/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 01:00:37,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 01:00:37,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 01:00:37,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 01:00:37,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 01:00:37,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 01:00:37,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 01:00:37,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 01:00:37,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 01:00:37,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 01:00:37,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 01:00:37,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 01:00:37,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 01:00:37,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 01:00:37,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 01:00:37,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 01:00:37,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 01:00:37,627 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-17 01:00:37,661 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 01:00:37,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 01:00:37,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 01:00:37,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 01:00:37,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 01:00:37,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 01:00:37,663 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 01:00:37,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 01:00:37,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 01:00:37,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 01:00:37,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 01:00:37,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 01:00:37,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 01:00:37,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 01:00:37,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 01:00:37,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 01:00:37,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 01:00:37,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 01:00:37,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 01:00:37,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 01:00:37,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 01:00:37,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 01:00:37,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 01:00:37,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 01:00:37,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 01:00:37,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 01:00:37,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 01:00:37,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 01:00:37,666 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 01:00:37,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 01:00:37,666 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 01:00:37,666 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 01:00:37,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 01:00:37,667 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-17 01:00:37,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 01:00:37,667 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 01:00:37,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 01:00:37,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 01:00:37,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 01:00:37,996 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 01:00:37,997 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 01:00:37,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2021-06-17 01:00:37,998 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2021-06-17 01:00:38,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 01:00:38,018 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 01:00:38,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 01:00:38,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 01:00:38,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 01:00:38,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/1) ... [2021-06-17 01:00:38,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/1) ... [2021-06-17 01:00:38,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 01:00:38,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 01:00:38,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 01:00:38,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 01:00:38,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/1) ... [2021-06-17 01:00:38,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/1) ... [2021-06-17 01:00:38,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/1) ... [2021-06-17 01:00:38,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/1) ... [2021-06-17 01:00:38,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/1) ... [2021-06-17 01:00:38,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/1) ... [2021-06-17 01:00:38,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/1) ... [2021-06-17 01:00:38,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 01:00:38,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 01:00:38,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 01:00:38,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 01:00:38,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 01:00:38,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 01:00:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 01:00:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 01:00:38,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 01:00:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 01:00:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 01:00:38,140 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 01:00:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 01:00:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 01:00:38,140 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 01:00:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 01:00:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 01:00:38,141 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 01:00:38,329 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 01:00:38,329 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 01:00:38,330 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:00:38 BoogieIcfgContainer [2021-06-17 01:00:38,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 01:00:38,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 01:00:38,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 01:00:38,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 01:00:38,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:00:38" (1/2) ... [2021-06-17 01:00:38,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682b83ba and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 01:00:38, skipping insertion in model container [2021-06-17 01:00:38,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:00:38" (2/2) ... [2021-06-17 01:00:38,337 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2021-06-17 01:00:38,361 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 01:00:38,361 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 01:00:38,362 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 01:00:38,362 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 01:00:38,408 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 01:00:38,435 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 [2021-06-17 01:00:38,480 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 01:00:38,481 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 01:00:38,481 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 01:00:38,481 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 01:00:38,481 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 01:00:38,481 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 01:00:38,481 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 01:00:38,481 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 01:00:38,574 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:38,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:38,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2097392969, now seen corresponding path program 1 times [2021-06-17 01:00:38,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:38,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753182173] [2021-06-17 01:00:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 01:00:38,754 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:38,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753182173] [2021-06-17 01:00:38,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753182173] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 01:00:38,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 01:00:38,755 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 01:00:38,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517351370] [2021-06-17 01:00:38,759 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 01:00:38,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:38,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 01:00:38,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 01:00:38,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:38,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:38,779 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) [2021-06-17 01:00:38,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:38,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:38,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 01:00:38,848 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:38,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:38,851 INFO L82 PathProgramCache]: Analyzing trace with hash -680271139, now seen corresponding path program 1 times [2021-06-17 01:00:38,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:38,851 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242926352] [2021-06-17 01:00:38,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:39,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:39,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242926352] [2021-06-17 01:00:39,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242926352] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:39,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248480694] [2021-06-17 01:00:39,138 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 [2021-06-17 01:00:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:39,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 01:00:39,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:00:39,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:00:39,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-17 01:00:39,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:00:39,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:00:39,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:00:39,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-06-17 01:00:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:39,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248480694] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:39,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:00:39,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 01:00:39,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671404186] [2021-06-17 01:00:39,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 01:00:39,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:39,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 01:00:39,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-17 01:00:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:39,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:39,520 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 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) [2021-06-17 01:00:39,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:39,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:39,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:39,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:00:39,929 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:39,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:39,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1091492933, now seen corresponding path program 1 times [2021-06-17 01:00:39,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:39,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662635103] [2021-06-17 01:00:39,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:39,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:39,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662635103] [2021-06-17 01:00:39,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662635103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:39,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915860855] [2021-06-17 01:00:39,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:00:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:40,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 01:00:40,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:00:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:40,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915860855] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:40,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:00:40,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-17 01:00:40,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198885849] [2021-06-17 01:00:40,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 01:00:40,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:40,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 01:00:40,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-17 01:00:40,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:40,104 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:40,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2021-06-17 01:00:40,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:40,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:40,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 01:00:40,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:00:40,366 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:40,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:40,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1831110405, now seen corresponding path program 2 times [2021-06-17 01:00:40,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:40,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022336574] [2021-06-17 01:00:40,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:40,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:40,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022336574] [2021-06-17 01:00:40,431 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022336574] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:40,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105649784] [2021-06-17 01:00:40,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:00:40,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 01:00:40,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:00:40,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 01:00:40,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:00:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:40,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105649784] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:40,689 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:00:40,690 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-17 01:00:40,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417632831] [2021-06-17 01:00:40,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 01:00:40,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:40,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 01:00:40,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-17 01:00:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:40,693 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:40,693 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 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) [2021-06-17 01:00:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 01:00:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:41,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:00:41,113 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:41,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:41,113 INFO L82 PathProgramCache]: Analyzing trace with hash 2027517141, now seen corresponding path program 2 times [2021-06-17 01:00:41,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:41,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260212783] [2021-06-17 01:00:41,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:41,424 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:41,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260212783] [2021-06-17 01:00:41,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260212783] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:41,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922807023] [2021-06-17 01:00:41,425 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 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 [2021-06-17 01:00:41,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 01:00:41,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:00:41,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 01:00:41,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:00:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:41,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:00:41,669 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-06-17 01:00:41,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:00:41,674 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:00:41,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:00:41,677 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-06-17 01:00:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:41,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922807023] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:41,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:00:41,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2021-06-17 01:00:41,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549089506] [2021-06-17 01:00:41,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 01:00:41,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:41,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 01:00:41,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-06-17 01:00:41,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:41,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:41,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 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) [2021-06-17 01:00:41,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:41,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:41,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:41,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:41,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:42,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 01:00:42,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:00:42,306 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:42,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:42,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1898212595, now seen corresponding path program 3 times [2021-06-17 01:00:42,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:42,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698838753] [2021-06-17 01:00:42,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:42,356 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:42,356 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698838753] [2021-06-17 01:00:42,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698838753] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:42,356 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217324619] [2021-06-17 01:00:42,356 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 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 [2021-06-17 01:00:42,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 01:00:42,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:00:42,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 01:00:42,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:00:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:42,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217324619] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:42,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:00:42,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-06-17 01:00:42,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562108614] [2021-06-17 01:00:42,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 01:00:42,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:42,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 01:00:42,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-06-17 01:00:42,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:42,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:42,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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) [2021-06-17 01:00:42,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:42,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:42,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:42,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:42,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 01:00:42,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:42,865 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:00:42,866 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:42,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:42,866 INFO L82 PathProgramCache]: Analyzing trace with hash -390772019, now seen corresponding path program 4 times [2021-06-17 01:00:42,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:42,866 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153740282] [2021-06-17 01:00:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:43,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:43,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153740282] [2021-06-17 01:00:43,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153740282] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:43,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378636105] [2021-06-17 01:00:43,170 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 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 [2021-06-17 01:00:43,228 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 01:00:43,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:00:43,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-17 01:00:43,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:00:43,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:00:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:43,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:43,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-06-17 01:00:43,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:00:43,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:00:43,588 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:00:43,588 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:3 [2021-06-17 01:00:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:43,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378636105] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:43,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:00:43,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2021-06-17 01:00:43,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731723246] [2021-06-17 01:00:43,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 01:00:43,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:43,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 01:00:43,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2021-06-17 01:00:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:43,606 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:43,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 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) [2021-06-17 01:00:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:43,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:00:44,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:00:44,624 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:44,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:44,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1169857339, now seen corresponding path program 5 times [2021-06-17 01:00:44,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:44,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103519645] [2021-06-17 01:00:44,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:45,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:45,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103519645] [2021-06-17 01:00:45,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103519645] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:45,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186430254] [2021-06-17 01:00:45,053 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 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 [2021-06-17 01:00:45,088 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-17 01:00:45,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:00:45,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-17 01:00:45,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:00:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:45,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:00:45,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-06-17 01:00:45,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:00:45,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:00:45,413 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:00:45,414 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:3 [2021-06-17 01:00:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:45,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186430254] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:45,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:00:45,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-06-17 01:00:45,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786585796] [2021-06-17 01:00:45,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-17 01:00:45,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:45,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-17 01:00:45,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2021-06-17 01:00:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:45,440 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:45,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 26 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 01:00:45,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:45,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:45,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:45,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:45,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:45,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:45,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:00:45,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:47,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:47,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:47,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:47,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:47,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:47,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:00:47,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 01:00:47,910 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-17 01:00:47,911 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:47,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:47,911 INFO L82 PathProgramCache]: Analyzing trace with hash 550306547, now seen corresponding path program 1 times [2021-06-17 01:00:47,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:47,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340932073] [2021-06-17 01:00:47,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-06-17 01:00:47,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:47,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340932073] [2021-06-17 01:00:47,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340932073] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 01:00:47,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 01:00:47,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 01:00:47,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631552819] [2021-06-17 01:00:47,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 01:00:47,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:47,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 01:00:47,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 01:00:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:47,942 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:47,942 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) [2021-06-17 01:00:47,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:47,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:47,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:47,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:47,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:47,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:47,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:00:47,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 01:00:47,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:00:48,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:00:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:00:48,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-17 01:00:48,088 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:48,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:48,088 INFO L82 PathProgramCache]: Analyzing trace with hash 412830381, now seen corresponding path program 6 times [2021-06-17 01:00:48,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:48,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953663476] [2021-06-17 01:00:48,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:48,636 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-17 01:00:48,636 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:48,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953663476] [2021-06-17 01:00:48,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953663476] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:48,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943385695] [2021-06-17 01:00:48,637 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 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 [2021-06-17 01:00:48,694 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-17 01:00:48,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:00:48,696 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-17 01:00:48,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:00:49,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:49,536 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:00:49,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 33 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 49 [2021-06-17 01:00:49,545 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-17 01:00:49,566 INFO L628 ElimStorePlain]: treesize reduction 4, result has 88.6 percent of original size [2021-06-17 01:00:49,576 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 01:00:49,576 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:73, output treesize:26 [2021-06-17 01:00:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:49,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943385695] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:49,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:00:49,647 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 24] total 38 [2021-06-17 01:00:49,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202615233] [2021-06-17 01:00:49,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-17 01:00:49,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:49,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-17 01:00:49,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1214, Unknown=0, NotChecked=0, Total=1406 [2021-06-17 01:00:49,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:49,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:49,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.1052631578947367) internal successors, (80), 38 states have internal predecessors, (80), 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) [2021-06-17 01:00:49,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:49,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:49,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:49,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:49,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:49,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:49,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:00:49,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:00:49,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:00:49,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:52,581 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-06-17 01:00:53,295 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2021-06-17 01:00:54,348 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-06-17 01:00:55,167 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2021-06-17 01:00:55,589 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-06-17 01:00:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:00:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:00:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:00:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:00:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:00:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:00:55,826 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:00:55,827 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:00:55,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:00:55,827 INFO L82 PathProgramCache]: Analyzing trace with hash 2071869881, now seen corresponding path program 7 times [2021-06-17 01:00:55,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:00:55,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865559460] [2021-06-17 01:00:55,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:00:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-06-17 01:00:56,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:00:56,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865559460] [2021-06-17 01:00:56,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865559460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:56,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675834197] [2021-06-17 01:00:56,217 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 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 [2021-06-17 01:00:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:00:56,255 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-06-17 01:00:56,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:00:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:57,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:00:57,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:57,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:57,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:57,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:57,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:00:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:00:57,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 25 [2021-06-17 01:00:57,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:00:57,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:00:57,088 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:00:57,089 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:3 [2021-06-17 01:00:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:00:57,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675834197] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:00:57,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:00:57,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 24] total 38 [2021-06-17 01:00:57,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645995609] [2021-06-17 01:00:57,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-17 01:00:57,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:00:57,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-17 01:00:57,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1261, Unknown=0, NotChecked=0, Total=1406 [2021-06-17 01:00:57,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:00:57,109 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:00:57,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.210526315789474) internal successors, (84), 38 states have internal predecessors, (84), 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) [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:00:57,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:00,409 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-06-17 01:01:00,751 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2021-06-17 01:01:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:01:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:03,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:03,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:03,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:01:03,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:01:03,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 01:01:03,222 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:03,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:03,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1878010899, now seen corresponding path program 8 times [2021-06-17 01:01:03,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:03,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81257632] [2021-06-17 01:01:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 52 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-06-17 01:01:03,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:03,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81257632] [2021-06-17 01:01:03,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81257632] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:03,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833335197] [2021-06-17 01:01:03,285 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 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 [2021-06-17 01:01:03,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 01:01:03,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:01:03,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-17 01:01:03,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 28 proven. 33 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-06-17 01:01:03,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833335197] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:03,509 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:03,509 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 16 [2021-06-17 01:01:03,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020679035] [2021-06-17 01:01:03,509 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 01:01:03,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:03,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 01:01:03,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-06-17 01:01:03,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:03,510 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:03,510 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 01:01:03,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:03,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:03,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:01:03,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:03,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:03,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:03,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:03,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:03,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:03,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:01:03,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:01:03,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:01:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:01:03,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:04,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-17 01:01:04,013 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:04,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:04,013 INFO L82 PathProgramCache]: Analyzing trace with hash 848638449, now seen corresponding path program 9 times [2021-06-17 01:01:04,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:04,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183798429] [2021-06-17 01:01:04,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 1 proven. 133 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-06-17 01:01:04,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:04,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183798429] [2021-06-17 01:01:04,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183798429] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:04,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103710165] [2021-06-17 01:01:04,505 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 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 [2021-06-17 01:01:04,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-17 01:01:04,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:01:04,556 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2021-06-17 01:01:04,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:05,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:01:05,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:01:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:05,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 01:01:05,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 29 [2021-06-17 01:01:05,887 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 01:01:05,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:01:05,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 01:01:05,894 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:94, output treesize:13 [2021-06-17 01:01:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 01:01:05,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103710165] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:05,951 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:05,952 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 31] total 47 [2021-06-17 01:01:05,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213498741] [2021-06-17 01:01:05,952 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-17 01:01:05,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:05,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-17 01:01:05,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1939, Unknown=0, NotChecked=0, Total=2162 [2021-06-17 01:01:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:05,953 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:05,953 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.0851063829787235) internal successors, (98), 47 states have internal predecessors, (98), 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) [2021-06-17 01:01:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:01:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:05,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:01:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:01:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:05,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:01:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:11,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-06-17 01:01:11,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-17 01:01:11,729 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:11,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:11,729 INFO L82 PathProgramCache]: Analyzing trace with hash 441701447, now seen corresponding path program 10 times [2021-06-17 01:01:11,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:11,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458649461] [2021-06-17 01:01:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 16 proven. 105 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-06-17 01:01:11,815 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:11,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458649461] [2021-06-17 01:01:11,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458649461] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:11,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942417131] [2021-06-17 01:01:11,816 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 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 [2021-06-17 01:01:11,861 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 01:01:11,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:01:11,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-17 01:01:11,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 16 proven. 97 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-06-17 01:01:12,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942417131] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:12,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 01:01:12,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 17 [2021-06-17 01:01:12,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867198275] [2021-06-17 01:01:12,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 01:01:12,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 01:01:12,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 01:01:12,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2021-06-17 01:01:12,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:12,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 01:01:12,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 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) [2021-06-17 01:01:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:01:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:12,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:01:12,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:01:12,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:12,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-06-17 01:01:12,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 01:01:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 01:01:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 01:01:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 01:01:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 01:01:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 01:01:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 01:01:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 01:01:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 01:01:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-17 01:01:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-17 01:01:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 01:01:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-06-17 01:01:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 01:01:12,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-17 01:01:12,701 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 01:01:12,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 01:01:12,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1038198057, now seen corresponding path program 11 times [2021-06-17 01:01:12,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 01:01:12,701 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427445253] [2021-06-17 01:01:12,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 01:01:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 01:01:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 4 proven. 178 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-06-17 01:01:13,215 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 01:01:13,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427445253] [2021-06-17 01:01:13,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427445253] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 01:01:13,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10612168] [2021-06-17 01:01:13,215 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 01:01:13,259 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-17 01:01:13,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 01:01:13,261 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 111 conjunts are in the unsatisfiable core [2021-06-17 01:01:13,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 01:01:14,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 01:01:15,792 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2021-06-17 01:01:15,792 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 01:01:15,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 54 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 82 case distinctions, treesize of input 97 treesize of output 827 [2021-06-17 01:01:16,083 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 630 [2021-06-17 01:01:16,358 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 657 [2021-06-17 01:01:19,768 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 4903 DAG size of output: 2772 [2021-06-17 01:01:23,227 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 4928 DAG size of output: 2797 [2021-06-17 01:01:50,650 WARN L205 SmtUtils]: Spent 25.58 s on a formula simplification. DAG size of input: 25208 DAG size of output: 12032 [2021-06-17 01:02:18,758 WARN L205 SmtUtils]: Spent 27.34 s on a formula simplification. DAG size of input: 25230 DAG size of output: 12052 [2021-06-17 01:03:04,714 WARN L205 SmtUtils]: Spent 45.86 s on a formula simplification. DAG size of input: 11158 DAG size of output: 11641 [2021-06-17 01:03:51,525 WARN L205 SmtUtils]: Spent 46.67 s on a formula simplification. DAG size of input: 11142 DAG size of output: 12211 [2021-06-17 01:04:11,761 WARN L205 SmtUtils]: Spent 20.11 s on a formula simplification. DAG size of input: 11136 DAG size of output: 11136 [2021-06-17 01:04:48,647 WARN L205 SmtUtils]: Spent 36.77 s on a formula simplification. DAG size of input: 9911 DAG size of output: 9993 [2021-06-17 01:05:26,535 WARN L205 SmtUtils]: Spent 37.78 s on a formula simplification. DAG size of input: 9907 DAG size of output: 10147 [2021-06-17 01:06:04,446 WARN L205 SmtUtils]: Spent 37.76 s on a formula simplification. DAG size of input: 9902 DAG size of output: 9902 [2021-06-17 01:06:05,594 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1850 DAG size of output: 1850 [2021-06-17 01:06:05,876 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 463 [2021-06-17 01:06:06,442 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 565 [2021-06-17 01:06:06,590 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 609 [2021-06-17 01:06:06,874 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 723 [2021-06-17 01:06:07,218 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 992 DAG size of output: 781 [2021-06-17 01:06:09,156 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1644 DAG size of output: 1859 [2021-06-17 01:06:09,815 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 1503 DAG size of output: 1503 [2021-06-17 01:06:10,396 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 499 [2021-06-17 01:06:10,570 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 559 [2021-06-17 01:06:11,039 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 1303 DAG size of output: 1303 [2021-06-17 01:06:11,587 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 615 [2021-06-17 01:06:11,770 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 763 [2021-06-17 01:06:12,555 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 1122 DAG size of output: 1192 [2021-06-17 01:06:13,654 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 2023 DAG size of output: 1600 [2021-06-17 01:06:14,819 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 2597 DAG size of output: 2027 [2021-06-17 01:06:16,492 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 3094 DAG size of output: 2397 [2021-06-17 01:06:19,454 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 3747 DAG size of output: 2946 [2021-06-17 01:06:23,362 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 4383 DAG size of output: 3398 [2021-06-17 01:06:25,989 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 1838 DAG size of output: 1949 [2021-06-17 01:06:26,908 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 1772 DAG size of output: 1772 [2021-06-17 01:06:28,441 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1543 DAG size of output: 1609 [2021-06-17 01:06:29,127 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 840 DAG size of output: 694 [2021-06-17 01:06:29,347 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1048 DAG size of output: 886 [2021-06-17 01:06:29,674 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 1093 [2021-06-17 01:06:29,786 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 387 [2021-06-17 01:06:30,189 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 547 [2021-06-17 01:06:33,000 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 4543 DAG size of output: 3336 [2021-06-17 01:06:33,276 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 397 [2021-06-17 01:06:33,444 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 457 [2021-06-17 01:06:33,633 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 494 [2021-06-17 01:06:33,853 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 537 [2021-06-17 01:06:37,080 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 5089 DAG size of output: 3642 [2021-06-17 01:06:42,100 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 5880 DAG size of output: 4259 [2021-06-17 01:06:42,990 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 1194 DAG size of output: 1355 [2021-06-17 01:06:43,528 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 1088 [2021-06-17 01:06:44,695 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1558 [2021-06-17 01:06:45,914 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 2404 DAG size of output: 2088 [2021-06-17 01:06:46,542 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 1101 DAG size of output: 1147 [2021-06-17 01:06:47,663 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1782 [2021-06-17 01:06:48,527 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1366 [2021-06-17 01:06:49,904 WARN L205 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 2670 DAG size of output: 1977 [2021-06-17 01:06:50,315 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 815 [2021-06-17 01:06:50,617 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 804 [2021-06-17 01:06:50,835 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 627 [2021-06-17 01:06:51,000 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 639 [2021-06-17 01:06:51,390 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1146 DAG size of output: 942 [2021-06-17 01:06:51,785 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 1476 DAG size of output: 1264 [2021-06-17 01:06:52,431 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 1911 DAG size of output: 1689 [2021-06-17 01:06:53,458 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 2299 DAG size of output: 2063 [2021-06-17 01:06:53,747 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 699 [2021-06-17 01:06:54,005 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 711 [2021-06-17 01:06:54,630 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 915 DAG size of output: 818 [2021-06-17 01:06:55,070 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1130 [2021-06-17 01:06:55,484 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1545 [2021-06-17 01:06:56,135 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 2113 DAG size of output: 1929 [2021-06-17 01:06:56,417 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 761 [2021-06-17 01:06:56,884 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1265 DAG size of output: 1034 [2021-06-17 01:06:57,203 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 768 [2021-06-17 01:06:57,460 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 818 [2021-06-17 01:06:58,238 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 588 [2021-06-17 01:06:58,922 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 700 [2021-06-17 01:06:59,308 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 1185 [2021-06-17 01:06:59,766 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 719 DAG size of output: 561 [2021-06-17 01:07:00,398 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 985 DAG size of output: 1154 [2021-06-17 01:07:01,245 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 1733 DAG size of output: 1376 [2021-06-17 01:07:02,128 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 2246 DAG size of output: 1757 [2021-06-17 01:07:02,716 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 1355 DAG size of output: 1355 [2021-06-17 01:07:03,326 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 404 [2021-06-17 01:07:03,543 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 503 [2021-06-17 01:07:03,831 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 552 [2021-06-17 01:07:04,787 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 1194 DAG size of output: 1212 [2021-06-17 01:07:05,424 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 742 [2021-06-17 01:07:05,634 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1124 DAG size of output: 885 [2021-06-17 01:07:07,391 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 3141 DAG size of output: 2326 [2021-06-17 01:07:09,339 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 3540 DAG size of output: 2653 [2021-06-17 01:07:11,150 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1381 DAG size of output: 1418 [2021-06-17 01:07:11,812 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-06-17 01:07:12,240 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 1077 [2021-06-17 01:07:12,551 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 946 [2021-06-17 01:07:12,837 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 407 [2021-06-17 01:07:13,045 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 764 DAG size of output: 764 [2021-06-17 01:07:13,605 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 919 DAG size of output: 764 [2021-06-17 01:07:13,740 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 601 [2021-06-17 01:07:14,343 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 665 [2021-06-17 01:07:14,789 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 1181 DAG size of output: 872 [2021-06-17 01:07:15,344 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 1878 DAG size of output: 1345 [2021-06-17 01:07:16,146 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 2211 DAG size of output: 1612 [2021-06-17 01:07:17,326 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 2423 DAG size of output: 1764 [2021-06-17 01:07:17,505 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 397 [2021-06-17 01:07:17,894 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 543 [2021-06-17 01:07:18,055 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 561 [2021-06-17 01:07:19,940 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 3156 DAG size of output: 2208 [2021-06-17 01:07:23,088 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 3573 DAG size of output: 2611 [2021-06-17 01:08:31,435 WARN L205 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 31705 DAG size of output: 24019 [2021-06-17 01:10:05,412 WARN L205 SmtUtils]: Spent 1.56 m on a formula simplification. DAG size of input: 35985 DAG size of output: 27854 [2021-06-17 01:12:09,544 WARN L205 SmtUtils]: Spent 2.06 m on a formula simplification. DAG size of input: 40914 DAG size of output: 31950 [2021-06-17 01:12:12,215 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1742 DAG size of output: 1777 [2021-06-17 01:12:14,539 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1738 DAG size of output: 1937 [2021-06-17 01:12:16,375 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1507 DAG size of output: 1548 [2021-06-17 01:12:18,216 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1503 DAG size of output: 1503 [2021-06-17 01:12:19,803 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1497 DAG size of output: 1639 [2021-06-17 01:12:20,503 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 446 [2021-06-17 01:12:20,789 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 608 [2021-06-17 01:12:22,762 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 3242 DAG size of output: 2491 [2021-06-17 01:12:25,847 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 3922 DAG size of output: 3004 [2021-06-17 01:12:30,230 WARN L205 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 4596 DAG size of output: 3606 [2021-06-17 01:12:36,448 WARN L205 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 5013 DAG size of output: 4007 [2021-06-17 01:12:44,801 WARN L205 SmtUtils]: Spent 8.33 s on a formula simplification. DAG size of input: 5755 DAG size of output: 4595 Received shutdown request... [2021-06-17 01:15:12,180 WARN L205 SmtUtils]: Spent 2.45 m on a formula simplification. DAG size of input: 45288 DAG size of output: 35161 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown