/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 23:25:07,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 23:25:07,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 23:25:07,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 23:25:07,455 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-Random521.epf [2021-06-06 23:25:07,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 23:25:07,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 23:25:07,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 23:25:07,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 23:25:07,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 23:25:07,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 23:25:07,489 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 23:25:07,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 23:25:07,489 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 23:25:07,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 23:25:07,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 23:25:07,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 23:25:07,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 23:25:07,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 23:25:07,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 23:25:07,491 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 23:25:07,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 23:25:07,491 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 23:25:07,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 23:25:07,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 23:25:07,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 23:25:07,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 23:25:07,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 23:25:07,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 23:25:07,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 23:25:07,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 23:25:07,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 23:25:07,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 23:25:07,492 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 23:25:07,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 23:25:07,492 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 23:25:07,492 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 23:25:07,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 23:25:07,493 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 23:25:07,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 23:25:07,493 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 23:25:07,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 23:25:07,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 23:25:07,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 23:25:07,750 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 23:25:07,751 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 23:25:07,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-06-06 23:25:07,752 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-06-06 23:25:07,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 23:25:07,774 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 23:25:07,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 23:25:07,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 23:25:07,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 23:25:07,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (1/1) ... [2021-06-06 23:25:07,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (1/1) ... [2021-06-06 23:25:07,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 23:25:07,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 23:25:07,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 23:25:07,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 23:25:07,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (1/1) ... [2021-06-06 23:25:07,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (1/1) ... [2021-06-06 23:25:07,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (1/1) ... [2021-06-06 23:25:07,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (1/1) ... [2021-06-06 23:25:07,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (1/1) ... [2021-06-06 23:25:07,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (1/1) ... [2021-06-06 23:25:07,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (1/1) ... [2021-06-06 23:25:07,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 23:25:07,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 23:25:07,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 23:25:07,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 23:25:07,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (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 [2021-06-06 23:25:07,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 23:25:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 23:25:07,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 23:25:07,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 23:25:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 23:25:07,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 23:25:07,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 23:25:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 23:25:07,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 23:25:07,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 23:25:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 23:25:07,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 23:25:07,876 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 23:25:08,029 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 23:25:08,030 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 23:25:08,031 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:25:08 BoogieIcfgContainer [2021-06-06 23:25:08,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 23:25:08,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 23:25:08,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 23:25:08,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 23:25:08,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:25:07" (1/2) ... [2021-06-06 23:25:08,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a80b64 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:25:08, skipping insertion in model container [2021-06-06 23:25:08,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:25:08" (2/2) ... [2021-06-06 23:25:08,036 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-06-06 23:25:08,039 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 23:25:08,039 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 23:25:08,039 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 23:25:08,040 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 23:25:08,096 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 23:25:08,118 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 23:25:08,148 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 23:25:08,148 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 23:25:08,148 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 23:25:08,148 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 23:25:08,148 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 23:25:08,148 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 23:25:08,148 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 23:25:08,148 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 23:25:08,197 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:08,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:08,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1550547830, now seen corresponding path program 1 times [2021-06-06 23:25:08,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:08,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200686499] [2021-06-06 23:25:08,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:08,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:08,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200686499] [2021-06-06 23:25:08,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200686499] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 23:25:08,380 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 23:25:08,380 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 23:25:08,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036041633] [2021-06-06 23:25:08,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 23:25:08,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:08,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 23:25:08,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 23:25:08,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:08,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:08,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 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) [2021-06-06 23:25:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:08,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:08,434 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 23:25:08,434 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:08,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:08,435 INFO L82 PathProgramCache]: Analyzing trace with hash -769335896, now seen corresponding path program 1 times [2021-06-06 23:25:08,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:08,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687935886] [2021-06-06 23:25:08,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 23:25:08,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:08,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687935886] [2021-06-06 23:25:08,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687935886] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 23:25:08,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 23:25:08,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 23:25:08,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710099015] [2021-06-06 23:25:08,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 23:25:08,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:08,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 23:25:08,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 23:25:08,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:08,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:08,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-06-06 23:25:08,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:08,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:08,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:08,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:08,546 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 23:25:08,546 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:08,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:08,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1369203574, now seen corresponding path program 1 times [2021-06-06 23:25:08,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:08,547 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820164188] [2021-06-06 23:25:08,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 23:25:08,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:08,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820164188] [2021-06-06 23:25:08,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820164188] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:08,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511190502] [2021-06-06 23:25:08,607 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 [2021-06-06 23:25:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:08,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 23:25:08,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 23:25:08,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511190502] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:08,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:08,825 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-06 23:25:08,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368732465] [2021-06-06 23:25:08,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 23:25:08,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:08,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 23:25:08,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-06 23:25:08,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:08,828 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:08,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:25:08,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:08,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:08,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:08,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:08,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:09,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:25:09,137 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:09,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:09,137 INFO L82 PathProgramCache]: Analyzing trace with hash -54118744, now seen corresponding path program 2 times [2021-06-06 23:25:09,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:09,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610978564] [2021-06-06 23:25:09,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:09,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:09,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610978564] [2021-06-06 23:25:09,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610978564] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:09,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242745966] [2021-06-06 23:25:09,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:25:09,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 23:25:09,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:25:09,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 23:25:09,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:09,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:09,818 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:25:09,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 28 [2021-06-06 23:25:09,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 23:25:09,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:25:09,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 23:25:09,852 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:120 [2021-06-06 23:25:10,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:10,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242745966] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:10,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:10,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-06 23:25:10,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827533288] [2021-06-06 23:25:10,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 23:25:10,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:10,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 23:25:10,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-06-06 23:25:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:10,044 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:10,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 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) [2021-06-06 23:25:10,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:10,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:10,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:10,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:10,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:10,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:25:10,849 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:10,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:10,850 INFO L82 PathProgramCache]: Analyzing trace with hash 102177892, now seen corresponding path program 3 times [2021-06-06 23:25:10,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:10,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585964260] [2021-06-06 23:25:10,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:10,910 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:10,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585964260] [2021-06-06 23:25:10,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585964260] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:10,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678422191] [2021-06-06 23:25:10,911 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 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 [2021-06-06 23:25:10,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 23:25:10,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:25:10,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 23:25:10,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:11,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678422191] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:11,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:11,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-06 23:25:11,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844012392] [2021-06-06 23:25:11,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 23:25:11,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:11,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 23:25:11,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2021-06-06 23:25:11,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:11,090 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:11,090 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 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) [2021-06-06 23:25:11,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:11,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:11,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:11,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:11,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:11,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:11,570 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:25:11,571 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:11,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:11,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1968974090, now seen corresponding path program 4 times [2021-06-06 23:25:11,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:11,571 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125634945] [2021-06-06 23:25:11,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 23:25:11,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:11,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125634945] [2021-06-06 23:25:11,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125634945] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:11,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455005972] [2021-06-06 23:25:11,645 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 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 [2021-06-06 23:25:11,681 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 23:25:11,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:25:11,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 23:25:11,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:11,791 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 23:25:11,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455005972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:11,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:11,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 23:25:11,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245693494] [2021-06-06 23:25:11,791 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 23:25:11,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:11,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 23:25:11,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 23:25:11,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:11,792 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:11,792 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 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) [2021-06-06 23:25:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:11,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:11,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:11,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:12,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 23:25:12,105 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:12,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:12,105 INFO L82 PathProgramCache]: Analyzing trace with hash 100828712, now seen corresponding path program 5 times [2021-06-06 23:25:12,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:12,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704852689] [2021-06-06 23:25:12,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:12,547 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:12,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704852689] [2021-06-06 23:25:12,547 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704852689] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:12,547 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874083093] [2021-06-06 23:25:12,547 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 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 [2021-06-06 23:25:12,584 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 23:25:12,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:25:12,584 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-06 23:25:12,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:13,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:13,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:25:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:13,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:13,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:13,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-06-06 23:25:13,233 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 23:25:13,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:25:13,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 23:25:13,238 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:5 [2021-06-06 23:25:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:13,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874083093] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:13,265 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:13,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-06 23:25:13,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003272466] [2021-06-06 23:25:13,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 23:25:13,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:13,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 23:25:13,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-06-06 23:25:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:13,267 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:13,267 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.161290322580645) internal successors, (67), 31 states have internal predecessors, (67), 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) [2021-06-06 23:25:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:14,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:14,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:14,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:14,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:14,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:14,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:14,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:25:14,533 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:14,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:14,533 INFO L82 PathProgramCache]: Analyzing trace with hash 109450182, now seen corresponding path program 6 times [2021-06-06 23:25:14,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:14,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110778404] [2021-06-06 23:25:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:14,637 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:14,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:14,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110778404] [2021-06-06 23:25:14,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110778404] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:14,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119805906] [2021-06-06 23:25:14,638 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 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 [2021-06-06 23:25:14,689 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 23:25:14,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:25:14,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 23:25:14,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:14,920 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:14,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119805906] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:14,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:14,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-06-06 23:25:14,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691807332] [2021-06-06 23:25:14,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 23:25:14,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:14,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 23:25:14,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2021-06-06 23:25:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:14,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:14,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.4482758620689653) internal successors, (71), 29 states have internal predecessors, (71), 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) [2021-06-06 23:25:14,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:14,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:14,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:14,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:14,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:14,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:14,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:14,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:15,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:15,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:15,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-06 23:25:15,953 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:15,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:15,953 INFO L82 PathProgramCache]: Analyzing trace with hash -661749494, now seen corresponding path program 7 times [2021-06-06 23:25:15,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:15,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29122724] [2021-06-06 23:25:15,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 31 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 23:25:16,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:16,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29122724] [2021-06-06 23:25:16,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29122724] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:16,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24750636] [2021-06-06 23:25:16,052 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 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 [2021-06-06 23:25:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:16,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 23:25:16,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 31 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 23:25:16,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24750636] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:16,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:16,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-06-06 23:25:16,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900500950] [2021-06-06 23:25:16,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 23:25:16,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:16,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 23:25:16,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-06-06 23:25:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:16,237 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:16,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 23 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:25:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:16,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:16,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:16,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:25:16,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 23:25:16,597 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:16,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:16,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1618157528, now seen corresponding path program 8 times [2021-06-06 23:25:16,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:16,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149144754] [2021-06-06 23:25:16,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:17,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:17,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149144754] [2021-06-06 23:25:17,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149144754] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:17,470 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031259381] [2021-06-06 23:25:17,470 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 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 [2021-06-06 23:25:17,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 23:25:17,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:25:17,507 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-06 23:25:17,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:18,242 INFO L354 Elim1Store]: treesize reduction 217, result has 3.6 percent of original size [2021-06-06 23:25:18,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 168 treesize of output 106 [2021-06-06 23:25:18,245 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 23:25:18,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:25:18,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 23:25:18,250 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:168, output treesize:17 [2021-06-06 23:25:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:18,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031259381] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:18,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:18,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 40 [2021-06-06 23:25:18,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822069797] [2021-06-06 23:25:18,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 23:25:18,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:18,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 23:25:18,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1424, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 23:25:18,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:18,342 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:18,342 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.15) internal successors, (86), 40 states have internal predecessors, (86), 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) [2021-06-06 23:25:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:18,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:18,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:18,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:25:18,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:20,486 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-06-06 23:25:20,645 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 88 [2021-06-06 23:25:21,207 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 85 [2021-06-06 23:25:22,748 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 96 [2021-06-06 23:25:22,920 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2021-06-06 23:25:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:25:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:25:23,326 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 23:25:23,327 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:23,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:23,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1546043736, now seen corresponding path program 9 times [2021-06-06 23:25:23,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:23,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245445409] [2021-06-06 23:25:23,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:24,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:24,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245445409] [2021-06-06 23:25:24,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245445409] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:24,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479378104] [2021-06-06 23:25:24,124 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 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 [2021-06-06 23:25:24,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-06 23:25:24,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:25:24,170 WARN L261 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 79 conjunts are in the unsatisfiable core [2021-06-06 23:25:24,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:25,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:25:25,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:25:25,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:25:25,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:25,359 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:25:25,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 56 disjoint index pairs (out of 105 index pairs), introduced 12 new quantified variables, introduced 10 case distinctions, treesize of input 75 treesize of output 135 [2021-06-06 23:25:25,402 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-06 23:25:25,423 INFO L628 ElimStorePlain]: treesize reduction 4, result has 90.2 percent of original size [2021-06-06 23:25:25,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 23:25:25,427 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:101, output treesize:35 [2021-06-06 23:25:25,557 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:25,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479378104] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:25,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:25,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 46 [2021-06-06 23:25:25,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64391432] [2021-06-06 23:25:25,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 23:25:25,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:25,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 23:25:25,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1859, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 23:25:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:25,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:25,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 2.0) internal successors, (92), 46 states have internal predecessors, (92), 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) [2021-06-06 23:25:25,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:25,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:25,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:25,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:25,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:25,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:25,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:25,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:25,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:25:25,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:25:25,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:27,102 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 100 [2021-06-06 23:25:27,397 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 110 [2021-06-06 23:25:27,837 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 92 [2021-06-06 23:25:28,023 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 100 [2021-06-06 23:25:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:25:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:25:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 23:25:30,163 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:25:30,164 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:30,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:30,164 INFO L82 PathProgramCache]: Analyzing trace with hash 543079976, now seen corresponding path program 10 times [2021-06-06 23:25:30,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:30,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697627246] [2021-06-06 23:25:30,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 20 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:31,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:31,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697627246] [2021-06-06 23:25:31,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697627246] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:31,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387626659] [2021-06-06 23:25:31,239 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 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 [2021-06-06 23:25:31,271 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 23:25:31,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:25:31,273 WARN L261 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 82 conjunts are in the unsatisfiable core [2021-06-06 23:25:31,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:32,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 23:25:32,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:32,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:32,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:32,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:32,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:32,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:32,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2021-06-06 23:25:32,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 23:25:32,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:25:32,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 23:25:32,397 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:72, output treesize:5 [2021-06-06 23:25:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:32,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387626659] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:32,430 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:32,430 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25] total 47 [2021-06-06 23:25:32,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313017050] [2021-06-06 23:25:32,431 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-06 23:25:32,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:32,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-06 23:25:32,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1953, Unknown=0, NotChecked=0, Total=2162 [2021-06-06 23:25:32,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:32,432 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:32,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.127659574468085) internal successors, (100), 47 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 23:25:32,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:34,841 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2021-06-06 23:25:35,048 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-06-06 23:25:35,243 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 88 [2021-06-06 23:25:35,423 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 92 [2021-06-06 23:25:35,623 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 98 [2021-06-06 23:25:35,920 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-06-06 23:25:36,090 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 74 [2021-06-06 23:25:36,268 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 95 [2021-06-06 23:25:38,210 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 106 [2021-06-06 23:25:38,391 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2021-06-06 23:25:38,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 23:25:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 23:25:38,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-06-06 23:25:38,837 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:38,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:38,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1341088088, now seen corresponding path program 11 times [2021-06-06 23:25:38,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:38,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825742094] [2021-06-06 23:25:38,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:39,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:39,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825742094] [2021-06-06 23:25:39,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825742094] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:39,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939793337] [2021-06-06 23:25:39,990 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:25:40,040 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-06 23:25:40,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:25:40,042 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-06-06 23:25:40,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:41,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:41,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:41,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:41,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:41,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:41,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:41,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:41,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:41,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:41,339 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:25:41,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 109 [2021-06-06 23:25:41,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 23:25:41,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:25:41,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 23:25:41,367 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:86, output treesize:43 [2021-06-06 23:25:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:41,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939793337] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:41,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 23:25:41,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27] total 53 [2021-06-06 23:25:41,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827279684] [2021-06-06 23:25:41,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-06 23:25:41,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 23:25:41,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-06 23:25:41,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=2418, Unknown=0, NotChecked=0, Total=2756 [2021-06-06 23:25:41,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:41,509 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 23:25:41,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.0754716981132075) internal successors, (110), 53 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 23:25:41,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 23:25:41,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 23:25:43,697 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-06-06 23:25:44,040 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2021-06-06 23:25:44,273 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2021-06-06 23:25:44,501 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 103 [2021-06-06 23:25:47,745 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2021-06-06 23:25:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 23:25:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 23:25:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 23:25:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 23:25:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 23:25:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 23:25:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 23:25:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 23:25:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 23:25:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-06 23:25:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-06 23:25:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 23:25:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-06-06 23:25:48,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-06-06 23:25:48,143 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 23:25:48,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 23:25:48,143 INFO L82 PathProgramCache]: Analyzing trace with hash -699260888, now seen corresponding path program 12 times [2021-06-06 23:25:48,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 23:25:48,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758070393] [2021-06-06 23:25:48,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 23:25:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 23:25:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 32 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 23:25:49,263 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 23:25:49,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758070393] [2021-06-06 23:25:49,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758070393] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 23:25:49,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214436036] [2021-06-06 23:25:49,263 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 23:25:49,312 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-06-06 23:25:49,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 23:25:49,313 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 102 conjunts are in the unsatisfiable core [2021-06-06 23:25:49,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 23:25:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:50,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 23:25:51,004 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-06-06 23:25:51,005 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 23:25:51,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 67 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 38 case distinctions, treesize of input 79 treesize of output 369 [2021-06-06 23:25:51,587 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 687 [2021-06-06 23:25:51,959 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 884 DAG size of output: 699 [2021-06-06 23:25:53,470 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 2200 DAG size of output: 1535 [2021-06-06 23:25:54,996 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 2212 DAG size of output: 1547 [2021-06-06 23:26:00,391 WARN L205 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 4654 DAG size of output: 3552 [2021-06-06 23:26:06,238 WARN L205 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 4666 DAG size of output: 3564 [2021-06-06 23:26:30,162 WARN L205 SmtUtils]: Spent 23.18 s on a formula simplification. DAG size of input: 10608 DAG size of output: 9217 [2021-06-06 23:28:13,921 WARN L205 SmtUtils]: Spent 1.73 m on a formula simplification. DAG size of input: 10745 DAG size of output: 10912 [2021-06-06 23:28:30,853 WARN L205 SmtUtils]: Spent 16.87 s on a formula simplification. DAG size of input: 8063 DAG size of output: 8063 [2021-06-06 23:28:34,715 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 3397 DAG size of output: 3397 [2021-06-06 23:28:42,966 WARN L205 SmtUtils]: Spent 8.23 s on a formula simplification. DAG size of input: 3399 DAG size of output: 4435 [2021-06-06 23:28:46,636 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 3393 DAG size of output: 3393 [2021-06-06 23:28:48,690 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 2348 DAG size of output: 2368 [2021-06-06 23:28:49,458 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 1025 [2021-06-06 23:28:49,719 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 724 [2021-06-06 23:28:49,916 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 526 [2021-06-06 23:28:50,623 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 377 [2021-06-06 23:28:51,536 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 519 [2021-06-06 23:28:51,963 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 777 DAG size of output: 685 [2021-06-06 23:28:52,555 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 414 [2021-06-06 23:28:52,916 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 630 [2021-06-06 23:28:53,251 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 661 [2021-06-06 23:28:54,177 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 1067 DAG size of output: 976 [2021-06-06 23:28:55,354 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1133 DAG size of output: 1039 [2021-06-06 23:28:55,484 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 455 [2021-06-06 23:28:56,092 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 464 [2021-06-06 23:28:56,298 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 509 [2021-06-06 23:28:56,539 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 536 [2021-06-06 23:28:57,493 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 780 DAG size of output: 717 [2021-06-06 23:28:57,791 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 752 [2021-06-06 23:28:58,272 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 521 [2021-06-06 23:28:59,284 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 1170 DAG size of output: 1097 [2021-06-06 23:29:00,394 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1226 DAG size of output: 1153 [2021-06-06 23:29:01,811 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1371 DAG size of output: 1294 [2021-06-06 23:29:04,759 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 2091 DAG size of output: 1954 [2021-06-06 23:29:08,408 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 2187 DAG size of output: 2044 [2021-06-06 23:29:08,556 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-06-06 23:29:09,027 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 451 [2021-06-06 23:29:09,319 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 598 [2021-06-06 23:29:10,423 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 579 [2021-06-06 23:29:10,916 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 447 [2021-06-06 23:29:11,913 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 917 [2021-06-06 23:29:13,501 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1897 DAG size of output: 1458 [2021-06-06 23:29:14,122 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 555 [2021-06-06 23:29:14,526 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 662 [2021-06-06 23:29:15,041 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 415 [2021-06-06 23:29:15,459 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 900 [2021-06-06 23:29:16,017 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 945 [2021-06-06 23:29:18,176 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 2414 DAG size of output: 1961 [2021-06-06 23:29:18,779 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 354 [2021-06-06 23:29:19,088 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 312 [2021-06-06 23:29:19,397 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 485 [2021-06-06 23:29:20,689 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 325 [2021-06-06 23:29:20,899 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 451 [2021-06-06 23:29:21,301 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 648 DAG size of output: 546 [2021-06-06 23:29:21,694 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 228 [2021-06-06 23:29:22,698 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1248 DAG size of output: 954 [2021-06-06 23:29:26,642 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 3083 DAG size of output: 2399 [2021-06-06 23:29:34,914 WARN L205 SmtUtils]: Spent 8.26 s on a formula simplification. DAG size of input: 4317 DAG size of output: 3541 [2021-06-06 23:29:45,133 WARN L205 SmtUtils]: Spent 10.20 s on a formula simplification. DAG size of input: 4730 DAG size of output: 3960 [2021-06-06 23:29:46,463 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1843 DAG size of output: 1843 [2021-06-06 23:29:46,705 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 740 DAG size of output: 740 [2021-06-06 23:29:47,293 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 377 [2021-06-06 23:29:47,559 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 380 [2021-06-06 23:29:48,058 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 383 [2021-06-06 23:29:48,365 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 505 [2021-06-06 23:29:49,164 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 390 [2021-06-06 23:29:49,773 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 638 [2021-06-06 23:29:50,439 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 446 [2021-06-06 23:29:51,075 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 517 [2021-06-06 23:29:51,284 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 539 [2021-06-06 23:29:51,699 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 838 [2021-06-06 23:29:52,960 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1443 DAG size of output: 1339 [2021-06-06 23:29:54,339 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 463 [2021-06-06 23:29:55,212 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 840 DAG size of output: 797 [2021-06-06 23:29:56,092 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 517 [2021-06-06 23:29:56,548 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 833 [2021-06-06 23:29:56,929 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 868 [2021-06-06 23:29:57,710 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 359 [2021-06-06 23:29:58,285 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 764 [2021-06-06 23:29:59,163 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 1406 DAG size of output: 1344 [2021-06-06 23:30:00,287 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 1430 DAG size of output: 1366 [2021-06-06 23:30:02,035 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1817 DAG size of output: 1759 [2021-06-06 23:30:05,633 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 2794 DAG size of output: 2660 [2021-06-06 23:30:05,937 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 599 [2021-06-06 23:30:06,213 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 607 [2021-06-06 23:30:06,418 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 419 [2021-06-06 23:30:07,105 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 493 [2021-06-06 23:30:07,933 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 802 [2021-06-06 23:30:08,405 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 847 [2021-06-06 23:30:09,057 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 519 [2021-06-06 23:30:09,404 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 657 [2021-06-06 23:30:09,784 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 485 [2021-06-06 23:30:10,259 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 1047 DAG size of output: 1038 [2021-06-06 23:30:11,339 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1660 DAG size of output: 1625 [2021-06-06 23:30:12,726 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1840 DAG size of output: 1805 [2021-06-06 23:30:14,499 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1973 DAG size of output: 1929 [2021-06-06 23:30:15,346 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 510 [2021-06-06 23:30:15,611 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 701 [2021-06-06 23:30:15,963 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 731 [2021-06-06 23:30:16,752 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 550 [2021-06-06 23:30:16,988 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 640 [2021-06-06 23:30:17,289 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 691 [2021-06-06 23:30:18,033 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 1195 DAG size of output: 1153 [2021-06-06 23:30:21,042 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 2484 DAG size of output: 2420 [2021-06-06 23:30:24,781 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 2720 DAG size of output: 2653 [2021-06-06 23:30:29,359 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 2831 DAG size of output: 2763 [2021-06-06 23:30:38,303 WARN L205 SmtUtils]: Spent 8.93 s on a formula simplification. DAG size of input: 4633 DAG size of output: 4468 [2021-06-06 23:30:39,153 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 1370 DAG size of output: 1370 [2021-06-06 23:30:39,446 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 742 [2021-06-06 23:30:40,022 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 312 [2021-06-06 23:30:40,844 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 366 [2021-06-06 23:30:41,257 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 484 [2021-06-06 23:30:41,811 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 604 [2021-06-06 23:30:42,800 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 547 [2021-06-06 23:30:43,031 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 566 [2021-06-06 23:30:43,727 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 571 [2021-06-06 23:30:44,411 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 531 [2021-06-06 23:30:44,977 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 458 [2021-06-06 23:30:45,548 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 1147 DAG size of output: 1123 [2021-06-06 23:30:46,524 WARN L205 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 1444 [2021-06-06 23:30:47,783 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1557 DAG size of output: 1511 [2021-06-06 23:30:49,387 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 551 [2021-06-06 23:30:50,174 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 324 [2021-06-06 23:30:50,425 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 408 [2021-06-06 23:30:51,184 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 1048 DAG size of output: 952 [2021-06-06 23:30:53,427 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 2124 DAG size of output: 2009 [2021-06-06 23:30:53,708 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 610 [2021-06-06 23:30:53,814 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 449 [2021-06-06 23:30:54,496 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 381 [2021-06-06 23:30:54,693 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 484 [2021-06-06 23:30:55,237 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 301 [2021-06-06 23:30:55,612 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 633 [2021-06-06 23:30:56,350 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 507 [2021-06-06 23:30:57,113 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 484 [2021-06-06 23:30:57,756 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 529 [2021-06-06 23:30:58,354 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1131 [2021-06-06 23:30:59,006 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 480 [2021-06-06 23:30:59,196 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 489 [2021-06-06 23:30:59,913 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 449 [2021-06-06 23:31:00,396 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 299 [2021-06-06 23:31:01,678 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 995 [2021-06-06 23:31:03,441 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1991 DAG size of output: 1913 [2021-06-06 23:31:06,359 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 2215 DAG size of output: 2124 [2021-06-06 23:31:09,984 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 2390 DAG size of output: 2286 [2021-06-06 23:31:18,122 WARN L205 SmtUtils]: Spent 8.06 s on a formula simplification. DAG size of input: 4186 DAG size of output: 3873 [2021-06-06 23:31:18,254 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 490 [2021-06-06 23:31:19,179 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 540 [2021-06-06 23:31:19,373 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 555 [2021-06-06 23:31:19,995 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 503 [2021-06-06 23:31:20,346 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 645 [2021-06-06 23:31:20,775 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 456 [2021-06-06 23:31:21,137 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 448 [2021-06-06 23:31:21,320 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 451 [2021-06-06 23:31:21,643 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 596 [2021-06-06 23:31:22,356 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 929 [2021-06-06 23:31:23,495 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1301 DAG size of output: 1253 [2021-06-06 23:31:24,941 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1381 DAG size of output: 1325 [2021-06-06 23:31:26,605 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 488 [2021-06-06 23:31:27,051 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 360 [2021-06-06 23:31:27,575 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 312 [2021-06-06 23:31:27,883 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 526 [2021-06-06 23:31:28,750 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 1101 DAG size of output: 998 [2021-06-06 23:31:31,313 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 2163 DAG size of output: 2027 [2021-06-06 23:31:32,127 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 447 [2021-06-06 23:31:32,313 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 524 [2021-06-06 23:31:33,067 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 657 [2021-06-06 23:31:33,523 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 816 DAG size of output: 757 [2021-06-06 23:31:37,216 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 2419 DAG size of output: 2269 [2021-06-06 23:31:37,353 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 491 [2021-06-06 23:31:37,974 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 300 [2021-06-06 23:31:38,406 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 313 [2021-06-06 23:31:38,945 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 429 [2021-06-06 23:31:39,441 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 537 [2021-06-06 23:31:40,074 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 587 [2021-06-06 23:31:40,962 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 554 [2021-06-06 23:31:41,185 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 574 [2021-06-06 23:31:41,933 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 561 [2021-06-06 23:31:42,543 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 524 [2021-06-06 23:31:43,309 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 484 [2021-06-06 23:31:43,939 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 1189 DAG size of output: 1168 [2021-06-06 23:31:44,982 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1422 DAG size of output: 1383 [2021-06-06 23:31:46,316 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1499 DAG size of output: 1451 [2021-06-06 23:31:48,482 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 1915 DAG size of output: 1810 [2021-06-06 23:31:49,595 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 492 [2021-06-06 23:31:49,894 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 594 [2021-06-06 23:31:50,484 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 298 [2021-06-06 23:31:51,026 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 798 DAG size of output: 725 [2021-06-06 23:31:54,321 WARN L205 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 2274 DAG size of output: 2124 [2021-06-06 23:31:54,470 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 587 [2021-06-06 23:31:54,664 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 496 [2021-06-06 23:31:54,856 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 392 [2021-06-06 23:31:55,892 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 605 [2021-06-06 23:31:56,243 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 785 [2021-06-06 23:31:56,732 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 927 [2021-06-06 23:31:57,290 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 389 [2021-06-06 23:31:57,619 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 478 [2021-06-06 23:31:58,002 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 413 [2021-06-06 23:31:58,530 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 586 [2021-06-06 23:31:59,074 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 864 [2021-06-06 23:31:59,766 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 1010 DAG size of output: 911 [2021-06-06 23:32:01,100 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1757 DAG size of output: 1653 [2021-06-06 23:32:02,822 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1848 DAG size of output: 1742 [2021-06-06 23:32:03,379 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 396 [2021-06-06 23:32:03,812 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 331 [2021-06-06 23:32:04,073 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 638 [2021-06-06 23:32:04,426 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 745 DAG size of output: 673 [2021-06-06 23:32:05,206 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 436 [2021-06-06 23:32:05,663 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 769 DAG size of output: 625 [2021-06-06 23:32:06,408 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1069 [2021-06-06 23:32:07,144 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 410 [2021-06-06 23:32:08,186 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1528 DAG size of output: 1280 [2021-06-06 23:32:11,229 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 2895 DAG size of output: 2585 [2021-06-06 23:32:32,716 WARN L205 SmtUtils]: Spent 21.47 s on a formula simplification. DAG size of input: 7954 DAG size of output: 7266 [2021-06-06 23:33:07,491 WARN L205 SmtUtils]: Spent 34.74 s on a formula simplification. DAG size of input: 11242 DAG size of output: 10451 [2021-06-06 23:33:59,492 WARN L205 SmtUtils]: Spent 51.94 s on a formula simplification. DAG size of input: 14913 DAG size of output: 13401 [2021-06-06 23:34:01,767 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1514 DAG size of output: 1943 [2021-06-06 23:34:02,755 WARN L205 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 1509 DAG size of output: 1509 [2021-06-06 23:34:03,215 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 789 [2021-06-06 23:34:03,440 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 654 [2021-06-06 23:34:03,545 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 364 [2021-06-06 23:34:04,407 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 510 [2021-06-06 23:34:04,649 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 660 DAG size of output: 595 [2021-06-06 23:34:04,953 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 626 [2021-06-06 23:34:05,628 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 502 [2021-06-06 23:34:05,845 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 523 [2021-06-06 23:34:06,450 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 371 [2021-06-06 23:34:06,918 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 448 [2021-06-06 23:34:07,062 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 500 [2021-06-06 23:34:07,875 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 875 [2021-06-06 23:34:08,428 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 924 [2021-06-06 23:34:09,761 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1516 DAG size of output: 1442 [2021-06-06 23:34:11,439 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1614 DAG size of output: 1534 [2021-06-06 23:34:13,503 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1622 DAG size of output: 1542 [2021-06-06 23:34:13,798 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 650 [2021-06-06 23:34:14,045 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 602 [2021-06-06 23:34:14,955 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 465 [2021-06-06 23:34:15,296 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 644 [2021-06-06 23:34:15,601 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 857 DAG size of output: 804 [2021-06-06 23:34:16,129 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 375 [2021-06-06 23:34:17,493 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 363 [2021-06-06 23:34:17,833 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 569 [2021-06-06 23:34:18,539 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 919 [2021-06-06 23:34:19,761 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1529 DAG size of output: 1433 [2021-06-06 23:34:20,634 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 511 [2021-06-06 23:34:20,897 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 757 DAG size of output: 705 [2021-06-06 23:34:21,252 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 766 [2021-06-06 23:34:22,103 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 378 [2021-06-06 23:34:22,365 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 515 [2021-06-06 23:34:23,101 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 602 [2021-06-06 23:34:23,352 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 633 [2021-06-06 23:34:23,918 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 928 DAG size of output: 866 [2021-06-06 23:34:24,640 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 939 [2021-06-06 23:34:27,424 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 2219 DAG size of output: 2076 [2021-06-06 23:34:30,914 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 2378 DAG size of output: 2224 [2021-06-06 23:34:35,216 WARN L205 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 2459 DAG size of output: 2298 [2021-06-06 23:34:42,592 WARN L205 SmtUtils]: Spent 7.36 s on a formula simplification. DAG size of input: 3506 DAG size of output: 3277 [2021-06-06 23:34:51,420 WARN L205 SmtUtils]: Spent 8.81 s on a formula simplification. DAG size of input: 3747 DAG size of output: 3513 [2021-06-06 23:34:52,029 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 1168 [2021-06-06 23:34:52,403 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 931 [2021-06-06 23:34:53,485 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 549 [2021-06-06 23:34:54,045 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 435 [2021-06-06 23:34:54,441 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 769 [2021-06-06 23:34:55,308 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 872 [2021-06-06 23:34:56,059 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 957 [2021-06-06 23:34:57,011 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1047 [2021-06-06 23:34:57,122 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 418 [2021-06-06 23:34:57,809 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 504 [2021-06-06 23:34:57,958 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 504 [2021-06-06 23:34:58,420 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 514 [2021-06-06 23:34:58,992 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 475 [2021-06-06 23:34:59,446 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 676 [2021-06-06 23:35:00,298 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 686 [2021-06-06 23:35:00,743 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 455 [2021-06-06 23:35:00,875 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 458 [2021-06-06 23:35:01,333 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 474 [2021-06-06 23:35:01,615 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 481 [2021-06-06 23:35:02,014 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 628 [2021-06-06 23:35:03,254 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 996 DAG size of output: 963 [2021-06-06 23:35:03,820 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 371 [2021-06-06 23:35:03,960 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 405 [2021-06-06 23:35:04,145 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 425 [2021-06-06 23:35:05,856 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1259 DAG size of output: 1183 [2021-06-06 23:35:07,996 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 1352 DAG size of output: 1275 [2021-06-06 23:35:11,613 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 2329 DAG size of output: 2078 [2021-06-06 23:35:11,746 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 510 [2021-06-06 23:35:12,481 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 470 [2021-06-06 23:35:12,654 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 509 [2021-06-06 23:35:13,402 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 537 [2021-06-06 23:35:13,634 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 551 [2021-06-06 23:35:14,101 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 970 DAG size of output: 949 [2021-06-06 23:35:14,733 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 1083 [2021-06-06 23:35:15,551 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 1138 DAG size of output: 1108 [2021-06-06 23:35:16,728 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 410 [2021-06-06 23:35:16,953 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 483 [2021-06-06 23:35:17,264 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 596 [2021-06-06 23:35:18,070 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 345 [2021-06-06 23:35:18,597 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 373 [2021-06-06 23:35:19,219 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 668 [2021-06-06 23:35:19,878 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 920 DAG size of output: 839 [2021-06-06 23:35:20,649 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 349 [2021-06-06 23:35:20,878 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 575 [2021-06-06 23:35:22,504 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1211 DAG size of output: 1099 [2021-06-06 23:35:25,351 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 1953 DAG size of output: 1842 [2021-06-06 23:35:26,579 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 576 [2021-06-06 23:35:26,882 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 737 [2021-06-06 23:35:27,279 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 759 [2021-06-06 23:35:27,715 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 876 DAG size of output: 804 [2021-06-06 23:35:28,281 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 865 [2021-06-06 23:35:28,964 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 560 [2021-06-06 23:35:29,445 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 780 DAG size of output: 729 [2021-06-06 23:35:29,790 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 768 [2021-06-06 23:35:30,234 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 780 [2021-06-06 23:35:31,466 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 526 [2021-06-06 23:35:32,038 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 681 [2021-06-06 23:35:32,548 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 829 [2021-06-06 23:35:34,410 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1577 DAG size of output: 1476 [2021-06-06 23:35:35,160 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 384 [2021-06-06 23:35:35,332 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 394 [2021-06-06 23:35:35,766 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 357 [2021-06-06 23:35:36,116 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 524 [2021-06-06 23:35:36,567 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 546 [2021-06-06 23:35:37,106 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 454 [2021-06-06 23:35:37,275 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 483 [2021-06-06 23:35:37,502 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 530 [2021-06-06 23:35:38,287 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 928 [2021-06-06 23:35:39,262 WARN L205 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 1064 DAG size of output: 976 [2021-06-06 23:35:42,544 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 2363 DAG size of output: 2196 [2021-06-06 23:35:53,773 WARN L205 SmtUtils]: Spent 11.22 s on a formula simplification. DAG size of input: 5241 DAG size of output: 4847 [2021-06-06 23:35:54,001 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 621 [2021-06-06 23:35:54,145 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 435 [2021-06-06 23:35:54,994 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 571 [2021-06-06 23:35:55,242 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 677 [2021-06-06 23:35:55,982 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 378 [2021-06-06 23:35:56,237 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 388 [2021-06-06 23:35:57,069 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 565 [2021-06-06 23:35:57,727 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 1264 DAG size of output: 1122 [2021-06-06 23:35:58,367 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 449 [2021-06-06 23:35:58,878 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 329 [2021-06-06 23:35:59,356 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 904 [2021-06-06 23:35:59,958 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 481 [2021-06-06 23:36:00,363 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 611 [2021-06-06 23:36:00,906 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 378 [2021-06-06 23:36:01,825 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 454 [2021-06-06 23:36:02,002 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 487 [2021-06-06 23:36:02,444 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 854 [2021-06-06 23:36:03,281 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 1289 DAG size of output: 1210 [2021-06-06 23:36:05,659 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2358 [2021-06-06 23:36:08,630 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 2794 DAG size of output: 2535 [2021-06-06 23:36:12,296 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 3013 DAG size of output: 2752 [2021-06-06 23:36:29,717 WARN L205 SmtUtils]: Spent 17.40 s on a formula simplification. DAG size of input: 6839 DAG size of output: 6372 [2021-06-06 23:36:59,307 WARN L205 SmtUtils]: Spent 29.56 s on a formula simplification. DAG size of input: 8895 DAG size of output: 8305 [2021-06-06 23:37:34,589 WARN L205 SmtUtils]: Spent 35.24 s on a formula simplification. DAG size of input: 9210 DAG size of output: 8571 [2021-06-06 23:39:17,209 WARN L205 SmtUtils]: Spent 1.71 m on a formula simplification. DAG size of input: 20859 DAG size of output: 18875 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown