/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 02:26:53,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 02:26:53,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 02:26:53,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 02:26:53,875 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-DelaySleep-NoLbe-Random7777.epf [2021-06-07 02:26:53,912 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 02:26:53,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 02:26:53,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 02:26:53,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 02:26:53,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 02:26:53,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 02:26:53,916 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 02:26:53,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 02:26:53,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 02:26:53,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 02:26:53,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 02:26:53,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 02:26:53,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 02:26:53,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 02:26:53,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 02:26:53,918 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 02:26:53,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 02:26:53,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 02:26:53,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 02:26:53,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 02:26:53,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 02:26:53,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 02:26:53,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 02:26:53,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 02:26:53,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 02:26:53,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 02:26:53,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 02:26:53,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 02:26:53,919 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 02:26:53,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 02:26:53,920 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 02:26:53,920 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 02:26:53,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 02:26:53,920 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 02:26:53,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 02:26:53,920 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 02:26:54,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 02:26:54,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 02:26:54,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 02:26:54,207 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 02:26:54,208 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 02:26:54,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-06-07 02:26:54,209 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-06-07 02:26:54,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 02:26:54,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 02:26:54,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 02:26:54,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 02:26:54,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 02:26:54,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (1/1) ... [2021-06-07 02:26:54,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (1/1) ... [2021-06-07 02:26:54,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 02:26:54,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 02:26:54,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 02:26:54,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 02:26:54,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (1/1) ... [2021-06-07 02:26:54,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (1/1) ... [2021-06-07 02:26:54,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (1/1) ... [2021-06-07 02:26:54,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (1/1) ... [2021-06-07 02:26:54,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (1/1) ... [2021-06-07 02:26:54,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (1/1) ... [2021-06-07 02:26:54,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (1/1) ... [2021-06-07 02:26:54,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 02:26:54,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 02:26:54,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 02:26:54,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 02:26:54,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (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 [2021-06-07 02:26:54,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 02:26:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 02:26:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 02:26:54,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 02:26:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 02:26:54,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 02:26:54,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 02:26:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 02:26:54,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 02:26:54,626 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 02:26:54,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 02:26:54,813 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-07 02:26:54,814 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-07 02:26:54,814 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-07 02:26:54,816 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:26:54 BoogieIcfgContainer [2021-06-07 02:26:54,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 02:26:54,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 02:26:54,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 02:26:54,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 02:26:54,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:26:54" (1/2) ... [2021-06-07 02:26:54,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7091393b and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 02:26:54, skipping insertion in model container [2021-06-07 02:26:54,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:26:54" (2/2) ... [2021-06-07 02:26:54,833 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-06-07 02:26:54,837 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 02:26:54,838 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 02:26:54,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 02:26:54,838 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 02:26:54,895 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-07 02:26:54,917 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 [2021-06-07 02:26:54,998 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 02:26:54,999 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 02:26:54,999 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 02:26:54,999 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 02:26:54,999 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 02:26:54,999 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 02:26:54,999 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 02:26:54,999 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 02:26:55,029 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:55,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:55,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1920837459, now seen corresponding path program 1 times [2021-06-07 02:26:55,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:55,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245635594] [2021-06-07 02:26:55,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:55,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:55,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:55,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245635594] [2021-06-07 02:26:55,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245635594] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 02:26:55,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 02:26:55,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 02:26:55,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937140386] [2021-06-07 02:26:55,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 02:26:55,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:55,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 02:26:55,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 02:26:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:55,163 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:55,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-06-07 02:26:55,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:55,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:55,175 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 02:26:55,175 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:55,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:55,176 INFO L82 PathProgramCache]: Analyzing trace with hash -618691063, now seen corresponding path program 1 times [2021-06-07 02:26:55,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:55,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031541982] [2021-06-07 02:26:55,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:55,220 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:55,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031541982] [2021-06-07 02:26:55,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031541982] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 02:26:55,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 02:26:55,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 02:26:55,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742587149] [2021-06-07 02:26:55,222 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 02:26:55,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:55,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 02:26:55,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 02:26:55,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:55,223 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:55,224 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-06-07 02:26:55,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:55,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:55,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:55,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:55,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 02:26:55,255 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:55,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:55,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1958527173, now seen corresponding path program 2 times [2021-06-07 02:26:55,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:55,256 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986400808] [2021-06-07 02:26:55,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:55,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:55,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986400808] [2021-06-07 02:26:55,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986400808] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 02:26:55,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 02:26:55,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 02:26:55,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134628229] [2021-06-07 02:26:55,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 02:26:55,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:55,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 02:26:55,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 02:26:55,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:55,285 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:55,285 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-06-07 02:26:55,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:55,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:55,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:55,310 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 02:26:55,310 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:55,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:55,310 INFO L82 PathProgramCache]: Analyzing trace with hash 326070920, now seen corresponding path program 1 times [2021-06-07 02:26:55,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:55,311 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674355791] [2021-06-07 02:26:55,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:55,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:55,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674355791] [2021-06-07 02:26:55,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674355791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:55,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949363558] [2021-06-07 02:26:55,343 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 [2021-06-07 02:26:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:55,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-07 02:26:55,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:55,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949363558] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:55,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:55,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-06-07 02:26:55,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520655997] [2021-06-07 02:26:55,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 02:26:55,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:55,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 02:26:55,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-07 02:26:55,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:55,491 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:55,491 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-06-07 02:26:55,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:55,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:55,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:55,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:55,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:55,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:55,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:55,745 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:55,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:55,745 INFO L82 PathProgramCache]: Analyzing trace with hash -940438456, now seen corresponding path program 1 times [2021-06-07 02:26:55,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:55,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541157234] [2021-06-07 02:26:55,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:26:55,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:55,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541157234] [2021-06-07 02:26:55,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541157234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:55,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958368480] [2021-06-07 02:26:55,815 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 [2021-06-07 02:26:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:55,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 02:26:55,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:26:55,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958368480] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:55,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:55,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-07 02:26:55,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150821672] [2021-06-07 02:26:55,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 02:26:55,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:55,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 02:26:55,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-07 02:26:55,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:55,972 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:55,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 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) [2021-06-07 02:26:55,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:55,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:55,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:55,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:55,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:56,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:56,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,232 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:56,233 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:56,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:56,234 INFO L82 PathProgramCache]: Analyzing trace with hash 887367062, now seen corresponding path program 2 times [2021-06-07 02:26:56,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:56,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776826856] [2021-06-07 02:26:56,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:26:56,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:56,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776826856] [2021-06-07 02:26:56,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776826856] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:56,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535447298] [2021-06-07 02:26:56,326 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 [2021-06-07 02:26:56,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:26:56,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:56,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-07 02:26:56,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:56,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:26:56,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-07 02:26:56,513 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:26:56,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:26:56,515 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:26:56,515 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-07 02:26:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:56,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535447298] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:56,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:56,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-06-07 02:26:56,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543665890] [2021-06-07 02:26:56,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-07 02:26:56,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:56,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-07 02:26:56,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-07 02:26:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:56,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:56,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 9 states have internal predecessors, (20), 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) [2021-06-07 02:26:56,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:56,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:56,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:56,785 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:56,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:56,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1714763272, now seen corresponding path program 3 times [2021-06-07 02:26:56,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:56,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837474035] [2021-06-07 02:26:56,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:56,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:56,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837474035] [2021-06-07 02:26:56,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837474035] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:56,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180197296] [2021-06-07 02:26:56,847 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 [2021-06-07 02:26:56,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 02:26:56,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:56,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 02:26:56,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:56,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180197296] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:56,968 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:56,968 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-07 02:26:56,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31094849] [2021-06-07 02:26:56,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 02:26:56,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:56,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 02:26:56,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-07 02:26:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:56,971 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:56,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:26:56,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:56,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:56,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:56,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:56,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:57,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:57,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:57,269 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:57,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:57,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1767261581, now seen corresponding path program 4 times [2021-06-07 02:26:57,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:57,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192666559] [2021-06-07 02:26:57,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-07 02:26:57,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:57,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192666559] [2021-06-07 02:26:57,331 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192666559] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:57,331 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119670132] [2021-06-07 02:26:57,331 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 [2021-06-07 02:26:57,369 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:26:57,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:57,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 02:26:57,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-07 02:26:57,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119670132] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:57,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:57,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-07 02:26:57,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173697790] [2021-06-07 02:26:57,438 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 02:26:57,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:57,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 02:26:57,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-07 02:26:57,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:57,439 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:57,439 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:26:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:57,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:57,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:57,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:26:57,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:57,778 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:57,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:57,778 INFO L82 PathProgramCache]: Analyzing trace with hash -764270861, now seen corresponding path program 5 times [2021-06-07 02:26:57,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:57,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883206825] [2021-06-07 02:26:57,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:57,915 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:57,915 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:57,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883206825] [2021-06-07 02:26:57,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883206825] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:57,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419578918] [2021-06-07 02:26:57,916 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 [2021-06-07 02:26:57,962 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-07 02:26:57,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:57,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-07 02:26:57,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:26:58,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419578918] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:58,054 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:58,054 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-06-07 02:26:58,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113551649] [2021-06-07 02:26:58,055 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-07 02:26:58,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:58,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-07 02:26:58,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-06-07 02:26:58,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:58,055 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:58,056 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 16 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) [2021-06-07 02:26:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:26:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:58,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:26:58,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:26:58,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:26:58,473 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:58,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:58,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1307908376, now seen corresponding path program 6 times [2021-06-07 02:26:58,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:58,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603780224] [2021-06-07 02:26:58,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-07 02:26:58,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:58,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603780224] [2021-06-07 02:26:58,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603780224] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:58,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064918324] [2021-06-07 02:26:58,579 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 [2021-06-07 02:26:58,631 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-07 02:26:58,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:26:58,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 02:26:58,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 02:26:58,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064918324] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:58,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:26:58,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-06-07 02:26:58,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35271588] [2021-06-07 02:26:58,747 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-07 02:26:58,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:26:58,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-07 02:26:58,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-06-07 02:26:58,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:58,748 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:26:58,748 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.6875) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:26:58,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:26:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:26:58,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:26:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:26:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:26:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:26:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:26:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:26:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:26:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:26:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:26:59,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-07 02:26:59,189 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:26:59,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:26:59,189 INFO L82 PathProgramCache]: Analyzing trace with hash -391261642, now seen corresponding path program 7 times [2021-06-07 02:26:59,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:26:59,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736355035] [2021-06-07 02:26:59,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:26:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:26:59,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:26:59,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736355035] [2021-06-07 02:26:59,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736355035] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:26:59,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254981131] [2021-06-07 02:26:59,301 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 [2021-06-07 02:26:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:26:59,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-07 02:26:59,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:26:59,834 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-07 02:26:59,837 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:26:59,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-07 02:27:00,649 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 207 [2021-06-07 02:27:01,356 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-06-07 02:27:01,537 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-06-07 02:27:01,709 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-06-07 02:27:01,878 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-06-07 02:27:02,163 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-06-07 02:27:02,418 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-06-07 02:27:02,553 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 261 [2021-06-07 02:27:03,691 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 219 [2021-06-07 02:27:04,644 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 224 [2021-06-07 02:27:04,888 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-06-07 02:27:05,325 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-06-07 02:27:05,612 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-06-07 02:27:06,441 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 172 [2021-06-07 02:27:07,147 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-06-07 02:27:07,316 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-06-07 02:27:07,559 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-06-07 02:27:08,165 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-06-07 02:27:08,818 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-06-07 02:27:09,672 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-06-07 02:27:10,951 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-06-07 02:27:11,991 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-06-07 02:27:13,042 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-06-07 02:27:14,154 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-06-07 02:27:15,510 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-06-07 02:27:16,526 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-06-07 02:27:18,173 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 282 [2021-06-07 02:27:18,337 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-06-07 02:27:18,621 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-06-07 02:27:19,106 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-06-07 02:27:19,852 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-06-07 02:27:20,433 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-06-07 02:27:20,942 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-06-07 02:27:21,619 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-06-07 02:27:22,298 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-06-07 02:27:23,042 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-06-07 02:27:23,752 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-06-07 02:27:24,261 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-06-07 02:27:25,049 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:27:25,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:27:25,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:27:25,051 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-07 02:27:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:27:25,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254981131] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:27:25,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:27:25,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-06-07 02:27:25,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017942556] [2021-06-07 02:27:25,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-07 02:27:25,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:27:25,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-07 02:27:25,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-06-07 02:27:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:27:25,065 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:27:25,065 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:27:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:27:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:27:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:27:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:27:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:27:25,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:27:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:27:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:27:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:27:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:27:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:27:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:27:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:27:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:27:25,433 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:27:25,433 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:27:25,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:27:25,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1189983640, now seen corresponding path program 8 times [2021-06-07 02:27:25,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:27:25,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654005646] [2021-06-07 02:27:25,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:27:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:27:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 67 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:27:25,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:27:25,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654005646] [2021-06-07 02:27:25,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654005646] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:27:25,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903313242] [2021-06-07 02:27:25,602 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 [2021-06-07 02:27:25,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:27:25,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:27:25,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-07 02:27:25,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:27:25,695 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:27:25,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903313242] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:27:25,695 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:27:25,695 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-07 02:27:25,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887149859] [2021-06-07 02:27:25,695 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-07 02:27:25,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:27:25,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-07 02:27:25,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-06-07 02:27:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:27:25,696 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:27:25,696 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 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) [2021-06-07 02:27:25,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:27:25,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:25,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:25,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:27:25,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:27:25,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:27:25,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:27:25,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:27:25,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:27:25,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:27:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 02:27:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:27:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 02:27:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:27:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:27:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 02:27:25,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:27:25,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:27:25,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:27:25,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 02:27:26,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1525,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:27:26,161 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:27:26,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:27:26,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1620102637, now seen corresponding path program 9 times [2021-06-07 02:27:26,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:27:26,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100515354] [2021-06-07 02:27:26,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:27:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:27:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 02:27:26,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:27:26,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100515354] [2021-06-07 02:27:26,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100515354] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:27:26,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388035539] [2021-06-07 02:27:26,277 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 [2021-06-07 02:27:26,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-07 02:27:26,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:27:26,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-07 02:27:26,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:27:27,057 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-07 02:27:27,057 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:27:27,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-07 02:27:27,981 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-07 02:27:28,145 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-07 02:27:29,420 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-07 02:27:29,679 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-07 02:27:30,152 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-07 02:27:30,683 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-07 02:27:31,596 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-07 02:27:31,782 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-07 02:27:31,993 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-07 02:27:32,877 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-07 02:27:33,555 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-07 02:27:33,840 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-07 02:27:34,193 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-07 02:27:34,618 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-07 02:27:35,359 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-07 02:27:36,231 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-07 02:27:37,748 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-07 02:27:39,036 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-07 02:27:39,252 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-07 02:27:40,022 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-06-07 02:27:40,148 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-07 02:27:40,525 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-07 02:27:40,998 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-07 02:27:41,720 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-07 02:27:41,876 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-07 02:27:42,061 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-07 02:27:43,155 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-06-07 02:27:43,387 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-07 02:27:43,692 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-07 02:27:44,070 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-07 02:27:44,698 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-07 02:27:45,444 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-07 02:27:46,784 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-07 02:27:50,080 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-07 02:27:53,901 WARN L205 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-07 02:27:58,244 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-07 02:28:02,538 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-07 02:28:07,696 WARN L205 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-07 02:28:12,468 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-07 02:28:17,605 WARN L205 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-07 02:28:25,582 WARN L205 SmtUtils]: Spent 7.96 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-07 02:28:25,758 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-07 02:28:26,819 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-07 02:28:28,720 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-07 02:28:35,199 WARN L205 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-07 02:28:35,503 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-07 02:28:35,805 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-07 02:28:36,771 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-07 02:28:37,055 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-07 02:28:38,593 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-07 02:28:38,823 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-07 02:28:39,125 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-07 02:28:39,597 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-07 02:28:40,552 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-07 02:28:40,882 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-07 02:28:41,189 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-07 02:28:41,655 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-07 02:28:42,692 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-07 02:28:43,964 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-07 02:28:44,244 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-07 02:28:45,194 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-07 02:28:45,431 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-07 02:28:45,752 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-07 02:28:46,662 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-07 02:28:46,859 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-07 02:28:47,118 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-07 02:28:47,458 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-07 02:28:48,177 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-07 02:28:49,130 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-07 02:28:49,983 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-07 02:28:50,155 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-07 02:28:50,382 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-07 02:28:50,691 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-07 02:28:51,691 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-07 02:28:51,839 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-07 02:28:52,043 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-07 02:28:52,326 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-07 02:28:52,687 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-07 02:28:53,417 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-07 02:28:55,241 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-07 02:28:58,232 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-07 02:29:01,679 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-07 02:29:06,111 WARN L205 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-07 02:29:07,222 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-07 02:29:07,600 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-07 02:29:08,189 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-07 02:29:09,192 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-07 02:29:09,400 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-07 02:29:09,665 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-07 02:29:10,054 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-07 02:29:10,243 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-07 02:29:11,226 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-07 02:29:11,415 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-07 02:29:12,343 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-07 02:29:12,503 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-07 02:29:12,892 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-07 02:29:13,423 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-07 02:29:14,180 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-07 02:29:15,407 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-07 02:29:17,126 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-07 02:29:17,803 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-07 02:29:18,410 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-07 02:29:18,817 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-07 02:29:18,928 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-07 02:29:20,621 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-06-07 02:29:20,751 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-07 02:29:20,906 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-07 02:29:21,209 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-07 02:29:21,825 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-07 02:29:22,768 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-07 02:29:24,137 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-07 02:29:27,507 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-07 02:29:31,402 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-07 02:29:36,967 WARN L205 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-07 02:29:48,065 WARN L205 SmtUtils]: Spent 11.08 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-07 02:29:49,339 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-07 02:29:49,906 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-07 02:29:50,685 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-07 02:29:51,178 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-07 02:29:51,991 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-07 02:29:52,195 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-07 02:29:52,422 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-07 02:29:53,303 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-07 02:29:54,179 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-07 02:29:55,135 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-07 02:29:56,329 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-07 02:29:56,762 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-07 02:29:57,549 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-07 02:29:58,518 WARN L205 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-07 02:29:59,727 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-07 02:30:01,007 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-07 02:30:02,912 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-07 02:30:05,557 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-07 02:30:06,378 WARN L205 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-07 02:30:06,739 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-07 02:30:07,033 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-07 02:30:08,239 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-07 02:30:09,135 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-07 02:30:09,404 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-07 02:30:09,821 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-07 02:30:10,541 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-07 02:30:11,604 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-07 02:30:11,787 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-07 02:30:12,526 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-07 02:30:12,706 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-07 02:30:12,991 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-07 02:30:14,265 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-07 02:30:16,156 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-07 02:30:21,071 WARN L205 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-07 02:30:27,791 WARN L205 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-07 02:30:35,402 WARN L205 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-07 02:30:36,082 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-07 02:30:36,770 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-07 02:30:36,936 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-07 02:30:37,650 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-07 02:30:38,633 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-07 02:30:38,787 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-07 02:30:39,006 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-07 02:30:39,312 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-07 02:30:39,686 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-07 02:30:40,162 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-07 02:30:40,713 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-07 02:30:41,982 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-07 02:30:42,241 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-07 02:30:42,575 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-07 02:30:43,043 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-07 02:30:43,571 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-07 02:30:44,225 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-07 02:30:45,565 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-07 02:30:46,456 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-07 02:30:46,619 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-07 02:30:46,869 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-07 02:30:47,208 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-07 02:30:47,400 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-07 02:30:48,058 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-07 02:30:48,297 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-07 02:30:48,622 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-07 02:30:49,370 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-07 02:30:50,460 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-07 02:30:52,938 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-07 02:30:56,171 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-07 02:30:56,309 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-07 02:30:56,913 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-07 02:30:57,102 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-07 02:30:57,734 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-07 02:30:58,083 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-07 02:30:59,101 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-07 02:30:59,244 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-07 02:30:59,447 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-07 02:30:59,734 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-07 02:31:00,143 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-07 02:31:01,015 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-07 02:31:02,192 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-07 02:31:03,265 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-07 02:31:03,440 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-07 02:31:03,752 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-07 02:31:04,135 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-07 02:31:04,501 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-07 02:31:06,264 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-07 02:31:11,598 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-07 02:31:17,534 WARN L205 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-07 02:31:32,318 WARN L205 SmtUtils]: Spent 14.77 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-07 02:32:00,744 WARN L205 SmtUtils]: Spent 28.40 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-07 02:32:01,792 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-07 02:32:01,974 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-07 02:32:33,701 WARN L205 SmtUtils]: Spent 31.71 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-07 02:33:11,331 WARN L205 SmtUtils]: Spent 37.59 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-07 02:33:12,428 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-07 02:33:12,624 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-07 02:33:12,874 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-07 02:33:51,289 WARN L205 SmtUtils]: Spent 38.40 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-07 02:34:30,155 WARN L205 SmtUtils]: Spent 38.82 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-07 02:35:16,356 WARN L205 SmtUtils]: Spent 46.15 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-07 02:35:19,945 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-07 02:35:20,102 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-07 02:35:21,522 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-07 02:35:25,077 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-07 02:35:25,227 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-07 02:35:25,369 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-07 02:35:26,461 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-07 02:35:27,148 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-07 02:35:28,088 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-07 02:35:28,847 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-07 02:35:29,183 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-07 02:35:29,886 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-07 02:35:30,066 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-07 02:35:30,445 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-07 02:35:30,794 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-07 02:35:31,208 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-07 02:35:32,779 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-07 02:35:33,091 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-07 02:35:33,901 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-07 02:35:34,958 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-07 02:35:36,394 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-07 02:35:37,313 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-07 02:35:38,419 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-07 02:35:38,719 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-07 02:35:39,414 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-07 02:35:39,627 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-07 02:35:39,988 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-07 02:35:40,236 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-07 02:35:40,872 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-07 02:35:41,055 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-07 02:35:41,870 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-07 02:35:42,055 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-07 02:35:42,461 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-07 02:35:43,389 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-07 02:35:43,915 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-07 02:35:44,199 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-07 02:35:45,004 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-07 02:35:46,015 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-07 02:35:47,340 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-07 02:35:49,085 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-07 02:35:51,300 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-07 02:35:54,040 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-07 02:35:58,619 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-07 02:36:04,793 WARN L205 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-07 02:36:05,188 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-07 02:36:05,390 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-07 02:36:05,595 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-07 02:36:05,931 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-07 02:36:07,466 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-07 02:36:07,646 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-07 02:36:07,889 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-07 02:36:08,284 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-07 02:36:08,819 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-07 02:36:08,940 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-06-07 02:36:09,100 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-07 02:36:10,323 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-07 02:36:10,484 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-07 02:36:10,685 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-07 02:36:10,987 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-07 02:36:11,353 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-07 02:36:11,926 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-07 02:36:12,523 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-07 02:36:13,759 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-07 02:36:15,199 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-07 02:36:17,135 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-07 02:36:17,374 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-07 02:36:17,626 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-07 02:36:17,803 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-07 02:36:17,981 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-07 02:36:19,105 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-07 02:36:19,311 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-07 02:36:19,569 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-07 02:36:19,921 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-07 02:36:20,400 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-07 02:36:20,582 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-07 02:36:20,761 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-07 02:36:21,864 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-07 02:36:22,048 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-07 02:36:22,307 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-07 02:36:22,712 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-07 02:36:23,692 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-07 02:36:24,990 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-07 02:36:28,291 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-07 02:36:38,029 WARN L205 SmtUtils]: Spent 9.73 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-07 02:36:52,166 WARN L205 SmtUtils]: Spent 13.76 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-07 02:37:04,898 WARN L205 SmtUtils]: Spent 12.71 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-07 02:37:17,979 WARN L205 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-07 02:37:31,219 WARN L205 SmtUtils]: Spent 13.22 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-07 02:37:46,432 WARN L205 SmtUtils]: Spent 15.19 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-07 02:38:49,690 WARN L205 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-07 02:39:59,278 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-07 02:41:09,463 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown