/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 19:01:49,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 19:01:49,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 19:01:50,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 19:01:50,080 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-Sleep-NoLbe-New_States.epf [2021-03-12 19:01:50,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 19:01:50,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 19:01:50,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 19:01:50,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 19:01:50,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 19:01:50,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 19:01:50,123 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 19:01:50,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 19:01:50,124 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 19:01:50,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 19:01:50,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 19:01:50,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 19:01:50,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 19:01:50,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 19:01:50,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 19:01:50,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 19:01:50,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 19:01:50,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 19:01:50,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 19:01:50,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 19:01:50,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 19:01:50,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 19:01:50,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 19:01:50,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 19:01:50,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 19:01:50,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 19:01:50,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 19:01:50,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 19:01:50,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 19:01:50,127 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 19:01:50,127 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 19:01:50,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 19:01:50,128 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 19:01:50,128 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 19:01:50,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 19:01:50,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 19:01:50,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 19:01:50,455 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 19:01:50,456 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 19:01:50,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl [2021-03-12 19:01:50,488 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl' [2021-03-12 19:01:50,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 19:01:50,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 19:01:50,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 19:01:50,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 19:01:50,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 19:01:50,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (1/1) ... [2021-03-12 19:01:50,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (1/1) ... [2021-03-12 19:01:50,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 19:01:50,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 19:01:50,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 19:01:50,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 19:01:50,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (1/1) ... [2021-03-12 19:01:50,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (1/1) ... [2021-03-12 19:01:50,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (1/1) ... [2021-03-12 19:01:50,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (1/1) ... [2021-03-12 19:01:50,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (1/1) ... [2021-03-12 19:01:50,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (1/1) ... [2021-03-12 19:01:50,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (1/1) ... [2021-03-12 19:01:50,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 19:01:50,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 19:01:50,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 19:01:50,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 19:01:50,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (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 [2021-03-12 19:01:50,643 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 19:01:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 19:01:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 19:01:50,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 19:01:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 19:01:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 19:01:50,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 19:01:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 19:01:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 19:01:50,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 19:01:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 19:01:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 19:01:50,645 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 19:01:50,917 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 19:01:50,917 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 19:01:50,918 INFO L202 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:01:50 BoogieIcfgContainer [2021-03-12 19:01:50,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 19:01:50,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 19:01:50,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 19:01:50,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 19:01:50,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:01:50" (1/2) ... [2021-03-12 19:01:50,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4a45c7 and model type queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 07:01:50, skipping insertion in model container [2021-03-12 19:01:50,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:01:50" (2/2) ... [2021-03-12 19:01:50,925 INFO L111 eAbstractionObserver]: Analyzing ICFG queue-add-3-nl.wvr.bpl [2021-03-12 19:01:50,930 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 19:01:50,930 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 19:01:50,933 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 19:01:50,934 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 19:01:51,012 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-12 19:01:51,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 19:01:51,089 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 19:01:51,089 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 19:01:51,090 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 19:01:51,090 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 19:01:51,090 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 19:01:51,090 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 19:01:51,090 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 19:01:51,090 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 19:01:51,246 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:01:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:01:51,252 INFO L82 PathProgramCache]: Analyzing trace with hash -441052908, now seen corresponding path program 1 times [2021-03-12 19:01:51,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:01:51,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398548339] [2021-03-12 19:01:51,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:01:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:51,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:01:51,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398548339] [2021-03-12 19:01:51,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 19:01:51,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 19:01:51,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806799329] [2021-03-12 19:01:51,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 19:01:51,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:01:51,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 19:01:51,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 19:01:51,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:51,451 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:01:51,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 19:01:51,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:51,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:51,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 19:01:51,519 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:01:51,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:01:51,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1870053432, now seen corresponding path program 1 times [2021-03-12 19:01:51,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:01:51,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410852666] [2021-03-12 19:01:51,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:01:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:01:51,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410852666] [2021-03-12 19:01:51,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 19:01:51,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 19:01:51,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336569403] [2021-03-12 19:01:51,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 19:01:51,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:01:51,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 19:01:51,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 19:01:51,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:51,592 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:01:51,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 19:01:51,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:51,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:51,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:51,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 19:01:51,634 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:01:51,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:01:51,635 INFO L82 PathProgramCache]: Analyzing trace with hash -710020836, now seen corresponding path program 1 times [2021-03-12 19:01:51,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:01:51,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057334313] [2021-03-12 19:01:51,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:01:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:52,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:01:52,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057334313] [2021-03-12 19:01:52,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904843170] [2021-03-12 19:01:52,104 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 [2021-03-12 19:01:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:52,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 19:01:52,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:01:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:01:52,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:01:52,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-03-12 19:01:52,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018626005] [2021-03-12 19:01:52,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 19:01:52,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:01:52,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 19:01:52,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-03-12 19:01:52,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:52,473 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:01:52,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 15 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) [2021-03-12 19:01:52,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:52,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:52,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:52,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:52,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:52,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:52,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:52,819 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:01:52,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:01:52,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1068708832, now seen corresponding path program 1 times [2021-03-12 19:01:52,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:01:52,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468966880] [2021-03-12 19:01:52,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:01:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:01:52,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468966880] [2021-03-12 19:01:52,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897834430] [2021-03-12 19:01:52,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:52,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 19:01:52,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:01:53,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:01:53,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:01:53,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:01:53,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:01:53,098 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-03-12 19:01:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:01:53,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:01:53,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-12 19:01:53,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125569658] [2021-03-12 19:01:53,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 19:01:53,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:01:53,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 19:01:53,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-12 19:01:53,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:53,143 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:01:53,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 19:01:53,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:53,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:53,410 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:01:53,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:01:53,410 INFO L82 PathProgramCache]: Analyzing trace with hash 650527548, now seen corresponding path program 2 times [2021-03-12 19:01:53,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:01:53,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905829572] [2021-03-12 19:01:53,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:01:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:01:53,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905829572] [2021-03-12 19:01:53,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110727921] [2021-03-12 19:01:53,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:53,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:01:53,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:01:53,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-12 19:01:53,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:01:53,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-12 19:01:53,609 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:01:53,611 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:01:53,611 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:01:53,612 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2021-03-12 19:01:53,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-03-12 19:01:53,698 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:01:53,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:01:53,700 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:01:53,700 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2021-03-12 19:01:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 19:01:53,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:01:53,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-03-12 19:01:53,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348326776] [2021-03-12 19:01:53,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 19:01:53,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:01:53,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 19:01:53,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-03-12 19:01:53,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:53,720 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:01:53,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 13 states have internal predecessors, (81), 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) [2021-03-12 19:01:53,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:53,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:53,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:53,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:53,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:01:54,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:54,156 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:01:54,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:01:54,157 INFO L82 PathProgramCache]: Analyzing trace with hash -378818408, now seen corresponding path program 3 times [2021-03-12 19:01:54,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:01:54,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360362951] [2021-03-12 19:01:54,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:01:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:01:54,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360362951] [2021-03-12 19:01:54,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900304078] [2021-03-12 19:01:54,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:54,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 19:01:54,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:01:54,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 48 conjunts are in the unsatisfiable core [2021-03-12 19:01:54,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:01:55,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-03-12 19:01:55,172 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:01:55,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:01:55,185 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:01:55,185 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:52, output treesize:41 [2021-03-12 19:01:55,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:01:55,469 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:01:55,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:01:55,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:01:55,480 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:33 [2021-03-12 19:01:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:01:55,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:01:55,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 37 [2021-03-12 19:01:55,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019898126] [2021-03-12 19:01:55,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-03-12 19:01:55,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:01:55,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-03-12 19:01:55,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1301, Unknown=0, NotChecked=0, Total=1406 [2021-03-12 19:01:55,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:55,826 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:01:55,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.1315789473684212) internal successors, (81), 37 states have internal predecessors, (81), 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) [2021-03-12 19:01:55,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:55,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:55,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:55,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:55,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:01:55,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:56,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:01:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:01:56,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-12 19:01:56,479 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:01:56,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:01:56,480 INFO L82 PathProgramCache]: Analyzing trace with hash -475525804, now seen corresponding path program 4 times [2021-03-12 19:01:56,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:01:56,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477727881] [2021-03-12 19:01:56,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:01:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:56,557 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-03-12 19:01:56,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477727881] [2021-03-12 19:01:56,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296838574] [2021-03-12 19:01:56,558 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:56,593 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 19:01:56,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:01:56,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 19:01:56,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:01:56,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:01:56,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:01:56,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:01:56,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:01:56,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-03-12 19:01:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-03-12 19:01:56,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:01:56,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-03-12 19:01:56,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879700061] [2021-03-12 19:01:56,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 19:01:56,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:01:56,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 19:01:56,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-03-12 19:01:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:56,739 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:01:56,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 19:01:56,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:56,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:56,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:56,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:56,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:01:56,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:01:56,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:01:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:01:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:01:57,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:57,089 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:01:57,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:01:57,089 INFO L82 PathProgramCache]: Analyzing trace with hash 144412536, now seen corresponding path program 5 times [2021-03-12 19:01:57,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:01:57,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166849357] [2021-03-12 19:01:57,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:01:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 19:01:57,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166849357] [2021-03-12 19:01:57,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842088985] [2021-03-12 19:01:57,305 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:57,346 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 19:01:57,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:01:57,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-12 19:01:57,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:01:57,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:01:57,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:01:57,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:01:57,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:01:57,469 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:9 [2021-03-12 19:01:57,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:01:57,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:01:57,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:01:57,567 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:01:57,568 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-03-12 19:01:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 19:01:57,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:01:57,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 20 [2021-03-12 19:01:57,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458525128] [2021-03-12 19:01:57,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 19:01:57,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:01:57,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 19:01:57,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-03-12 19:01:57,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:57,603 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:01:57,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 20 states have internal predecessors, (99), 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) [2021-03-12 19:01:57,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:57,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:57,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:57,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:57,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:01:57,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:01:57,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:01:57,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:01:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:01:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:01:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:01:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:01:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:01:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:01:58,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:58,166 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:01:58,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:01:58,167 INFO L82 PathProgramCache]: Analyzing trace with hash -77026852, now seen corresponding path program 6 times [2021-03-12 19:01:58,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:01:58,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529230824] [2021-03-12 19:01:58,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:01:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:01:59,494 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:01:59,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529230824] [2021-03-12 19:01:59,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107017582] [2021-03-12 19:01:59,495 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:01:59,566 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 19:01:59,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:01:59,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 70 conjunts are in the unsatisfiable core [2021-03-12 19:01:59,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:00,300 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-03-12 19:02:00,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2021-03-12 19:02:00,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:00,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:00,317 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:00,317 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:54 [2021-03-12 19:02:00,894 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-03-12 19:02:00,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2021-03-12 19:02:00,895 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:00,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:00,912 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:00,913 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:33 [2021-03-12 19:02:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:02:01,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:01,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 53 [2021-03-12 19:02:01,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979997975] [2021-03-12 19:02:01,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-03-12 19:02:01,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:01,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-03-12 19:02:01,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2721, Unknown=0, NotChecked=0, Total=2862 [2021-03-12 19:02:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:01,440 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:01,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 2.0) internal successors, (108), 53 states have internal predecessors, (108), 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) [2021-03-12 19:02:01,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:01,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:01,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:01,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:01,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:01,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:01,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:01,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:01,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:02,550 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-03-12 19:02:02,550 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:02,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:02,551 INFO L82 PathProgramCache]: Analyzing trace with hash -729301600, now seen corresponding path program 7 times [2021-03-12 19:02:02,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:02,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387961176] [2021-03-12 19:02:02,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-03-12 19:02:02,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387961176] [2021-03-12 19:02:02,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726992903] [2021-03-12 19:02:02,646 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:02:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:02,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 19:02:02,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:02,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:02:02,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-03-12 19:02:02,941 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:02,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:02,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:02,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-03-12 19:02:02,989 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-03-12 19:02:02,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:02,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-03-12 19:02:02,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682849494] [2021-03-12 19:02:02,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 19:02:02,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:02,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 19:02:02,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-12 19:02:02,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:02,990 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:02,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 13 states have internal predecessors, (85), 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) [2021-03-12 19:02:02,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:02,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:02,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:02,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:02,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:02,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:02,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:02,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:02,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:02,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:03,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:02:03,524 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:03,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:03,524 INFO L82 PathProgramCache]: Analyzing trace with hash 2014665212, now seen corresponding path program 8 times [2021-03-12 19:02:03,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:03,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608344136] [2021-03-12 19:02:03,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 19:02:03,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608344136] [2021-03-12 19:02:03,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733420466] [2021-03-12 19:02:03,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:02:03,816 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:02:03,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:02:03,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 19:02:03,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:03,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-12 19:02:03,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:03,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:03,913 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:03,913 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:5 [2021-03-12 19:02:04,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-12 19:02:04,038 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:04,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:04,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:04,040 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-03-12 19:02:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-03-12 19:02:04,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:04,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2021-03-12 19:02:04,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91259821] [2021-03-12 19:02:04,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 19:02:04,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:04,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 19:02:04,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-03-12 19:02:04,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:04,068 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:04,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 5.2) internal successors, (130), 24 states have internal predecessors, (130), 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) [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:04,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:04,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:05,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:02:05,062 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:05,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:05,062 INFO L82 PathProgramCache]: Analyzing trace with hash -474164776, now seen corresponding path program 9 times [2021-03-12 19:02:05,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:05,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672176701] [2021-03-12 19:02:05,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:06,992 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-12 19:02:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:02:07,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672176701] [2021-03-12 19:02:07,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327804677] [2021-03-12 19:02:07,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:02:07,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 19:02:07,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:02:07,696 WARN L261 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 102 conjunts are in the unsatisfiable core [2021-03-12 19:02:07,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:09,150 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-03-12 19:02:09,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 25 [2021-03-12 19:02:09,152 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:09,169 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:09,170 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:09,170 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:55 [2021-03-12 19:02:10,744 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-03-12 19:02:10,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 18 [2021-03-12 19:02:10,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:10,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:10,758 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:10,759 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:35 [2021-03-12 19:02:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:02:11,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:11,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 42] total 70 [2021-03-12 19:02:11,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743671580] [2021-03-12 19:02:11,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-03-12 19:02:11,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:11,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-03-12 19:02:11,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=4787, Unknown=0, NotChecked=0, Total=4970 [2021-03-12 19:02:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:11,437 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:11,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 1.7605633802816902) internal successors, (125), 70 states have internal predecessors, (125), 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) [2021-03-12 19:02:11,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:11,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:11,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:11,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:11,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:11,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:11,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:11,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:11,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:11,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:11,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:11,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:12,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:12,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:13,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-12 19:02:13,189 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:13,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:13,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1340292500, now seen corresponding path program 10 times [2021-03-12 19:02:13,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:13,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970815041] [2021-03-12 19:02:13,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-03-12 19:02:13,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970815041] [2021-03-12 19:02:13,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592502605] [2021-03-12 19:02:13,460 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 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 [2021-03-12 19:02:13,512 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 19:02:13,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:02:13,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-12 19:02:13,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:13,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:02:13,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:02:13,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:13,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:13,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:13,833 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-03-12 19:02:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-03-12 19:02:13,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:13,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-03-12 19:02:13,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481269679] [2021-03-12 19:02:13,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 19:02:13,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:13,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 19:02:13,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-03-12 19:02:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:13,882 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:13,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 5.9411764705882355) internal successors, (101), 16 states have internal predecessors, (101), 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) [2021-03-12 19:02:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:13,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:13,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:13,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:13,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:13,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:13,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:13,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:13,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:13,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:14,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:14,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:14,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:14,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-12 19:02:14,395 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:14,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:14,396 INFO L82 PathProgramCache]: Analyzing trace with hash -970272072, now seen corresponding path program 11 times [2021-03-12 19:02:14,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:14,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677141481] [2021-03-12 19:02:14,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 1 proven. 98 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-03-12 19:02:14,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677141481] [2021-03-12 19:02:14,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403264138] [2021-03-12 19:02:14,593 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 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 [2021-03-12 19:02:14,659 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-12 19:02:14,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:02:14,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-12 19:02:14,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:14,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-12 19:02:14,726 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:14,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:14,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:14,730 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2021-03-12 19:02:14,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-12 19:02:14,981 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:14,983 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:14,983 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:14,984 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-03-12 19:02:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-03-12 19:02:14,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:14,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-03-12 19:02:14,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127529734] [2021-03-12 19:02:14,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 19:02:14,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:14,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 19:02:14,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-03-12 19:02:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:14,997 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:14,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 15 states have internal predecessors, (81), 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) [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:15,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:16,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-12 19:02:16,039 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:16,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:16,040 INFO L82 PathProgramCache]: Analyzing trace with hash 555839132, now seen corresponding path program 12 times [2021-03-12 19:02:16,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:16,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376630303] [2021-03-12 19:02:16,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:02:19,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376630303] [2021-03-12 19:02:19,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377211231] [2021-03-12 19:02:19,493 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 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 [2021-03-12 19:02:19,561 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 19:02:19,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:02:19,563 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 126 conjunts are in the unsatisfiable core [2021-03-12 19:02:19,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:21,261 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-03-12 19:02:21,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 35 [2021-03-12 19:02:21,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:21,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:21,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:21,321 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:102, output treesize:62 [2021-03-12 19:02:23,269 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-03-12 19:02:23,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 22 [2021-03-12 19:02:23,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:23,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:23,285 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:23,285 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:78, output treesize:35 [2021-03-12 19:02:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:02:24,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:24,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 49] total 82 [2021-03-12 19:02:24,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716353849] [2021-03-12 19:02:24,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-03-12 19:02:24,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:24,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-03-12 19:02:24,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=6598, Unknown=0, NotChecked=0, Total=6806 [2021-03-12 19:02:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:24,080 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:24,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 1.819277108433735) internal successors, (151), 82 states have internal predecessors, (151), 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) [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:24,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:24,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:24,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:24,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:26,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:26,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:26,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:26,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:02:26,472 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:26,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:26,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1021930656, now seen corresponding path program 13 times [2021-03-12 19:02:26,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:26,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212777858] [2021-03-12 19:02:26,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-03-12 19:02:26,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212777858] [2021-03-12 19:02:26,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869840151] [2021-03-12 19:02:26,599 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 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 [2021-03-12 19:02:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:26,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 19:02:26,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:27,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:02:27,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:02:27,043 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:27,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:27,050 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:27,050 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-03-12 19:02:27,105 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-03-12 19:02:27,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:27,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-03-12 19:02:27,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918735164] [2021-03-12 19:02:27,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 19:02:27,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:27,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 19:02:27,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2021-03-12 19:02:27,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:27,108 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:27,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 5.85) internal successors, (117), 19 states have internal predecessors, (117), 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) [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:27,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:27,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:27,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:27,515 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-03-12 19:02:28,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:02:28,575 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-12 19:02:28,576 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:28,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:28,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1182434116, now seen corresponding path program 14 times [2021-03-12 19:02:28,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:28,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121251305] [2021-03-12 19:02:28,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 19:02:28,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121251305] [2021-03-12 19:02:28,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108821509] [2021-03-12 19:02:28,994 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 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 [2021-03-12 19:02:29,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:02:29,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:02:29,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-12 19:02:29,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:29,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-12 19:02:29,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:29,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:29,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:29,258 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:5 [2021-03-12 19:02:29,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-12 19:02:29,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:29,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:29,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:29,574 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-03-12 19:02:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-03-12 19:02:29,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:29,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 15] total 36 [2021-03-12 19:02:29,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818920173] [2021-03-12 19:02:29,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-03-12 19:02:29,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:29,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-03-12 19:02:29,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1240, Unknown=0, NotChecked=0, Total=1332 [2021-03-12 19:02:29,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:29,614 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:29,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 4.918918918918919) internal successors, (182), 36 states have internal predecessors, (182), 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) [2021-03-12 19:02:29,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:29,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:29,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:29,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:02:29,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:02:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:02:31,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-12 19:02:31,394 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:31,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:31,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1421109016, now seen corresponding path program 15 times [2021-03-12 19:02:31,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:31,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389136062] [2021-03-12 19:02:31,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:36,519 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:02:36,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389136062] [2021-03-12 19:02:36,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509362878] [2021-03-12 19:02:36,520 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 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 [2021-03-12 19:02:36,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-03-12 19:02:36,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:02:36,623 WARN L261 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 154 conjunts are in the unsatisfiable core [2021-03-12 19:02:36,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:39,915 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-03-12 19:02:39,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 85 treesize of output 45 [2021-03-12 19:02:39,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:39,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:39,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:39,945 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:124, output treesize:69 [2021-03-12 19:02:43,130 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-03-12 19:02:43,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2021-03-12 19:02:43,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:43,145 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:43,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:43,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:90, output treesize:35 [2021-03-12 19:02:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:02:44,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:44,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 60] total 100 [2021-03-12 19:02:44,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306092575] [2021-03-12 19:02:44,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-03-12 19:02:44,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:44,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-03-12 19:02:44,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=9844, Unknown=0, NotChecked=0, Total=10100 [2021-03-12 19:02:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:44,388 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:44,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 1.7524752475247525) internal successors, (177), 100 states have internal predecessors, (177), 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) [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:02:44,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:02:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:02:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:02:48,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:02:48,482 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:48,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:48,483 INFO L82 PathProgramCache]: Analyzing trace with hash 553689556, now seen corresponding path program 16 times [2021-03-12 19:02:48,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:48,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110325543] [2021-03-12 19:02:48,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-03-12 19:02:48,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110325543] [2021-03-12 19:02:48,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709231973] [2021-03-12 19:02:48,690 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 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 [2021-03-12 19:02:48,741 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 19:02:48,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:02:48,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjunts are in the unsatisfiable core [2021-03-12 19:02:48,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:49,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:02:49,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:02:49,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:49,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:49,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:49,499 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-03-12 19:02:49,570 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-03-12 19:02:49,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:49,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-03-12 19:02:49,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343398681] [2021-03-12 19:02:49,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 19:02:49,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:49,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 19:02:49,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2021-03-12 19:02:49,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:49,571 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:49,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 5.782608695652174) internal successors, (133), 22 states have internal predecessors, (133), 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) [2021-03-12 19:02:49,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:49,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:49,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:49,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:49,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:49,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:49,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:49,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:49,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:02:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:02:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:02:49,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:50,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:02:50,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:02:50,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:02:50,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:50,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:02:50,491 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:50,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:50,492 INFO L82 PathProgramCache]: Analyzing trace with hash -2035447304, now seen corresponding path program 17 times [2021-03-12 19:02:50,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:50,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025589884] [2021-03-12 19:02:50,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 19:02:51,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025589884] [2021-03-12 19:02:51,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243730646] [2021-03-12 19:02:51,167 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 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 [2021-03-12 19:02:51,260 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-03-12 19:02:51,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:02:51,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-12 19:02:51,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:02:51,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-12 19:02:51,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:51,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:51,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:51,633 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:5 [2021-03-12 19:02:52,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-12 19:02:52,038 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:02:52,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:02:52,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:02:52,041 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-03-12 19:02:52,087 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-03-12 19:02:52,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:02:52,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 17] total 42 [2021-03-12 19:02:52,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411810361] [2021-03-12 19:02:52,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-03-12 19:02:52,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:02:52,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-03-12 19:02:52,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1698, Unknown=0, NotChecked=0, Total=1806 [2021-03-12 19:02:52,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:52,089 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:02:52,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 4.837209302325581) internal successors, (208), 42 states have internal predecessors, (208), 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) [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:52,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:02:52,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:02:52,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:02:52,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:52,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:02:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:02:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:02:54,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:02:54,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:02:54,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:02:55,190 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:02:55,190 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:02:55,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:02:55,192 INFO L82 PathProgramCache]: Analyzing trace with hash 368000860, now seen corresponding path program 18 times [2021-03-12 19:02:55,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:02:55,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999291157] [2021-03-12 19:02:55,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:02:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:02:57,002 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 19:03:03,588 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:03:03,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999291157] [2021-03-12 19:03:03,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511076470] [2021-03-12 19:03:03,589 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 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 [2021-03-12 19:03:03,662 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-03-12 19:03:03,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:03:03,666 WARN L261 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 179 conjunts are in the unsatisfiable core [2021-03-12 19:03:03,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:03:07,300 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:03:09,154 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-03-12 19:03:09,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 99 treesize of output 55 [2021-03-12 19:03:09,157 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:03:09,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:03:09,207 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:03:09,207 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:138, output treesize:76 [2021-03-12 19:03:17,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:03:17,202 INFO L354 Elim1Store]: treesize reduction 51, result has 13.6 percent of original size [2021-03-12 19:03:17,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 38 [2021-03-12 19:03:17,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:03:17,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:03:17,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:03:17,252 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:113, output treesize:45 [2021-03-12 19:03:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:03:20,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:03:20,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 70] total 121 [2021-03-12 19:03:20,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784454055] [2021-03-12 19:03:20,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 122 states [2021-03-12 19:03:20,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:03:20,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2021-03-12 19:03:20,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=14470, Unknown=0, NotChecked=0, Total=14762 [2021-03-12 19:03:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:03:20,281 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:03:20,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 122 states, 122 states have (on average 1.7377049180327868) internal successors, (212), 121 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) [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:20,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:03:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:03:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:03:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:03:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:03:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:03:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:03:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:03:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:03:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:03:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:03:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:03:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:03:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:03:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:03:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:03:27,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:03:27,614 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-12 19:03:27,614 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:03:27,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:03:27,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1535554848, now seen corresponding path program 19 times [2021-03-12 19:03:27,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:03:27,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20111748] [2021-03-12 19:03:27,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:03:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:03:27,987 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-03-12 19:03:27,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20111748] [2021-03-12 19:03:27,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846579654] [2021-03-12 19:03:27,987 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 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 [2021-03-12 19:03:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:03:28,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-12 19:03:28,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:03:28,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:03:28,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-03-12 19:03:28,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:03:28,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:03:28,919 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:03:28,919 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-03-12 19:03:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-03-12 19:03:29,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:03:29,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-03-12 19:03:29,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430476612] [2021-03-12 19:03:29,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-03-12 19:03:29,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:03:29,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-03-12 19:03:29,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2021-03-12 19:03:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:03:29,052 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:03:29,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 25 states have internal predecessors, (149), 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) [2021-03-12 19:03:29,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:03:29,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:03:29,716 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:03:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:03:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:03:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:03:30,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:03:30,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-12 19:03:30,827 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:03:30,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:03:30,828 INFO L82 PathProgramCache]: Analyzing trace with hash -246568068, now seen corresponding path program 20 times [2021-03-12 19:03:30,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:03:30,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661842758] [2021-03-12 19:03:30,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:03:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:03:31,354 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 1 proven. 287 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-03-12 19:03:31,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661842758] [2021-03-12 19:03:31,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917815072] [2021-03-12 19:03:31,355 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 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 [2021-03-12 19:03:31,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:03:31,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:03:31,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 36 conjunts are in the unsatisfiable core [2021-03-12 19:03:31,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:03:31,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-12 19:03:31,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:03:31,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:03:31,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:03:31,626 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2021-03-12 19:03:31,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:03:31,932 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:03:31,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-03-12 19:03:31,937 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 19:03:31,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:03:31,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 19:03:31,944 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2021-03-12 19:03:31,986 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-03-12 19:03:31,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:03:31,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-03-12 19:03:31,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101529465] [2021-03-12 19:03:31,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 19:03:31,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:03:31,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 19:03:31,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2021-03-12 19:03:31,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:03:31,988 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:03:31,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 5.285714285714286) internal successors, (111), 20 states have internal predecessors, (111), 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) [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:03:31,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:03:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:03:34,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:03:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:03:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:03:34,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:03:34,463 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:03:34,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:03:34,469 INFO L82 PathProgramCache]: Analyzing trace with hash -2139393960, now seen corresponding path program 21 times [2021-03-12 19:03:34,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:03:34,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163190750] [2021-03-12 19:03:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:03:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:03:34,981 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-03-12 19:03:44,468 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-03-12 19:03:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:03:49,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163190750] [2021-03-12 19:03:49,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173371035] [2021-03-12 19:03:49,639 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 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 [2021-03-12 19:03:49,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-03-12 19:03:49,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:03:49,708 WARN L261 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 206 conjunts are in the unsatisfiable core [2021-03-12 19:03:49,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:03:58,557 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-03-12 19:03:58,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 121 treesize of output 65 [2021-03-12 19:03:58,562 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:03:58,612 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:03:58,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:03:58,614 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:160, output treesize:83 [2021-03-12 19:04:09,889 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-03-12 19:04:09,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2021-03-12 19:04:09,893 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:04:09,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:04:09,923 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:04:09,923 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:114, output treesize:35 [2021-03-12 19:04:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:04:14,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:04:14,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 78] total 132 [2021-03-12 19:04:14,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545862510] [2021-03-12 19:04:14,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 133 states [2021-03-12 19:04:14,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:04:14,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2021-03-12 19:04:14,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=17220, Unknown=0, NotChecked=0, Total=17556 [2021-03-12 19:04:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:04:14,327 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:04:14,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 133 states, 133 states have (on average 1.7218045112781954) internal successors, (229), 132 states have internal predecessors, (229), 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) [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:04:14,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:04:14,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:04:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:04:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:04:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:04:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:04:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:04:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:04:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:04:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:04:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:04:29,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:04:29,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:04:29,724 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:04:29,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:04:29,724 INFO L82 PathProgramCache]: Analyzing trace with hash -669435372, now seen corresponding path program 22 times [2021-03-12 19:04:29,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:04:29,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370913989] [2021-03-12 19:04:29,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:04:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:04:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-03-12 19:04:30,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370913989] [2021-03-12 19:04:30,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093712326] [2021-03-12 19:04:30,430 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 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 [2021-03-12 19:04:30,493 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 19:04:30,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:04:30,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 34 conjunts are in the unsatisfiable core [2021-03-12 19:04:30,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:04:32,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:04:32,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:04:32,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:04:32,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:04:32,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:04:32,550 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-03-12 19:04:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-03-12 19:04:32,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:04:32,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-03-12 19:04:32,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672759508] [2021-03-12 19:04:32,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-12 19:04:32,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:04:32,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-12 19:04:32,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2021-03-12 19:04:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:04:32,838 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:04:32,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 5.689655172413793) internal successors, (165), 28 states have internal predecessors, (165), 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) [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:32,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:04:32,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:04:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:04:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:04:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:04:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:04:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:04:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:04:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:04:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:04:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:04:34,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:04:35,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:04:35,144 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:04:35,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:04:35,144 INFO L82 PathProgramCache]: Analyzing trace with hash 925676856, now seen corresponding path program 23 times [2021-03-12 19:04:35,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:04:35,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147975903] [2021-03-12 19:04:35,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:04:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:04:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 1 proven. 372 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-03-12 19:04:36,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147975903] [2021-03-12 19:04:36,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631321906] [2021-03-12 19:04:36,057 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 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 [2021-03-12 19:04:36,122 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-03-12 19:04:36,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:04:36,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 40 conjunts are in the unsatisfiable core [2021-03-12 19:04:36,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:04:36,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-12 19:04:36,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:04:36,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:04:36,620 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:04:36,620 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2021-03-12 19:04:37,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-03-12 19:04:37,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:04:37,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:04:37,226 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-12 19:04:37,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:04:37,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 19:04:37,238 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2021-03-12 19:04:37,281 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-03-12 19:04:37,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:04:37,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-03-12 19:04:37,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117029961] [2021-03-12 19:04:37,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 19:04:37,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:04:37,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 19:04:37,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=461, Unknown=0, NotChecked=0, Total=506 [2021-03-12 19:04:37,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:04:37,282 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:04:37,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 5.304347826086956) internal successors, (122), 22 states have internal predecessors, (122), 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) [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:04:37,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:04:37,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:04:37,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:04:37,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:04:37,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:04:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:04:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:04:41,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-03-12 19:04:41,381 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:04:41,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:04:41,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1435952100, now seen corresponding path program 24 times [2021-03-12 19:04:41,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:04:41,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058122322] [2021-03-12 19:04:41,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:04:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:05:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 534 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:05:08,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058122322] [2021-03-12 19:05:08,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662047740] [2021-03-12 19:05:08,291 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 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 [2021-03-12 19:05:08,372 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-03-12 19:05:08,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:05:08,376 WARN L261 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 228 conjunts are in the unsatisfiable core [2021-03-12 19:05:08,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:05:09,997 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 19:05:14,977 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:05:16,285 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:05:16,970 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:05:17,687 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:05:19,071 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:05:21,074 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 19:05:21,804 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 19:05:22,523 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 19:05:23,260 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 19:05:24,018 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 19:05:24,773 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-12 19:05:25,517 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-12 19:05:26,284 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-12 19:05:26,363 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-03-12 19:05:26,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 139 treesize of output 75 [2021-03-12 19:05:26,370 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:05:26,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:05:26,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:05:26,475 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:178, output treesize:90 [2021-03-12 19:05:32,055 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:05:38,480 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:05:41,853 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 19:05:44,683 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-03-12 19:05:44,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 38 [2021-03-12 19:05:44,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:05:44,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:05:44,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:05:44,731 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:130, output treesize:35 [2021-03-12 19:05:46,149 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-03-12 19:05:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 534 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:05:50,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:05:50,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 84] total 144 [2021-03-12 19:05:50,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850235099] [2021-03-12 19:05:50,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 145 states [2021-03-12 19:05:50,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:05:50,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2021-03-12 19:05:50,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=20522, Unknown=0, NotChecked=0, Total=20880 [2021-03-12 19:05:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:05:50,298 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:05:50,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 145 states, 145 states have (on average 1.710344827586207) internal successors, (248), 144 states have internal predecessors, (248), 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) [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:05:50,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:05:50,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:05:50,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:05:50,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:05:50,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:05:50,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:05:50,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:05:50,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:05:50,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:06:09,875 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 19:06:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:06:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:06:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:06:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:06:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:06:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:06:14,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:06:14,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:06:14,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-03-12 19:06:14,706 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:06:14,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:06:14,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1283513632, now seen corresponding path program 25 times [2021-03-12 19:06:14,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:06:14,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475972071] [2021-03-12 19:06:14,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:06:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:06:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-03-12 19:06:16,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475972071] [2021-03-12 19:06:16,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646317916] [2021-03-12 19:06:16,137 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 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 [2021-03-12 19:06:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:06:16,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 38 conjunts are in the unsatisfiable core [2021-03-12 19:06:16,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:06:19,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:06:19,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:06:19,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:06:20,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:06:20,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:06:20,029 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-03-12 19:06:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-03-12 19:06:20,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:06:20,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-03-12 19:06:20,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958008433] [2021-03-12 19:06:20,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-03-12 19:06:20,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:06:20,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-03-12 19:06:20,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=921, Unknown=0, NotChecked=0, Total=992 [2021-03-12 19:06:20,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:06:20,674 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:06:20,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 5.65625) internal successors, (181), 31 states have internal predecessors, (181), 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) [2021-03-12 19:06:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:06:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:06:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:06:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:06:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:06:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:06:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:06:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:06:20,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:06:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:06:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:06:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:06:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:06:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:06:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:06:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:06:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:06:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:06:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:06:24,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:06:24,639 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-03-12 19:06:24,640 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:06:24,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:06:24,642 INFO L82 PathProgramCache]: Analyzing trace with hash -417012164, now seen corresponding path program 26 times [2021-03-12 19:06:24,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:06:24,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684474319] [2021-03-12 19:06:24,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:06:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:06:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 1 proven. 468 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-03-12 19:06:26,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684474319] [2021-03-12 19:06:26,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807695106] [2021-03-12 19:06:26,341 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 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 [2021-03-12 19:06:26,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:06:26,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:06:26,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 44 conjunts are in the unsatisfiable core [2021-03-12 19:06:26,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:06:27,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-12 19:06:27,808 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:06:27,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:06:27,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:06:27,822 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2021-03-12 19:06:28,491 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-03-12 19:06:29,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-12 19:06:29,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:06:29,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:06:29,423 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:06:29,424 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-03-12 19:06:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 469 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-03-12 19:06:29,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:06:29,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 25 [2021-03-12 19:06:29,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506254835] [2021-03-12 19:06:29,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-03-12 19:06:29,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:06:29,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-03-12 19:06:29,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=598, Unknown=0, NotChecked=0, Total=650 [2021-03-12 19:06:29,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:06:29,541 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:06:29,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 5.230769230769231) internal successors, (136), 25 states have internal predecessors, (136), 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) [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:06:29,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:06:29,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:06:32,485 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 18 [2021-03-12 19:06:35,323 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 19 [2021-03-12 19:06:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:06:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:06:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:06:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:06:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:06:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:06:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:06:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:06:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:06:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:06:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:06:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:06:37,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:06:38,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-12 19:06:38,165 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:06:38,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:06:38,166 INFO L82 PathProgramCache]: Analyzing trace with hash -642060904, now seen corresponding path program 27 times [2021-03-12 19:06:38,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:06:38,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895808519] [2021-03-12 19:06:38,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:06:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:06:40,563 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 19:06:41,256 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:06:41,524 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:06:41,800 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:06:42,351 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:06:42,930 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:06:43,268 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:06:43,600 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:06:43,945 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:06:44,293 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:06:44,676 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:06:45,075 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:06:45,446 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:06:45,832 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:06:46,250 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:06:46,644 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:06:46,994 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:06:47,390 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:06:47,757 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:06:48,111 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:06:48,505 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:06:48,906 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:06:49,299 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:06:49,734 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:06:50,169 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:06:50,688 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:06:51,201 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:06:51,644 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:06:52,093 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:06:52,580 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:06:53,069 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:06:53,550 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:06:54,070 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:06:54,571 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:06:55,084 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:06:55,623 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:06:56,191 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:06:56,744 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:06:57,296 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:06:57,930 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:06:58,563 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:06:59,320 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:06:59,987 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 19:07:00,700 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 19:07:01,358 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:07:02,026 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:07:02,714 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:07:03,433 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 19:07:04,117 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:07:04,804 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:07:05,499 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 19:07:06,235 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:07:06,806 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:07:29,510 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-03-12 19:07:30,506 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-03-12 19:07:31,451 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-03-12 19:07:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:07:32,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895808519] [2021-03-12 19:07:32,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175531719] [2021-03-12 19:07:32,299 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 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 [2021-03-12 19:07:32,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-03-12 19:07:32,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:07:32,404 WARN L261 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 257 conjunts are in the unsatisfiable core [2021-03-12 19:07:32,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:07:34,979 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:07:36,092 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:07:37,201 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:07:38,744 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:07:39,746 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:07:40,876 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:07:42,021 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:07:43,152 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:07:44,342 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:07:45,559 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 19:07:46,664 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:07:47,799 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:07:48,963 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 19:07:50,111 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 19:07:51,207 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 19:07:52,261 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 19:07:53,331 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 19:07:54,527 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 19:07:55,685 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 19:07:56,881 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-12 19:07:57,960 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-12 19:07:59,027 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-12 19:08:00,086 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-12 19:08:01,149 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-12 19:08:02,313 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-12 19:08:03,553 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-03-12 19:08:04,748 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-03-12 19:08:04,851 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-03-12 19:08:04,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 153 treesize of output 85 [2021-03-12 19:08:04,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:08:04,991 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 19:08:04,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:08:04,998 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:08:04,999 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:192, output treesize:97 [2021-03-12 19:08:06,700 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:08:08,016 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:08:09,498 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:08:10,809 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:08:12,245 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:13,697 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:08:15,099 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:08:16,546 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:08:18,011 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:19,308 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:08:20,612 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:22,099 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:08:23,609 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:25,129 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:26,771 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:08:28,219 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:29,736 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:31,392 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:08:32,955 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:34,477 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:36,251 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:08:37,924 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:39,415 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:08:41,048 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 19:08:42,581 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:08:44,215 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:08:45,993 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 19:08:47,769 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:08:49,385 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:08:49,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:08:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 19:08:49,756 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-03-12 19:08:49,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 42 [2021-03-12 19:08:49,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:08:49,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:08:49,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:08:49,865 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:153, output treesize:38 [2021-03-12 19:09:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:09:00,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:00,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 95] total 167 [2021-03-12 19:09:00,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413898658] [2021-03-12 19:09:00,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 168 states [2021-03-12 19:09:00,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:00,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2021-03-12 19:09:00,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=27633, Unknown=0, NotChecked=0, Total=28056 [2021-03-12 19:09:00,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:00,544 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:00,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 168 states, 168 states have (on average 1.7261904761904763) internal successors, (290), 167 states have internal predecessors, (290), 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) [2021-03-12 19:09:00,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:09:00,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:09:00,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:09:00,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:09:00,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:00,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:09:00,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:09:00,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:00,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:09:00,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:09:00,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:26,242 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:09:32,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:09:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:09:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:09:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:09:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:09:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:09:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:09:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:09:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:09:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:09:32,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:09:32,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-03-12 19:09:32,733 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:32,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:32,734 INFO L82 PathProgramCache]: Analyzing trace with hash -523893164, now seen corresponding path program 28 times [2021-03-12 19:09:32,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:32,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990671659] [2021-03-12 19:09:32,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:34,505 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-03-12 19:09:34,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990671659] [2021-03-12 19:09:34,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314992596] [2021-03-12 19:09:34,506 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 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 [2021-03-12 19:09:34,571 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 19:09:34,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:34,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 42 conjunts are in the unsatisfiable core [2021-03-12 19:09:34,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:39,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:09:39,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 19:09:39,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:09:39,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:09:39,627 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:09:39,627 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-03-12 19:09:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-03-12 19:09:40,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:40,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-03-12 19:09:40,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230228995] [2021-03-12 19:09:40,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-03-12 19:09:40,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:40,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-03-12 19:09:40,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1112, Unknown=0, NotChecked=0, Total=1190 [2021-03-12 19:09:40,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:40,516 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:40,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 5.628571428571429) internal successors, (197), 34 states have internal predecessors, (197), 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) [2021-03-12 19:09:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:09:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:09:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:09:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:09:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:09:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:09:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:09:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:09:40,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:42,184 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:09:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:09:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:09:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:09:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:09:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:09:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:09:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:09:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:09:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:09:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:09:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:09:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:46,232 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:09:46,232 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:09:46,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:09:46,232 INFO L82 PathProgramCache]: Analyzing trace with hash 858870904, now seen corresponding path program 29 times [2021-03-12 19:09:46,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:09:46,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030008161] [2021-03-12 19:09:46,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:09:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:09:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 1 proven. 575 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-03-12 19:09:48,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030008161] [2021-03-12 19:09:48,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901612839] [2021-03-12 19:09:48,499 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 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 [2021-03-12 19:09:48,667 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-03-12 19:09:48,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:09:48,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 48 conjunts are in the unsatisfiable core [2021-03-12 19:09:48,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:09:50,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-12 19:09:50,399 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:09:50,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:09:50,424 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:09:50,425 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2021-03-12 19:09:52,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-12 19:09:52,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:09:52,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:09:52,119 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:09:52,119 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-03-12 19:09:52,226 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-03-12 19:09:52,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:09:52,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 27 [2021-03-12 19:09:52,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130503019] [2021-03-12 19:09:52,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-12 19:09:52,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:09:52,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-12 19:09:52,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=700, Unknown=0, NotChecked=0, Total=756 [2021-03-12 19:09:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:52,228 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:09:52,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 5.25) internal successors, (147), 27 states have internal predecessors, (147), 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) [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:09:52,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:09:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:09:55,715 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 18 [2021-03-12 19:09:56,391 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 11 [2021-03-12 19:09:59,319 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 19 [2021-03-12 19:09:59,682 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-03-12 19:10:02,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:10:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:10:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:10:02,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:10:02,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:10:02,912 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:10:02,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:10:02,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1353057500, now seen corresponding path program 30 times [2021-03-12 19:10:02,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:10:02,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071409824] [2021-03-12 19:10:02,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:10:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:10:05,700 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 19:10:05,940 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 19:10:06,194 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 19:10:06,462 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:10:06,748 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:10:07,055 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:10:07,428 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:10:07,761 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:10:08,099 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:10:08,438 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:10:08,810 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:10:09,192 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:10:09,577 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:10:09,987 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:10:10,410 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:10:10,829 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:10:11,246 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:11,667 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:12,100 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:12,553 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:10:13,024 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:13,493 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:10:13,904 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:10:14,361 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:10:14,810 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:15,299 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:10:15,850 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:10:16,358 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:10:16,895 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:17,454 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:10:17,987 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:10:18,567 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:10:19,120 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:19,700 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:20,364 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:10:20,921 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:21,476 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:22,069 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:10:22,683 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:23,349 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:23,990 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:10:24,658 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:10:25,282 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:10:25,945 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:26,611 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:10:27,293 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:10:27,988 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:10:28,723 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:10:29,472 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:10:30,270 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:10:31,073 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:10:31,974 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:10:32,935 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:10:33,835 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:10:34,701 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:10:35,604 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:10:36,488 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 19:10:37,367 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:10:38,217 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 19:10:39,063 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 19:10:39,942 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 19:10:40,792 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:10:41,603 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:10:42,430 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 19:10:43,296 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 19:10:44,194 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:10:45,112 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 19:10:46,069 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 19:10:47,108 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 19:10:48,074 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 19:10:49,020 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 19:10:53,753 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 19:11:13,549 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-03-12 19:11:14,834 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-03-12 19:11:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 0 proven. 817 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:11:17,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071409824] [2021-03-12 19:11:17,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690519255] [2021-03-12 19:11:17,237 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:11:17,331 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-03-12 19:11:17,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:11:17,335 WARN L261 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 280 conjunts are in the unsatisfiable core [2021-03-12 19:11:17,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:11:20,786 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:11:22,141 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:11:23,630 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:11:25,737 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:11:27,195 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:11:28,585 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:11:30,026 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 19:11:31,557 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:11:33,000 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 19:11:34,380 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 19:11:35,792 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 19:11:37,272 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 19:11:38,796 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 19:11:40,203 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 19:11:41,698 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 19:11:43,348 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 19:11:44,924 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-12 19:11:46,417 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-12 19:11:48,062 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-12 19:11:49,596 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-12 19:11:51,118 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-12 19:11:52,612 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-03-12 19:11:54,125 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-12 19:11:55,546 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-12 19:11:57,272 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-03-12 19:11:58,753 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-03-12 19:12:00,221 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-03-12 19:12:01,859 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-12 19:12:03,616 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-03-12 19:12:05,289 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-03-12 19:12:05,418 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-03-12 19:12:05,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 171 treesize of output 95 [2021-03-12 19:12:05,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:12:05,608 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:05,612 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:12:05,619 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:12:05,619 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:210, output treesize:104 [2021-03-12 19:12:10,251 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:12:11,873 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:12:13,543 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 19:12:15,333 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:17,026 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:12:18,984 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:20,946 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:12:22,869 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:24,839 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:26,889 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:12:28,959 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:30,860 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:32,897 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:12:35,155 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:37,210 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:39,369 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:12:41,506 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:43,868 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:46,123 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:12:48,322 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:50,379 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:52,681 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:12:54,850 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:56,909 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 19:12:59,235 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:13:01,198 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:13:03,317 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:13:03,437 INFO L354 Elim1Store]: treesize reduction 540, result has 0.2 percent of original size [2021-03-12 19:13:03,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 126 treesize of output 46 [2021-03-12 19:13:03,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:13:03,553 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-03-12 19:13:03,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:13:03,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:13:03,562 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:154, output treesize:35 [2021-03-12 19:13:09,521 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-03-12 19:13:15,994 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-12 19:13:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 0 proven. 817 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 19:13:18,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:13:18,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 102] total 177 [2021-03-12 19:13:18,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442263360] [2021-03-12 19:13:18,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 178 states [2021-03-12 19:13:18,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:13:18,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2021-03-12 19:13:18,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=31067, Unknown=0, NotChecked=0, Total=31506 [2021-03-12 19:13:18,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:13:18,098 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:13:18,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 178 states, 178 states have (on average 1.6853932584269662) internal successors, (300), 177 states have internal predecessors, (300), 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) [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:13:18,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:13:18,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:14:15,809 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:14:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:14:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:14:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:14:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:14:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:14:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:14:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:14:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:14:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:14:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:14:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:14:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:14:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:14:28,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 19:14:28,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-03-12 19:14:28,236 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:14:28,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:14:28,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1176951968, now seen corresponding path program 31 times [2021-03-12 19:14:28,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:14:28,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687409804] [2021-03-12 19:14:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:14:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:14:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-03-12 19:14:31,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687409804] [2021-03-12 19:14:31,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807886692] [2021-03-12 19:14:31,871 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:14:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:14:31,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 48 conjunts are in the unsatisfiable core [2021-03-12 19:14:31,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:14:42,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 19:14:42,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-03-12 19:14:42,315 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:14:42,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:14:42,382 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:14:42,382 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-03-12 19:14:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-03-12 19:14:44,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:14:44,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-03-12 19:14:44,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144789700] [2021-03-12 19:14:44,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-03-12 19:14:44,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:14:44,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-03-12 19:14:44,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1321, Unknown=0, NotChecked=0, Total=1406 [2021-03-12 19:14:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:14:44,232 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:14:44,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 5.605263157894737) internal successors, (213), 37 states have internal predecessors, (213), 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) [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:14:44,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 19:14:44,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:14:46,774 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:14:47,261 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 19:14:47,647 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 19:14:48,030 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 19:14:48,423 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 19:14:48,841 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 19:14:49,196 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 19:14:49,650 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 19:14:50,432 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 19:14:50,791 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-03-12 19:14:51,182 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-03-12 19:14:51,622 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-03-12 19:14:51,985 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:14:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:14:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 19:14:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:14:55,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:14:55,011 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:14:55,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:14:55,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1002296068, now seen corresponding path program 32 times [2021-03-12 19:14:55,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:14:55,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666761509] [2021-03-12 19:14:55,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:14:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:14:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 1 proven. 693 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-03-12 19:14:59,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666761509] [2021-03-12 19:14:59,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977967794] [2021-03-12 19:14:59,512 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 19:14:59,618 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 19:14:59,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 19:14:59,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 52 conjunts are in the unsatisfiable core [2021-03-12 19:14:59,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 19:15:02,760 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-03-12 19:15:03,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-03-12 19:15:03,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:15:03,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:15:03,317 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:15:03,317 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2021-03-12 19:15:04,634 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-03-12 19:15:06,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-03-12 19:15:06,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 19:15:06,846 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 19:15:06,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 19:15:06,854 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-03-12 19:15:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-03-12 19:15:07,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 19:15:07,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 29 [2021-03-12 19:15:07,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125875406] [2021-03-12 19:15:07,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-03-12 19:15:07,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 19:15:07,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-03-12 19:15:07,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=810, Unknown=0, NotChecked=0, Total=870 [2021-03-12 19:15:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:15:07,043 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 19:15:07,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 5.266666666666667) internal successors, (158), 29 states have internal predecessors, (158), 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) [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:15:07,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:15:07,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-12 19:15:07,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:15:07,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 19:15:08,648 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-03-12 19:15:09,721 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-03-12 19:15:13,646 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-03-12 19:15:14,217 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 18 [2021-03-12 19:15:14,778 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 10 [2021-03-12 19:15:15,389 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 11 [2021-03-12 19:15:20,914 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 19 [2021-03-12 19:15:21,621 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-03-12 19:15:27,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:15:27,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 19:15:27,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 19:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:15:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 19:15:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-12 19:15:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 19:15:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 19:15:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-03-12 19:15:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-12 19:15:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 19:15:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-12 19:15:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-12 19:15:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 19:15:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 19:15:27,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-03-12 19:15:27,840 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 19:15:27,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 19:15:27,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1637605080, now seen corresponding path program 33 times [2021-03-12 19:15:27,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 19:15:27,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592255340] [2021-03-12 19:15:27,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 19:15:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 19:15:28,403 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-03-12 19:15:28,541 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-03-12 19:15:28,715 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-03-12 19:15:28,961 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-03-12 19:15:29,185 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-03-12 19:15:29,496 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 19:15:29,794 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-03-12 19:15:30,036 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-03-12 19:15:30,319 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 19:15:30,631 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 19:15:31,030 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 19:15:31,385 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-03-12 19:15:31,771 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-03-12 19:15:32,160 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-03-12 19:15:32,638 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 19:15:33,075 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 19:15:33,520 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 19:15:34,104 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:15:34,637 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:15:35,154 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 19:15:35,691 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:15:36,319 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:15:36,921 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 19:15:37,430 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:15:38,033 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:15:38,687 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 19:15:39,395 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:15:40,119 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:15:40,864 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 19:15:41,639 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:15:42,438 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:15:43,266 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:15:44,062 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:15:44,900 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:15:45,734 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:15:46,572 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:15:47,354 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:15:48,155 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:15:49,026 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:15:49,821 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:15:50,672 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 19:15:51,473 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:15:52,313 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 19:15:53,137 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 19:15:53,995 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 19:15:54,956 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:15:55,826 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:15:56,685 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:15:57,583 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:15:58,517 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:15:59,494 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:16:00,399 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:16:01,382 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:16:02,377 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:16:03,385 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:16:04,376 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:16:05,427 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:16:06,506 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:16:07,619 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:16:08,695 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:16:09,752 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 19:16:10,732 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:16:11,725 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:16:12,802 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 19:16:13,897 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 19:16:14,924 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 19:16:15,990 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:16:17,040 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 19:16:18,065 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 19:16:19,063 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 19:16:20,101 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 19:16:21,188 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:16:22,271 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 19:16:23,369 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 64 Received shutdown request... [2021-03-12 19:16:23,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-12 19:16:23,495 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 19:16:23,507 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 19:16:23,507 INFO L202 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 07:16:23 BasicIcfg [2021-03-12 19:16:23,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 19:16:23,508 INFO L168 Benchmark]: Toolchain (without parser) took 872981.57 ms. Allocated memory was 255.9 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 236.8 MB in the beginning and 600.1 MB in the end (delta: -363.3 MB). Peak memory consumption was 639.3 MB. Max. memory is 16.0 GB. [2021-03-12 19:16:23,508 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 255.9 MB. Free memory was 238.2 MB in the beginning and 238.2 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 19:16:23,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.22 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 19:16:23,508 INFO L168 Benchmark]: Boogie Preprocessor took 15.53 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 19:16:23,509 INFO L168 Benchmark]: RCFGBuilder took 338.61 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 233.1 MB in the end (delta: 594.6 kB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. [2021-03-12 19:16:23,509 INFO L168 Benchmark]: TraceAbstraction took 872587.58 ms. Allocated memory was 255.9 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 232.4 MB in the beginning and 600.1 MB in the end (delta: -367.7 MB). Peak memory consumption was 633.3 MB. Max. memory is 16.0 GB. [2021-03-12 19:16:23,509 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 0.20 ms. Allocated memory is still 255.9 MB. Free memory was 238.2 MB in the beginning and 238.2 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 31.22 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.53 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 338.61 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 233.1 MB in the end (delta: 594.6 kB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 872587.58 ms. Allocated memory was 255.9 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 232.4 MB in the beginning and 600.1 MB in the end (delta: -367.7 MB). Peak memory consumption was 633.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 227059, positive: 209694, positive conditional: 209694, positive unconditional: 0, negative: 17365, negative conditional: 17365, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 209694, positive: 209694, positive conditional: 209694, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 209694, positive: 209694, positive conditional: 0, positive unconditional: 209694, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 165, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 165, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 209694, positive: 209529, positive conditional: 0, positive unconditional: 209529, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 165, unknown conditional: 0, unknown unconditional: 165] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 165, Positive conditional cache size: 0, Positive unconditional cache size: 165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 17365 - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 96). Cancelled while PartialOrderCegarLoop was analyzing trace of length 199 with TraceHistMax 12,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 76 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 872454.6ms, OverallIterations: 36, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 236305.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 941, 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: 479.5ms SsaConstructionTime, 2434.3ms SatisfiabilityAnalysisTime, 569572.8ms InterpolantComputationTime, 7486 NumberOfCodeBlocks, 7486 NumberOfCodeBlocksAsserted, 174 NumberOfCheckSat, 7418 ConstructedInterpolants, 554 QuantifiedInterpolants, 209347 SizeOfPredicates, 322 NumberOfNonLiveVariables, 8943 ConjunctsInSsa, 2324 ConjunctsInUnsatCore, 68 InterpolantComputations, 2 PerfectInterpolantSequences, 4113/21341 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