/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 16:36:43,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 16:36:43,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 16:36:43,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 16:36:43,668 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.epf [2021-06-13 16:36:43,692 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 16:36:43,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 16:36:43,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 16:36:43,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 16:36:43,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 16:36:43,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 16:36:43,695 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 16:36:43,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 16:36:43,695 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 16:36:43,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 16:36:43,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 16:36:43,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 16:36:43,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 16:36:43,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 16:36:43,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 16:36:43,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 16:36:43,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 16:36:43,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 16:36:43,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 16:36:43,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 16:36:43,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 16:36:43,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 16:36:43,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 16:36:43,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 16:36:43,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 16:36:43,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 16:36:43,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 16:36:43,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 16:36:43,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 16:36:43,698 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 16:36:43,698 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 16:36:43,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 16:36:43,698 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 16:36:43,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 16:36:43,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 16:36:43,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 16:36:43,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 16:36:43,947 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 16:36:43,948 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 16:36:43,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl [2021-06-13 16:36:43,962 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl' [2021-06-13 16:36:43,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 16:36:43,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 16:36:43,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 16:36:43,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 16:36:43,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 16:36:43,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (1/1) ... [2021-06-13 16:36:43,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (1/1) ... [2021-06-13 16:36:44,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 16:36:44,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 16:36:44,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 16:36:44,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 16:36:44,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (1/1) ... [2021-06-13 16:36:44,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (1/1) ... [2021-06-13 16:36:44,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (1/1) ... [2021-06-13 16:36:44,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (1/1) ... [2021-06-13 16:36:44,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (1/1) ... [2021-06-13 16:36:44,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (1/1) ... [2021-06-13 16:36:44,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (1/1) ... [2021-06-13 16:36:44,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 16:36:44,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 16:36:44,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 16:36:44,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 16:36:44,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (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 [2021-06-13 16:36:44,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 16:36:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 16:36:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 16:36:44,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 16:36:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 16:36:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 16:36:44,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 16:36:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 16:36:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 16:36:44,063 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 16:36:44,171 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 16:36:44,171 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 16:36:44,173 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 04:36:44 BoogieIcfgContainer [2021-06-13 16:36:44,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 16:36:44,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 16:36:44,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 16:36:44,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 16:36:44,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:36:43" (1/2) ... [2021-06-13 16:36:44,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2394b7d8 and model type nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 04:36:44, skipping insertion in model container [2021-06-13 16:36:44,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 04:36:44" (2/2) ... [2021-06-13 16:36:44,178 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr-alt.wvr.bpl [2021-06-13 16:36:44,181 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 16:36:44,182 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 16:36:44,182 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 16:36:44,182 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 16:36:44,202 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-13 16:36:44,215 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 16:36:44,269 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 16:36:44,269 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 16:36:44,269 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 16:36:44,269 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 16:36:44,269 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 16:36:44,270 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 16:36:44,270 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 16:36:44,270 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 16:36:44,321 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:36:44,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:36:44,325 INFO L82 PathProgramCache]: Analyzing trace with hash -853395263, now seen corresponding path program 1 times [2021-06-13 16:36:44,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:36:44,330 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258351785] [2021-06-13 16:36:44,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:36:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:36:44,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:44,531 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:36:44,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258351785] [2021-06-13 16:36:44,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258351785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:44,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318924489] [2021-06-13 16:36:44,532 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 [2021-06-13 16:36:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:36:44,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-13 16:36:44,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:36:44,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:44,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318924489] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:44,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:36:44,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-13 16:36:44,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738162932] [2021-06-13 16:36:44,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 16:36:44,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:36:44,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 16:36:44,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-13 16:36:44,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:44,734 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:36:44,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 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) [2021-06-13 16:36:44,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:44,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:44,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-13 16:36:44,997 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:36:44,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:36:44,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1689660735, now seen corresponding path program 2 times [2021-06-13 16:36:44,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:36:44,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313310607] [2021-06-13 16:36:44,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:36:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:36:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:45,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:36:45,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313310607] [2021-06-13 16:36:45,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313310607] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:45,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565579957] [2021-06-13 16:36:45,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:45,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 16:36:45,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:36:45,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-13 16:36:45,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:36:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:45,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565579957] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:45,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:36:45,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-13 16:36:45,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10423213] [2021-06-13 16:36:45,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-13 16:36:45,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:36:45,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-13 16:36:45,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-06-13 16:36:45,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:45,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:36:45,474 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 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) [2021-06-13 16:36:45,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:45,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:36:45,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:45,941 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:36:45,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:36:45,942 INFO L82 PathProgramCache]: Analyzing trace with hash -152537733, now seen corresponding path program 3 times [2021-06-13 16:36:45,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:36:45,942 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102162032] [2021-06-13 16:36:45,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:36:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:36:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:46,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:36:46,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102162032] [2021-06-13 16:36:46,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102162032] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:46,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264937532] [2021-06-13 16:36:46,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:46,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-13 16:36:46,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:36:46,183 WARN L261 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-13 16:36:46,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:36:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:46,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264937532] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:46,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:36:46,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-13 16:36:46,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247499129] [2021-06-13 16:36:46,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-13 16:36:46,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:36:46,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-13 16:36:46,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-06-13 16:36:46,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:46,502 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:36:46,502 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.92) internal successors, (48), 24 states have internal predecessors, (48), 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) [2021-06-13 16:36:46,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:46,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:36:46,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:46,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:46,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:36:46,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:36:47,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:47,001 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:36:47,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:36:47,002 INFO L82 PathProgramCache]: Analyzing trace with hash 659718333, now seen corresponding path program 4 times [2021-06-13 16:36:47,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:36:47,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417884923] [2021-06-13 16:36:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:36:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:36:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:47,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:36:47,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417884923] [2021-06-13 16:36:47,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417884923] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:47,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818571165] [2021-06-13 16:36:47,273 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:47,312 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 16:36:47,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:36:47,316 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-13 16:36:47,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:36:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:47,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818571165] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:47,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:36:47,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 33 [2021-06-13 16:36:47,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413915432] [2021-06-13 16:36:47,743 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-13 16:36:47,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:36:47,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-13 16:36:47,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=973, Unknown=0, NotChecked=0, Total=1122 [2021-06-13 16:36:47,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:47,743 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:36:47,744 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.0) internal successors, (68), 33 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 16:36:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:36:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:36:47,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:36:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:36:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:36:49,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:49,435 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:36:49,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:36:49,435 INFO L82 PathProgramCache]: Analyzing trace with hash 213307389, now seen corresponding path program 5 times [2021-06-13 16:36:49,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:36:49,436 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071194218] [2021-06-13 16:36:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:36:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:36:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:49,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:36:49,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071194218] [2021-06-13 16:36:49,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071194218] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:49,773 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404567438] [2021-06-13 16:36:49,773 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:49,816 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-06-13 16:36:49,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:36:49,817 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 65 conjunts are in the unsatisfiable core [2021-06-13 16:36:49,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:36:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:50,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404567438] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:50,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:36:50,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22] total 40 [2021-06-13 16:36:50,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201929342] [2021-06-13 16:36:50,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-13 16:36:50,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:36:50,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-13 16:36:50,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1435, Unknown=0, NotChecked=0, Total=1640 [2021-06-13 16:36:50,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:50,441 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:36:50,442 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.048780487804878) internal successors, (84), 40 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) [2021-06-13 16:36:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:36:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:36:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:36:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:36:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:36:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:36:52,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:36:52,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:52,421 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:36:52,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:36:52,421 INFO L82 PathProgramCache]: Analyzing trace with hash 434443069, now seen corresponding path program 6 times [2021-06-13 16:36:52,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:36:52,421 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313680136] [2021-06-13 16:36:52,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:36:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:36:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 25 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:52,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:36:52,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313680136] [2021-06-13 16:36:52,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313680136] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:52,841 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60013112] [2021-06-13 16:36:52,841 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:52,879 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-06-13 16:36:52,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:36:52,881 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-13 16:36:52,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:36:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:53,653 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60013112] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:53,653 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:36:53,653 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 26] total 47 [2021-06-13 16:36:53,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24060759] [2021-06-13 16:36:53,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-13 16:36:53,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:36:53,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-13 16:36:53,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1988, Unknown=0, NotChecked=0, Total=2256 [2021-06-13 16:36:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:53,656 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:36:53,656 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 2.0833333333333335) internal successors, (100), 47 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 16:36:53,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:53,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:36:53,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:36:53,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:36:53,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:36:53,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:55,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:36:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:36:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:36:55,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:36:55,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:36:55,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:55,900 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:36:55,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:36:55,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1358121597, now seen corresponding path program 7 times [2021-06-13 16:36:55,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:36:55,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127756256] [2021-06-13 16:36:55,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:36:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:36:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 36 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:56,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:36:56,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127756256] [2021-06-13 16:36:56,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127756256] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:56,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99482199] [2021-06-13 16:36:56,402 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:36:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:36:56,447 WARN L261 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 93 conjunts are in the unsatisfiable core [2021-06-13 16:36:56,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:36:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:36:57,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99482199] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:36:57,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:36:57,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 30] total 54 [2021-06-13 16:36:57,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616184512] [2021-06-13 16:36:57,577 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-13 16:36:57,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:36:57,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-13 16:36:57,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=2640, Unknown=0, NotChecked=0, Total=2970 [2021-06-13 16:36:57,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:36:57,578 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:36:57,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 2.109090909090909) internal successors, (116), 54 states have internal predecessors, (116), 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) [2021-06-13 16:36:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:36:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:36:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:36:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:36:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:36:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:36:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:00,411 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-13 16:37:00,412 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:37:00,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:37:00,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1040747075, now seen corresponding path program 8 times [2021-06-13 16:37:00,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:37:00,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428315342] [2021-06-13 16:37:00,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:37:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:37:00,881 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 49 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:00,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:37:00,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428315342] [2021-06-13 16:37:00,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428315342] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:00,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763070566] [2021-06-13 16:37:00,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:37:00,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 16:37:00,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:37:00,920 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 108 conjunts are in the unsatisfiable core [2021-06-13 16:37:00,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:37:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:02,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763070566] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:02,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:37:02,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 34] total 61 [2021-06-13 16:37:02,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150711501] [2021-06-13 16:37:02,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-06-13 16:37:02,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:37:02,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-06-13 16:37:02,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=3374, Unknown=0, NotChecked=0, Total=3782 [2021-06-13 16:37:02,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:02,207 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:37:02,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 2.129032258064516) internal successors, (132), 61 states have internal predecessors, (132), 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) [2021-06-13 16:37:02,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:02,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:02,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:02,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:02,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:02,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:02,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:02,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:05,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:05,686 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-13 16:37:05,686 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:37:05,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:37:05,687 INFO L82 PathProgramCache]: Analyzing trace with hash -888695555, now seen corresponding path program 9 times [2021-06-13 16:37:05,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:37:05,687 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759320894] [2021-06-13 16:37:05,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:37:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:37:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 64 proven. 386 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:06,232 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:37:06,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759320894] [2021-06-13 16:37:06,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759320894] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:06,232 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32764644] [2021-06-13 16:37:06,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:37:06,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2021-06-13 16:37:06,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:37:06,282 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 115 conjunts are in the unsatisfiable core [2021-06-13 16:37:06,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:37:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:07,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32764644] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:07,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:37:08,000 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 38] total 68 [2021-06-13 16:37:08,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546433007] [2021-06-13 16:37:08,000 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-06-13 16:37:08,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:37:08,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-06-13 16:37:08,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=4283, Unknown=0, NotChecked=0, Total=4692 [2021-06-13 16:37:08,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:08,002 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:37:08,002 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 2.1449275362318843) internal successors, (148), 68 states have internal predecessors, (148), 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) [2021-06-13 16:37:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:08,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:11,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:11,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:11,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:11,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:11,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:11,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:11,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:12,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:37:12,174 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:37:12,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:37:12,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1480173629, now seen corresponding path program 10 times [2021-06-13 16:37:12,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:37:12,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909083758] [2021-06-13 16:37:12,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:37:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:37:12,845 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 81 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:12,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:37:12,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909083758] [2021-06-13 16:37:12,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909083758] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:12,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193967998] [2021-06-13 16:37:12,846 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:37:12,929 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 16:37:12,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:37:12,931 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 138 conjunts are in the unsatisfiable core [2021-06-13 16:37:12,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:37:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:14,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193967998] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:14,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:37:14,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 42] total 75 [2021-06-13 16:37:14,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476236696] [2021-06-13 16:37:14,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-06-13 16:37:14,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:37:14,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-06-13 16:37:14,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=590, Invalid=5110, Unknown=0, NotChecked=0, Total=5700 [2021-06-13 16:37:14,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:14,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:37:14,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 2.1578947368421053) internal successors, (164), 75 states have internal predecessors, (164), 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) [2021-06-13 16:37:14,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:14,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:14,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:14,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:14,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:14,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:14,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:14,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:14,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:14,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:16,165 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2021-06-13 16:37:17,792 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2021-06-13 16:37:18,006 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2021-06-13 16:37:18,221 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-06-13 16:37:19,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:19,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:19,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:19,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:19,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:19,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:19,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:19,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:19,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:37:19,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-06-13 16:37:19,653 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:37:19,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:37:19,653 INFO L82 PathProgramCache]: Analyzing trace with hash 597929853, now seen corresponding path program 11 times [2021-06-13 16:37:19,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:37:19,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982012718] [2021-06-13 16:37:19,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:37:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:37:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 100 proven. 622 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:20,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:37:20,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982012718] [2021-06-13 16:37:20,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982012718] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:20,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674478076] [2021-06-13 16:37:20,407 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:37:20,490 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2021-06-13 16:37:20,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:37:20,493 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 161 conjunts are in the unsatisfiable core [2021-06-13 16:37:20,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:37:22,445 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:22,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674478076] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:22,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:37:22,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 46] total 82 [2021-06-13 16:37:22,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993640216] [2021-06-13 16:37:22,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-06-13 16:37:22,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:37:22,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-06-13 16:37:22,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=730, Invalid=6076, Unknown=0, NotChecked=0, Total=6806 [2021-06-13 16:37:22,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:22,448 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:37:22,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 2.1686746987951806) internal successors, (180), 82 states have internal predecessors, (180), 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) [2021-06-13 16:37:22,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:22,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:22,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:22,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:22,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:22,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:22,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:22,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:22,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:22,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:37:22,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:23,746 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 78 [2021-06-13 16:37:23,951 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2021-06-13 16:37:25,257 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-06-13 16:37:25,557 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2021-06-13 16:37:25,791 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2021-06-13 16:37:26,012 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2021-06-13 16:37:27,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:37:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:37:27,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:37:27,522 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:37:27,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:37:27,523 INFO L82 PathProgramCache]: Analyzing trace with hash -178541891, now seen corresponding path program 12 times [2021-06-13 16:37:27,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:37:27,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366492715] [2021-06-13 16:37:27,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:37:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:37:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 121 proven. 761 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:28,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:37:28,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366492715] [2021-06-13 16:37:28,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366492715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:28,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254135592] [2021-06-13 16:37:28,449 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:37:28,536 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2021-06-13 16:37:28,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:37:28,539 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 169 conjunts are in the unsatisfiable core [2021-06-13 16:37:28,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:37:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:31,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254135592] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:31,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:37:31,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 50] total 89 [2021-06-13 16:37:31,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847314406] [2021-06-13 16:37:31,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 90 states [2021-06-13 16:37:31,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:37:31,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-06-13 16:37:31,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=811, Invalid=7199, Unknown=0, NotChecked=0, Total=8010 [2021-06-13 16:37:31,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:31,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:37:31,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 90 states, 90 states have (on average 2.1777777777777776) internal successors, (196), 89 states have internal predecessors, (196), 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) [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:37:31,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:32,536 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 85 [2021-06-13 16:37:32,770 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:37:34,407 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2021-06-13 16:37:34,751 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2021-06-13 16:37:35,005 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 85 [2021-06-13 16:37:35,247 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2021-06-13 16:37:36,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:37:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:37:37,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2021-06-13 16:37:37,062 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:37:37,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:37:37,063 INFO L82 PathProgramCache]: Analyzing trace with hash -478701059, now seen corresponding path program 13 times [2021-06-13 16:37:37,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:37:37,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081657671] [2021-06-13 16:37:37,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:37:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:37:38,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 144 proven. 914 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:38,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:37:38,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081657671] [2021-06-13 16:37:38,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081657671] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:38,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403263943] [2021-06-13 16:37:38,006 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 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 [2021-06-13 16:37:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:37:38,056 WARN L261 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 183 conjunts are in the unsatisfiable core [2021-06-13 16:37:38,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:37:41,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 0 proven. 1058 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:41,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403263943] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:41,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:37:41,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 54] total 96 [2021-06-13 16:37:41,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594081779] [2021-06-13 16:37:41,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-06-13 16:37:41,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:37:41,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-06-13 16:37:41,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=920, Invalid=8392, Unknown=0, NotChecked=0, Total=9312 [2021-06-13 16:37:41,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:41,158 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:37:41,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 97 states, 97 states have (on average 2.185567010309278) internal successors, (212), 96 states have internal predecessors, (212), 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) [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:37:41,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:42,882 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 92 [2021-06-13 16:37:43,154 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:37:43,377 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:37:45,128 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2021-06-13 16:37:45,499 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 94 [2021-06-13 16:37:45,781 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 92 [2021-06-13 16:37:46,058 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2021-06-13 16:37:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:48,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:37:48,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:37:48,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:37:48,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:37:48,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:37:48,225 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:37:48,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:37:48,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1844609731, now seen corresponding path program 14 times [2021-06-13 16:37:48,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:37:48,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147547067] [2021-06-13 16:37:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:37:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:37:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 169 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:49,293 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:37:49,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147547067] [2021-06-13 16:37:49,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147547067] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:49,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887069600] [2021-06-13 16:37:49,294 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:37:49,344 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 16:37:49,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:37:49,347 WARN L261 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 209 conjunts are in the unsatisfiable core [2021-06-13 16:37:49,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:37:52,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 0 proven. 1250 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:37:52,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887069600] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:37:52,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:37:52,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 58] total 103 [2021-06-13 16:37:52,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503100988] [2021-06-13 16:37:52,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 104 states [2021-06-13 16:37:52,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:37:52,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-06-13 16:37:52,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1112, Invalid=9600, Unknown=0, NotChecked=0, Total=10712 [2021-06-13 16:37:52,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:52,222 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:37:52,222 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 104 states, 104 states have (on average 2.1923076923076925) internal successors, (228), 103 states have internal predecessors, (228), 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) [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:37:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:37:53,784 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2021-06-13 16:37:54,054 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-13 16:37:54,293 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-13 16:37:54,510 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-13 16:37:56,103 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2021-06-13 16:37:56,470 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 101 [2021-06-13 16:37:56,777 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2021-06-13 16:37:57,070 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:37:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:37:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:37:59,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-06-13 16:37:59,073 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:37:59,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:37:59,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1932743805, now seen corresponding path program 15 times [2021-06-13 16:37:59,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:37:59,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420721526] [2021-06-13 16:37:59,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:37:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:38:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 196 proven. 1262 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:38:00,200 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:38:00,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420721526] [2021-06-13 16:38:00,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420721526] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:38:00,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038226738] [2021-06-13 16:38:00,200 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:38:00,294 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 40 check-sat command(s) [2021-06-13 16:38:00,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:38:00,297 WARN L261 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 214 conjunts are in the unsatisfiable core [2021-06-13 16:38:00,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:38:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 0 proven. 1458 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:38:04,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038226738] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:38:04,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:38:04,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 62] total 110 [2021-06-13 16:38:04,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450370221] [2021-06-13 16:38:04,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 111 states [2021-06-13 16:38:04,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:38:04,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2021-06-13 16:38:04,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1190, Invalid=11020, Unknown=0, NotChecked=0, Total=12210 [2021-06-13 16:38:04,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:38:04,012 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:38:04,013 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 111 states, 111 states have (on average 2.1981981981981984) internal successors, (244), 110 states have internal predecessors, (244), 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) [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:38:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:38:06,319 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2021-06-13 16:38:06,639 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-13 16:38:06,908 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-13 16:38:07,165 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-13 16:38:07,392 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-13 16:38:07,613 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-13 16:38:09,185 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 104 [2021-06-13 16:38:09,610 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2021-06-13 16:38:09,941 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 106 [2021-06-13 16:38:10,277 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 108 [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:38:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:38:13,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:38:13,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-06-13 16:38:13,310 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:38:13,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:38:13,310 INFO L82 PathProgramCache]: Analyzing trace with hash 117383101, now seen corresponding path program 16 times [2021-06-13 16:38:13,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:38:13,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786989410] [2021-06-13 16:38:13,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:38:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:38:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 225 proven. 1457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:38:14,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:38:14,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786989410] [2021-06-13 16:38:14,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786989410] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:38:14,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593643771] [2021-06-13 16:38:14,543 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:38:14,599 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 16:38:14,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:38:14,617 WARN L261 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 241 conjunts are in the unsatisfiable core [2021-06-13 16:38:14,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:38:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 0 proven. 1682 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:38:18,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593643771] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:38:18,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:38:18,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 66] total 117 [2021-06-13 16:38:18,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628136735] [2021-06-13 16:38:18,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 118 states [2021-06-13 16:38:18,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:38:18,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2021-06-13 16:38:18,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1415, Invalid=12391, Unknown=0, NotChecked=0, Total=13806 [2021-06-13 16:38:18,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:38:18,170 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:38:18,171 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 118 states, 118 states have (on average 2.2033898305084745) internal successors, (260), 117 states have internal predecessors, (260), 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) [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:38:18,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:38:20,109 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 113 [2021-06-13 16:38:20,471 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 16:38:20,767 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 16:38:21,042 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 16:38:21,298 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:38:21,527 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:38:21,744 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2021-06-13 16:38:23,432 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-13 16:38:23,873 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2021-06-13 16:38:24,228 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 113 [2021-06-13 16:38:24,587 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 115 [2021-06-13 16:38:26,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:38:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:38:27,187 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable155 [2021-06-13 16:38:27,187 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:38:27,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:38:27,187 INFO L82 PathProgramCache]: Analyzing trace with hash 461823741, now seen corresponding path program 17 times [2021-06-13 16:38:27,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:38:27,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960262581] [2021-06-13 16:38:27,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:38:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:38:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 256 proven. 1666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:38:28,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:38:28,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960262581] [2021-06-13 16:38:28,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960262581] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:38:28,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549442809] [2021-06-13 16:38:28,543 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:38:28,660 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 46 check-sat command(s) [2021-06-13 16:38:28,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:38:28,669 WARN L261 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 257 conjunts are in the unsatisfiable core [2021-06-13 16:38:28,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:38:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 0 proven. 1922 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:38:32,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549442809] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:38:32,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:38:32,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 70] total 124 [2021-06-13 16:38:32,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554076519] [2021-06-13 16:38:32,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 125 states [2021-06-13 16:38:32,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:38:32,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2021-06-13 16:38:32,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1579, Invalid=13921, Unknown=0, NotChecked=0, Total=15500 [2021-06-13 16:38:32,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:38:32,597 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:38:32,598 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 125 states, 125 states have (on average 2.208) internal successors, (276), 124 states have internal predecessors, (276), 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) [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:38:32,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:38:35,161 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 120 [2021-06-13 16:38:35,524 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 118 [2021-06-13 16:38:35,846 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 16:38:36,143 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 16:38:36,413 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 16:38:36,677 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:38:36,920 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:38:37,149 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2021-06-13 16:38:38,895 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 118 [2021-06-13 16:38:39,370 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2021-06-13 16:38:39,758 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 120 [2021-06-13 16:38:40,142 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 122 [2021-06-13 16:38:43,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:38:43,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:38:43,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:38:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:38:43,512 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable156 [2021-06-13 16:38:43,512 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:38:43,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:38:43,512 INFO L82 PathProgramCache]: Analyzing trace with hash 216044093, now seen corresponding path program 18 times [2021-06-13 16:38:43,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:38:43,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437074954] [2021-06-13 16:38:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:38:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:38:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 289 proven. 1889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:38:44,954 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:38:44,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437074954] [2021-06-13 16:38:44,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437074954] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:38:44,954 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276626109] [2021-06-13 16:38:44,954 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:38:45,139 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 49 check-sat command(s) [2021-06-13 16:38:45,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:38:45,144 WARN L261 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 273 conjunts are in the unsatisfiable core [2021-06-13 16:38:45,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:38:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 0 proven. 2178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:38:49,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276626109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:38:49,461 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:38:49,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 74] total 131 [2021-06-13 16:38:49,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117362821] [2021-06-13 16:38:49,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 132 states [2021-06-13 16:38:49,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:38:49,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2021-06-13 16:38:49,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1752, Invalid=15540, Unknown=0, NotChecked=0, Total=17292 [2021-06-13 16:38:49,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:38:49,463 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:38:49,463 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 132 states, 132 states have (on average 2.212121212121212) internal successors, (292), 131 states have internal predecessors, (292), 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) [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:38:49,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:38:52,300 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2021-06-13 16:38:52,707 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 125 [2021-06-13 16:38:53,088 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 118 [2021-06-13 16:38:53,405 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 16:38:53,713 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 16:38:53,992 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 16:38:54,247 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:38:54,487 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:38:54,709 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2021-06-13 16:38:56,535 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 125 [2021-06-13 16:38:57,039 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 129 [2021-06-13 16:38:57,455 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 127 [2021-06-13 16:38:57,876 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 129 [2021-06-13 16:39:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:39:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:39:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:39:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:39:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:39:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:39:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:39:01,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable157 [2021-06-13 16:39:01,715 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:39:01,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:39:01,715 INFO L82 PathProgramCache]: Analyzing trace with hash 86129021, now seen corresponding path program 19 times [2021-06-13 16:39:01,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:39:01,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935316866] [2021-06-13 16:39:01,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:39:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:39:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 324 proven. 2126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:39:03,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:39:03,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935316866] [2021-06-13 16:39:03,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935316866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:39:03,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687461387] [2021-06-13 16:39:03,357 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:39:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:39:03,436 WARN L261 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 273 conjunts are in the unsatisfiable core [2021-06-13 16:39:03,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:39:08,416 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2021-06-13 16:39:10,576 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-06-13 16:39:11,029 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-06-13 16:39:13,017 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-06-13 16:39:46,342 WARN L205 SmtUtils]: Spent 33.32 s on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-06-13 16:41:18,056 WARN L205 SmtUtils]: Spent 1.53 m on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-06-13 16:41:20,479 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-06-13 16:42:27,403 WARN L205 SmtUtils]: Spent 1.12 m on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-06-13 16:43:38,711 WARN L205 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-06-13 16:43:41,364 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-06-13 16:43:42,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:43:42,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687461387] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:43:42,422 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:43:42,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 78] total 138 [2021-06-13 16:43:42,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271996726] [2021-06-13 16:43:42,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 139 states [2021-06-13 16:43:42,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:43:42,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-06-13 16:43:42,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1796, Invalid=17386, Unknown=0, NotChecked=0, Total=19182 [2021-06-13 16:43:42,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:43:42,424 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:43:42,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 139 states, 139 states have (on average 2.2158273381294964) internal successors, (308), 138 states have internal predecessors, (308), 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) [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:43:42,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:43:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:43:45,584 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 134 [2021-06-13 16:43:46,022 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 132 [2021-06-13 16:43:46,399 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 125 [2021-06-13 16:43:46,764 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 118 [2021-06-13 16:43:47,106 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 16:43:47,425 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 16:43:47,723 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 16:43:48,002 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:43:48,266 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:43:50,583 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 132 [2021-06-13 16:43:51,159 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 136 [2021-06-13 16:43:51,617 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 134 [2021-06-13 16:43:52,062 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:43:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:43:56,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:43:56,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2021-06-13 16:43:56,653 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:43:56,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:43:56,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1013044413, now seen corresponding path program 20 times [2021-06-13 16:43:56,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:43:56,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868720310] [2021-06-13 16:43:56,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:43:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:43:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2738 backedges. 361 proven. 2377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:43:58,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:43:58,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868720310] [2021-06-13 16:43:58,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868720310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:43:58,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060327478] [2021-06-13 16:43:58,338 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:43:58,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 16:43:58,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:43:58,411 WARN L261 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 288 conjunts are in the unsatisfiable core [2021-06-13 16:43:58,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:44:03,600 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-06-13 16:44:03,970 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-06-13 16:44:05,594 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-06-13 16:44:05,704 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-06-13 16:44:07,101 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-06-13 16:44:08,046 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-06-13 16:44:08,473 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-06-13 16:44:08,717 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-06-13 16:44:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2738 backedges. 0 proven. 2738 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:44:09,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060327478] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:44:09,118 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:44:09,118 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 82] total 145 [2021-06-13 16:44:09,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446982660] [2021-06-13 16:44:09,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 146 states [2021-06-13 16:44:09,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:44:09,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2021-06-13 16:44:09,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1968, Invalid=19202, Unknown=0, NotChecked=0, Total=21170 [2021-06-13 16:44:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:44:09,120 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:44:09,120 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 146 states, 146 states have (on average 2.219178082191781) internal successors, (324), 145 states have internal predecessors, (324), 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) [2021-06-13 16:44:09,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:44:09,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:44:09,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:44:09,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:44:09,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:44:09,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:44:12,626 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 141 [2021-06-13 16:44:13,093 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-13 16:44:13,513 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-13 16:44:13,916 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-13 16:44:14,280 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-13 16:44:14,623 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-13 16:44:14,945 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-13 16:44:15,247 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-13 16:44:15,532 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-13 16:44:15,795 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-13 16:44:18,059 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 139 [2021-06-13 16:44:18,670 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 143 [2021-06-13 16:44:19,155 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 141 [2021-06-13 16:44:19,641 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 143 [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:44:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:44:24,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:44:24,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable206 [2021-06-13 16:44:24,749 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:44:24,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:44:24,749 INFO L82 PathProgramCache]: Analyzing trace with hash 951411709, now seen corresponding path program 21 times [2021-06-13 16:44:24,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:44:24,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266846075] [2021-06-13 16:44:24,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:44:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:44:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3042 backedges. 400 proven. 2642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:44:26,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:44:26,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266846075] [2021-06-13 16:44:26,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266846075] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:44:26,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300795446] [2021-06-13 16:44:26,594 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:44:26,782 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 58 check-sat command(s) [2021-06-13 16:44:26,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:44:26,786 WARN L261 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 321 conjunts are in the unsatisfiable core [2021-06-13 16:44:26,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:44:32,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3042 backedges. 0 proven. 3042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:44:32,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300795446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:44:32,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:44:32,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 86] total 152 [2021-06-13 16:44:32,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502079365] [2021-06-13 16:44:32,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 153 states [2021-06-13 16:44:32,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:44:32,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2021-06-13 16:44:32,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2325, Invalid=20931, Unknown=0, NotChecked=0, Total=23256 [2021-06-13 16:44:32,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:44:32,500 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:44:32,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 153 states, 153 states have (on average 2.2222222222222223) internal successors, (340), 152 states have internal predecessors, (340), 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) [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:44:32,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:44:32,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:44:32,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:44:32,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:44:32,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:44:32,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:44:32,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:44:32,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:44:32,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:44:32,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:44:32,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:44:36,089 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 148 [2021-06-13 16:44:36,572 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 146 [2021-06-13 16:44:37,002 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 139 [2021-06-13 16:44:37,437 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 132 [2021-06-13 16:44:37,819 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 125 [2021-06-13 16:44:38,197 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 118 [2021-06-13 16:44:38,543 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 16:44:38,859 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 16:44:39,155 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 16:44:39,427 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:44:39,689 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:44:41,965 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 146 [2021-06-13 16:44:42,588 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 150 [2021-06-13 16:44:43,106 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 148 [2021-06-13 16:44:43,608 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 150 [2021-06-13 16:44:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:44:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:44:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:44:48,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:44:48,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:44:48,630 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:44:48,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:44:48,630 INFO L82 PathProgramCache]: Analyzing trace with hash 238217021, now seen corresponding path program 22 times [2021-06-13 16:44:48,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:44:48,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091216617] [2021-06-13 16:44:48,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:44:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:44:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 441 proven. 2921 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:44:50,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:44:50,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091216617] [2021-06-13 16:44:50,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091216617] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:44:50,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883629798] [2021-06-13 16:44:50,631 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:44:50,706 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 16:44:50,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:44:50,718 WARN L261 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 318 conjunts are in the unsatisfiable core [2021-06-13 16:44:50,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:44:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 0 proven. 3362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:44:58,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883629798] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:44:58,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:44:58,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 90] total 159 [2021-06-13 16:44:58,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214952442] [2021-06-13 16:44:58,843 INFO L462 AbstractCegarLoop]: Interpolant automaton has 160 states [2021-06-13 16:44:58,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:44:58,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2021-06-13 16:44:58,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2340, Invalid=23100, Unknown=0, NotChecked=0, Total=25440 [2021-06-13 16:44:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:44:58,844 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:44:58,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 160 states, 160 states have (on average 2.225) internal successors, (356), 159 states have internal predecessors, (356), 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) [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:44:58,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:45:02,910 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 155 [2021-06-13 16:45:03,466 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-13 16:45:03,975 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-13 16:45:04,471 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-13 16:45:04,940 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-13 16:45:05,363 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-13 16:45:05,765 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-13 16:45:06,143 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-13 16:45:06,505 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-13 16:45:06,855 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-13 16:45:07,180 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-13 16:45:07,487 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-13 16:45:07,767 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-13 16:45:10,068 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 153 [2021-06-13 16:45:10,834 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 157 [2021-06-13 16:45:11,438 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 155 [2021-06-13 16:45:12,013 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 157 [2021-06-13 16:45:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:45:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:45:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:45:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:45:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:45:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:45:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:45:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:45:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:45:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:45:18,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:45:18,629 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:45:18,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:45:18,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1628414339, now seen corresponding path program 23 times [2021-06-13 16:45:18,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:45:18,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341082274] [2021-06-13 16:45:18,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:45:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:45:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3698 backedges. 484 proven. 3214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:45:20,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:45:20,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341082274] [2021-06-13 16:45:20,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341082274] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:45:20,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770350973] [2021-06-13 16:45:20,821 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:45:21,017 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) [2021-06-13 16:45:21,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:45:21,021 WARN L261 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 353 conjunts are in the unsatisfiable core [2021-06-13 16:45:21,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:45:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3698 backedges. 0 proven. 3698 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:45:27,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770350973] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:45:27,996 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:45:27,996 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 94] total 166 [2021-06-13 16:45:27,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461992471] [2021-06-13 16:45:27,997 INFO L462 AbstractCegarLoop]: Interpolant automaton has 167 states [2021-06-13 16:45:27,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:45:27,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2021-06-13 16:45:27,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2752, Invalid=24970, Unknown=0, NotChecked=0, Total=27722 [2021-06-13 16:45:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:45:27,998 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:45:27,998 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 167 states, 167 states have (on average 2.2275449101796405) internal successors, (372), 166 states have internal predecessors, (372), 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) [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:45:27,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:45:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:45:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:45:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:45:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:45:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:45:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:45:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:45:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:45:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:45:27,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:45:31,404 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 162 [2021-06-13 16:45:31,966 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 160 [2021-06-13 16:45:32,486 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 153 [2021-06-13 16:45:32,960 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 146 [2021-06-13 16:45:33,403 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 139 [2021-06-13 16:45:33,821 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 132 [2021-06-13 16:45:34,223 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 125 [2021-06-13 16:45:34,617 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 118 [2021-06-13 16:45:34,985 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 16:45:35,314 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 16:45:35,640 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 16:45:35,959 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:45:36,241 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:45:36,501 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2021-06-13 16:45:38,734 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 160 [2021-06-13 16:45:39,428 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 164 [2021-06-13 16:45:39,993 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 162 [2021-06-13 16:45:40,549 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 164 [2021-06-13 16:45:45,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:45:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:45:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:45:45,780 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable308,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:45:45,780 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:45:45,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:45:45,781 INFO L82 PathProgramCache]: Analyzing trace with hash -620508739, now seen corresponding path program 24 times [2021-06-13 16:45:45,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:45:45,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048307305] [2021-06-13 16:45:45,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:45:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:45:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 529 proven. 3521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:45:48,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:45:48,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048307305] [2021-06-13 16:45:48,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048307305] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:45:48,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806803270] [2021-06-13 16:45:48,094 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:45:48,467 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 67 check-sat command(s) [2021-06-13 16:45:48,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:45:48,472 WARN L261 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 367 conjunts are in the unsatisfiable core [2021-06-13 16:45:48,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:45:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 0 proven. 4050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:45:55,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806803270] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:45:55,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:45:55,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 98] total 173 [2021-06-13 16:45:55,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267515630] [2021-06-13 16:45:55,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 174 states [2021-06-13 16:45:55,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:45:55,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2021-06-13 16:45:55,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2974, Invalid=27128, Unknown=0, NotChecked=0, Total=30102 [2021-06-13 16:45:55,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:45:55,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:45:55,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 174 states, 174 states have (on average 2.2298850574712645) internal successors, (388), 173 states have internal predecessors, (388), 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) [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:45:55,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:45:55,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:45:55,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:45:55,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:45:55,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:45:55,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:45:55,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:45:55,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:45:55,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:45:55,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:45:55,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:45:59,979 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 169 [2021-06-13 16:46:00,570 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 167 [2021-06-13 16:46:01,092 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 160 [2021-06-13 16:46:01,608 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 153 [2021-06-13 16:46:02,087 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 146 [2021-06-13 16:46:02,543 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 139 [2021-06-13 16:46:02,983 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 132 [2021-06-13 16:46:03,388 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 125 [2021-06-13 16:46:03,785 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 118 [2021-06-13 16:46:04,141 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 16:46:04,477 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 16:46:04,794 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 16:46:05,089 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:46:05,365 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:46:05,623 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2021-06-13 16:46:07,897 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 167 [2021-06-13 16:46:08,636 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 171 [2021-06-13 16:46:09,243 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 169 [2021-06-13 16:46:09,842 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 171 [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:46:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:46:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:46:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:46:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:46:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:46:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:46:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:46:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:46:15,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable309 [2021-06-13 16:46:15,920 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:46:15,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:46:15,920 INFO L82 PathProgramCache]: Analyzing trace with hash 8595709, now seen corresponding path program 25 times [2021-06-13 16:46:15,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:46:15,920 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182101148] [2021-06-13 16:46:15,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:46:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:46:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 576 proven. 3842 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:46:18,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:46:18,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182101148] [2021-06-13 16:46:18,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182101148] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:46:18,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143136698] [2021-06-13 16:46:18,432 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:46:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:46:18,520 WARN L261 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 363 conjunts are in the unsatisfiable core [2021-06-13 16:46:18,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:46:26,730 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-06-13 16:46:27,433 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-06-13 16:46:28,919 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-06-13 16:46:29,146 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-06-13 16:46:29,269 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-06-13 16:46:29,413 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-06-13 16:46:29,903 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-06-13 16:46:30,134 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-06-13 16:46:30,512 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-06-13 16:46:30,692 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-06-13 16:46:30,930 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-06-13 16:46:31,074 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-06-13 16:46:31,487 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-06-13 16:46:31,741 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-06-13 16:46:32,134 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-06-13 16:46:32,437 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-06-13 16:46:32,542 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-06-13 16:46:32,746 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-06-13 16:46:32,863 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-06-13 16:46:32,966 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-06-13 16:46:33,481 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-06-13 16:46:34,360 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-06-13 16:46:34,541 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-06-13 16:46:34,753 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-06-13 16:46:34,867 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-06-13 16:46:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 0 proven. 4418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:46:35,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143136698] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:46:35,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:46:35,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 102] total 180 [2021-06-13 16:46:35,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574005891] [2021-06-13 16:46:35,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 181 states [2021-06-13 16:46:35,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:46:35,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2021-06-13 16:46:35,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2958, Invalid=29622, Unknown=0, NotChecked=0, Total=32580 [2021-06-13 16:46:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:46:35,730 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:46:35,730 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 181 states, 181 states have (on average 2.2320441988950277) internal successors, (404), 180 states have internal predecessors, (404), 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) [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:46:35,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:46:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:46:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:46:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:46:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:46:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:46:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:46:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:46:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:46:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:46:35,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:46:40,247 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 176 [2021-06-13 16:46:40,898 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-06-13 16:46:41,472 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-13 16:46:42,037 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-06-13 16:46:42,561 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-13 16:46:43,062 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-13 16:46:43,547 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-13 16:46:43,996 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-13 16:46:44,426 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-13 16:46:44,831 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-13 16:46:45,215 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-13 16:46:45,580 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-13 16:46:45,923 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-13 16:46:46,244 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-13 16:46:46,549 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-13 16:46:49,381 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 174 [2021-06-13 16:46:50,192 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 178 [2021-06-13 16:46:50,853 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 176 [2021-06-13 16:46:51,517 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 178 [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:46:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:46:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:46:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:46:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:46:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:46:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:46:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:46:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:46:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-06-13 16:46:58,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-06-13 16:46:58,889 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:46:58,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:46:58,889 INFO L82 PathProgramCache]: Analyzing trace with hash -612074435, now seen corresponding path program 26 times [2021-06-13 16:46:58,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:46:58,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657913897] [2021-06-13 16:46:58,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:46:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:47:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4802 backedges. 625 proven. 4177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:47:01,534 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:47:01,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657913897] [2021-06-13 16:47:01,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657913897] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:47:01,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769318928] [2021-06-13 16:47:01,535 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:47:01,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 16:47:01,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:47:01,629 WARN L261 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 401 conjunts are in the unsatisfiable core [2021-06-13 16:47:01,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:47:10,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4802 backedges. 0 proven. 4802 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:47:10,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769318928] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:47:10,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:47:10,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 106] total 187 [2021-06-13 16:47:10,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753006074] [2021-06-13 16:47:10,251 INFO L462 AbstractCegarLoop]: Interpolant automaton has 188 states [2021-06-13 16:47:10,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:47:10,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2021-06-13 16:47:10,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3460, Invalid=31696, Unknown=0, NotChecked=0, Total=35156 [2021-06-13 16:47:10,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:47:10,253 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:47:10,253 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 188 states, 188 states have (on average 2.234042553191489) internal successors, (420), 187 states have internal predecessors, (420), 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) [2021-06-13 16:47:10,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2021-06-13 16:47:10,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:47:14,510 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 183 [2021-06-13 16:47:15,168 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 181 [2021-06-13 16:47:15,751 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-06-13 16:47:16,325 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 167 [2021-06-13 16:47:16,861 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 160 [2021-06-13 16:47:17,365 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 153 [2021-06-13 16:47:17,846 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 146 [2021-06-13 16:47:18,321 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 139 [2021-06-13 16:47:18,760 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 132 [2021-06-13 16:47:19,175 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 125 [2021-06-13 16:47:19,561 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 118 [2021-06-13 16:47:19,926 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 16:47:20,269 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 16:47:20,609 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 16:47:20,910 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:47:21,205 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:47:23,918 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 181 [2021-06-13 16:47:24,718 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 185 [2021-06-13 16:47:25,398 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 183 [2021-06-13 16:47:26,059 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 185 [2021-06-13 16:47:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:47:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:47:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:47:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:47:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:47:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:47:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:47:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-06-13 16:47:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-06-13 16:47:32,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable372,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:47:32,614 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:47:32,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:47:32,614 INFO L82 PathProgramCache]: Analyzing trace with hash 102613885, now seen corresponding path program 27 times [2021-06-13 16:47:32,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:47:32,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383146261] [2021-06-13 16:47:32,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:47:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:47:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 676 proven. 4526 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:47:35,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:47:35,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383146261] [2021-06-13 16:47:35,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383146261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:47:35,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092132905] [2021-06-13 16:47:35,402 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:47:35,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 76 check-sat command(s) [2021-06-13 16:47:35,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:47:35,743 WARN L261 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 417 conjunts are in the unsatisfiable core [2021-06-13 16:47:35,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:47:44,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 0 proven. 5202 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:47:44,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092132905] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:47:44,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:47:44,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 110] total 194 [2021-06-13 16:47:44,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784952426] [2021-06-13 16:47:44,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 195 states [2021-06-13 16:47:44,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:47:44,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2021-06-13 16:47:44,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3714, Invalid=34116, Unknown=0, NotChecked=0, Total=37830 [2021-06-13 16:47:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:47:44,871 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:47:44,871 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 195 states, 195 states have (on average 2.235897435897436) internal successors, (436), 194 states have internal predecessors, (436), 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) [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:47:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-06-13 16:47:44,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:47:50,268 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 190 [2021-06-13 16:47:50,988 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 188 [2021-06-13 16:47:51,629 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 181 [2021-06-13 16:47:52,261 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-06-13 16:47:52,854 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 167 [2021-06-13 16:47:53,394 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 160 [2021-06-13 16:47:53,927 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 153 [2021-06-13 16:47:54,421 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 146 [2021-06-13 16:47:54,899 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 139 [2021-06-13 16:47:55,339 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 132 [2021-06-13 16:47:55,766 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 125 [2021-06-13 16:47:56,175 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 118 [2021-06-13 16:47:56,551 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 16:47:56,898 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 16:47:57,223 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 16:47:57,529 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:47:57,818 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:48:00,580 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 188 [2021-06-13 16:48:01,414 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 192 [2021-06-13 16:48:02,129 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 190 [2021-06-13 16:48:02,853 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 192 [2021-06-13 16:48:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:48:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:48:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:48:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:48:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:48:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:48:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:48:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:48:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-06-13 16:48:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 16:48:10,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable373,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:48:10,960 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:48:10,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:48:10,960 INFO L82 PathProgramCache]: Analyzing trace with hash 677707453, now seen corresponding path program 28 times [2021-06-13 16:48:10,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:48:10,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432635731] [2021-06-13 16:48:10,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:48:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:48:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5618 backedges. 729 proven. 4889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:48:14,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:48:14,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432635731] [2021-06-13 16:48:14,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432635731] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:48:14,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590112089] [2021-06-13 16:48:14,110 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:48:14,245 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 16:48:14,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:48:14,251 WARN L261 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 433 conjunts are in the unsatisfiable core [2021-06-13 16:48:14,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:48:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 5618 backedges. 0 proven. 5618 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:48:24,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590112089] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:48:24,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:48:24,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 114] total 201 [2021-06-13 16:48:24,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634311623] [2021-06-13 16:48:24,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 202 states [2021-06-13 16:48:24,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:48:24,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2021-06-13 16:48:24,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3975, Invalid=36627, Unknown=0, NotChecked=0, Total=40602 [2021-06-13 16:48:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:48:24,086 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:48:24,086 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 202 states, 202 states have (on average 2.237623762376238) internal successors, (452), 201 states have internal predecessors, (452), 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) [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:48:24,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 16:48:24,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:48:28,392 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 197 [2021-06-13 16:48:29,134 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 195 [2021-06-13 16:48:29,788 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-13 16:48:30,413 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 181 [2021-06-13 16:48:31,011 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-06-13 16:48:31,598 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-13 16:48:32,143 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-06-13 16:48:32,662 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-13 16:48:33,151 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-13 16:48:33,633 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-13 16:48:34,077 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-13 16:48:34,496 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-13 16:48:34,895 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-13 16:48:35,270 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-13 16:48:35,622 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-13 16:48:35,969 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-13 16:48:36,279 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-13 16:48:36,568 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-13 16:48:36,846 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-06-13 16:48:39,304 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 195 [2021-06-13 16:48:40,187 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 199 [2021-06-13 16:48:40,941 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 197 [2021-06-13 16:48:41,681 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 199 [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:48:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:48:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-06-13 16:48:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-06-13 16:48:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 16:48:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-06-13 16:48:48,766 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable374,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:48:48,766 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:48:48,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:48:48,767 INFO L82 PathProgramCache]: Analyzing trace with hash 946875901, now seen corresponding path program 29 times [2021-06-13 16:48:48,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:48:48,767 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388757882] [2021-06-13 16:48:48,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:48:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:48:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 784 proven. 5266 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:48:51,903 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:48:51,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388757882] [2021-06-13 16:48:51,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388757882] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:48:51,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366110123] [2021-06-13 16:48:51,903 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:48:52,219 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 82 check-sat command(s) [2021-06-13 16:48:52,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:48:52,224 WARN L261 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 449 conjunts are in the unsatisfiable core [2021-06-13 16:48:52,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:49:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 0 proven. 6050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:49:02,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366110123] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:49:02,720 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:49:02,720 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 118] total 208 [2021-06-13 16:49:02,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562400062] [2021-06-13 16:49:02,721 INFO L462 AbstractCegarLoop]: Interpolant automaton has 209 states [2021-06-13 16:49:02,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:49:02,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2021-06-13 16:49:02,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4247, Invalid=39225, Unknown=0, NotChecked=0, Total=43472 [2021-06-13 16:49:02,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:49:02,723 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:49:02,723 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 209 states, 209 states have (on average 2.2392344497607657) internal successors, (468), 208 states have internal predecessors, (468), 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) [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:49:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:49:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:49:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:49:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:49:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:49:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:49:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2021-06-13 16:49:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-06-13 16:49:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 16:49:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-06-13 16:49:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:49:08,975 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 204 [2021-06-13 16:49:09,756 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-06-13 16:49:10,444 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 195 [2021-06-13 16:49:11,127 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-06-13 16:49:11,780 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 181 [2021-06-13 16:49:12,392 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-06-13 16:49:12,984 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-06-13 16:49:13,541 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-06-13 16:49:14,068 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-06-13 16:49:14,568 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-06-13 16:49:15,058 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-06-13 16:49:15,504 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-06-13 16:49:15,930 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-06-13 16:49:16,362 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-06-13 16:49:16,740 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-06-13 16:49:17,096 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-06-13 16:49:17,447 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-06-13 16:49:17,759 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-13 16:49:18,052 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-06-13 16:49:20,879 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 202 [2021-06-13 16:49:21,802 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 206 [2021-06-13 16:49:22,630 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 204 [2021-06-13 16:49:23,452 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 206 [2021-06-13 16:49:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2021-06-13 16:49:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-06-13 16:49:32,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2021-06-13 16:49:32,871 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable375,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:49:32,871 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 16:49:32,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:49:32,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1168813763, now seen corresponding path program 30 times [2021-06-13 16:49:32,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:49:32,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536004106] [2021-06-13 16:49:32,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:49:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:49:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6498 backedges. 841 proven. 5657 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:49:36,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:49:36,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536004106] [2021-06-13 16:49:36,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536004106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:49:36,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846486865] [2021-06-13 16:49:36,231 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 16:49:37,152 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 85 check-sat command(s) [2021-06-13 16:49:37,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 16:49:37,159 WARN L261 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 458 conjunts are in the unsatisfiable core [2021-06-13 16:49:37,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 16:49:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6498 backedges. 0 proven. 6498 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:49:48,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846486865] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 16:49:48,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 16:49:48,652 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 122] total 215 [2021-06-13 16:49:48,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229140191] [2021-06-13 16:49:48,653 INFO L462 AbstractCegarLoop]: Interpolant automaton has 216 states [2021-06-13 16:49:48,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:49:48,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2021-06-13 16:49:48,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4500, Invalid=41940, Unknown=0, NotChecked=0, Total=46440 [2021-06-13 16:49:48,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:49:48,655 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:49:48,655 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 216 states, 216 states have (on average 2.240740740740741) internal successors, (484), 215 states have internal predecessors, (484), 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) [2021-06-13 16:49:48,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 16:49:48,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 16:49:48,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-13 16:49:48,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-13 16:49:48,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-13 16:49:48,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2021-06-13 16:49:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:49:55,077 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 211 [2021-06-13 16:49:55,923 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 209 [2021-06-13 16:49:56,661 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 202 [2021-06-13 16:49:57,367 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 195 [2021-06-13 16:49:58,057 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 188 [2021-06-13 16:49:58,710 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 181 [2021-06-13 16:49:59,331 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-06-13 16:49:59,921 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 167 [2021-06-13 16:50:00,506 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 160 [2021-06-13 16:50:01,045 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 153 [2021-06-13 16:50:01,558 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 146 [2021-06-13 16:50:02,066 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 139 [2021-06-13 16:50:02,580 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 132 [2021-06-13 16:50:03,068 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 125 [2021-06-13 16:50:03,492 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 118 [2021-06-13 16:50:03,907 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-13 16:50:04,301 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2021-06-13 16:50:04,681 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 97 [2021-06-13 16:50:05,058 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2021-06-13 16:50:05,371 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-06-13 16:50:05,678 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2021-06-13 16:50:08,656 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 209 Received shutdown request... [2021-06-13 16:50:09,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable376 [2021-06-13 16:50:09,111 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-13 16:50:09,123 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 16:50:09,124 WARN L196 ceAbstractionStarter]: Timeout [2021-06-13 16:50:09,124 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 04:50:09 BasicIcfg [2021-06-13 16:50:09,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 16:50:09,125 INFO L168 Benchmark]: Toolchain (without parser) took 805146.45 ms. Allocated memory was 212.9 MB in the beginning and 921.7 MB in the end (delta: 708.8 MB). Free memory was 192.0 MB in the beginning and 153.2 MB in the end (delta: 38.8 MB). Peak memory consumption was 748.1 MB. Max. memory is 8.0 GB. [2021-06-13 16:50:09,125 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 212.9 MB. Free memory is still 193.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 16:50:09,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.79 ms. Allocated memory is still 212.9 MB. Free memory was 191.9 MB in the beginning and 190.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 16:50:09,125 INFO L168 Benchmark]: Boogie Preprocessor took 11.31 ms. Allocated memory is still 212.9 MB. Free memory was 190.5 MB in the beginning and 189.5 MB in the end (delta: 959.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 16:50:09,125 INFO L168 Benchmark]: RCFGBuilder took 160.26 ms. Allocated memory is still 212.9 MB. Free memory was 189.5 MB in the beginning and 178.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-13 16:50:09,125 INFO L168 Benchmark]: TraceAbstraction took 804950.16 ms. Allocated memory was 212.9 MB in the beginning and 921.7 MB in the end (delta: 708.8 MB). Free memory was 177.9 MB in the beginning and 153.2 MB in the end (delta: 24.7 MB). Peak memory consumption was 734.5 MB. Max. memory is 8.0 GB. [2021-06-13 16:50:09,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 212.9 MB. Free memory is still 193.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.79 ms. Allocated memory is still 212.9 MB. Free memory was 191.9 MB in the beginning and 190.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.31 ms. Allocated memory is still 212.9 MB. Free memory was 190.5 MB in the beginning and 189.5 MB in the end (delta: 959.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 160.26 ms. Allocated memory is still 212.9 MB. Free memory was 189.5 MB in the beginning and 178.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 804950.16 ms. Allocated memory was 212.9 MB in the beginning and 921.7 MB in the end (delta: 708.8 MB). Free memory was 177.9 MB in the beginning and 153.2 MB in the end (delta: 24.7 MB). Peak memory consumption was 734.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9897, positive: 7078, positive conditional: 7078, positive unconditional: 0, negative: 2819, negative conditional: 2819, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7109, positive: 7078, positive conditional: 7078, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7109, positive: 6589, positive conditional: 0, positive unconditional: 6589, negative: 520, negative conditional: 0, negative unconditional: 520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7109, positive: 6573, positive conditional: 0, positive unconditional: 6573, negative: 519, negative conditional: 0, negative unconditional: 519, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460, SemanticConditionEliminator.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5557, positive: 489, positive conditional: 489, positive unconditional: 0, negative: 5068, negative conditional: 4608, negative unconditional: 460, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 33, negative conditional: 32, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 105, negative conditional: 74, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5557, positive: 459, positive conditional: 459, positive unconditional: 0, negative: 5036, negative conditional: 4576, negative unconditional: 460, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 46, Positive conditional cache size: 30, Positive unconditional cache size: 16, Negative cache size: 33, Negative conditional cache size: 32, Negative unconditional cache size: 1, Eliminated conditions: 460 ], Maximal queried relation: 30, Independence queries for same thread: 2788 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 293 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 804896.4ms, OverallIterations: 30, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.7ms, PartialOrderReductionTime: 333157.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3260, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 323.4ms SsaConstructionTime, 4649.7ms SatisfiabilityAnalysisTime, 459815.4ms InterpolantComputationTime, 7636 NumberOfCodeBlocks, 7636 NumberOfCodeBlocksAsserted, 725 NumberOfCheckSat, 7576 ConstructedInterpolants, 0 QuantifiedInterpolants, 127441 SizeOfPredicates, 147 NumberOfNonLiveVariables, 9260 ConjunctsInSsa, 6851 ConjunctsInUnsatCore, 60 InterpolantComputations, 0 PerfectInterpolantSequences, 8555/130036 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown