: 6178 [2021-07-10 11:58:40,401 WARN L205 SmtUtils]: Spent 2.13 m on a formula simplification. DAG size of input: 15531 DAG size of output: 13741 [2021-07-10 12:00:52,979 WARN L205 SmtUtils]: Spent 2.21 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