/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-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 02:26:14,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 02:26:14,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 02:26:14,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 02:26:14,258 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-SemanticLbe-Delay.epf [2021-03-13 02:26:14,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 02:26:14,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 02:26:14,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 02:26:14,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 02:26:14,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 02:26:14,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 02:26:14,295 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 02:26:14,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 02:26:14,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 02:26:14,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 02:26:14,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 02:26:14,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 02:26:14,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 02:26:14,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 02:26:14,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 02:26:14,296 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 02:26:14,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 02:26:14,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 02:26:14,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 02:26:14,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 02:26:14,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 02:26:14,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 02:26:14,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 02:26:14,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 02:26:14,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 02:26:14,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 02:26:14,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 02:26:14,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 02:26:14,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 02:26:14,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 02:26:14,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 02:26:14,297 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 02:26:14,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 02:26:14,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 02:26:14,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 02:26:14,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 02:26:14,562 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 02:26:14,570 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 02:26:14,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-03-13 02:26:14,571 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-03-13 02:26:14,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 02:26:14,602 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 02:26:14,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 02:26:14,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 02:26:14,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 02:26:14,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (1/1) ... [2021-03-13 02:26:14,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (1/1) ... [2021-03-13 02:26:14,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 02:26:14,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 02:26:14,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 02:26:14,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 02:26:14,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (1/1) ... [2021-03-13 02:26:14,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (1/1) ... [2021-03-13 02:26:14,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (1/1) ... [2021-03-13 02:26:14,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (1/1) ... [2021-03-13 02:26:14,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (1/1) ... [2021-03-13 02:26:14,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (1/1) ... [2021-03-13 02:26:14,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (1/1) ... [2021-03-13 02:26:14,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 02:26:14,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 02:26:14,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 02:26:14,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 02:26:14,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (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 [2021-03-13 02:26:14,692 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 02:26:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 02:26:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 02:26:14,692 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 02:26:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 02:26:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 02:26:14,693 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 02:26:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 02:26:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 02:26:14,693 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 02:26:14,832 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 02:26:14,832 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 02:26:14,834 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 02:26:14 BoogieIcfgContainer [2021-03-13 02:26:14,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 02:26:14,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 02:26:14,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 02:26:14,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 02:26:14,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 02:26:14" (1/2) ... [2021-03-13 02:26:14,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf4a971 and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 02:26:14, skipping insertion in model container [2021-03-13 02:26:14,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 02:26:14" (2/2) ... [2021-03-13 02:26:14,839 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-03-13 02:26:14,843 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 02:26:14,843 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 02:26:14,845 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 02:26:14,846 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 02:26:14,881 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-13 02:26:14,908 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 02:26:14,978 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 02:26:14,978 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 02:26:14,978 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 02:26:14,978 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 02:26:14,978 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 02:26:14,978 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 02:26:14,978 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 02:26:14,979 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 02:26:14,986 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 02:26:14,987 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 22 transitions, 60 flow [2021-03-13 02:26:14,992 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 22 transitions, 60 flow [2021-03-13 02:26:14,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 22 transitions, 60 flow [2021-03-13 02:26:15,016 INFO L129 PetriNetUnfolder]: 2/20 cut-off events. [2021-03-13 02:26:15,017 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-13 02:26:15,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 20 events. 2/20 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2021-03-13 02:26:15,023 INFO L116 LiptonReduction]: Number of co-enabled transitions 48 [2021-03-13 02:26:15,282 INFO L131 LiptonReduction]: Checked pairs total: 48 [2021-03-13 02:26:15,282 INFO L133 LiptonReduction]: Total number of compositions: 10 [2021-03-13 02:26:15,298 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:15,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:15,302 INFO L82 PathProgramCache]: Analyzing trace with hash -602945242, now seen corresponding path program 1 times [2021-03-13 02:26:15,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:15,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334967359] [2021-03-13 02:26:15,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:15,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334967359] [2021-03-13 02:26:15,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 02:26:15,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-13 02:26:15,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582298629] [2021-03-13 02:26:15,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 02:26:15,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:15,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 02:26:15,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 02:26:15,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:15,398 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:15,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-03-13 02:26:15,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:15,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 02:26:15,407 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:15,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:15,408 INFO L82 PathProgramCache]: Analyzing trace with hash -574151008, now seen corresponding path program 1 times [2021-03-13 02:26:15,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:15,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531276547] [2021-03-13 02:26:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:15,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531276547] [2021-03-13 02:26:15,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375160902] [2021-03-13 02:26:15,451 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 [2021-03-13 02:26:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:15,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-13 02:26:15,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:15,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:15,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2021-03-13 02:26:15,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887271550] [2021-03-13 02:26:15,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-13 02:26:15,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:15,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-13 02:26:15,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-13 02:26:15,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:15,552 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:15,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-03-13 02:26:15,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:15,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:15,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:15,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:15,809 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:15,810 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:15,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:15,810 INFO L82 PathProgramCache]: Analyzing trace with hash -619498215, now seen corresponding path program 1 times [2021-03-13 02:26:15,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:15,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052990094] [2021-03-13 02:26:15,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:15,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052990094] [2021-03-13 02:26:15,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879516129] [2021-03-13 02:26:15,891 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 [2021-03-13 02:26:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:15,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-13 02:26:15,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:16,025 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 9 treesize of output 5 [2021-03-13 02:26:16,030 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:16,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:16,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:16,033 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-13 02:26:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:16,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:16,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-13 02:26:16,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182401316] [2021-03-13 02:26:16,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-13 02:26:16,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:16,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-13 02:26:16,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-13 02:26:16,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:16,060 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:16,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:26:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:16,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:16,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:16,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:16,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:16,295 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:16,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:16,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1281956883, now seen corresponding path program 2 times [2021-03-13 02:26:16,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:16,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115609718] [2021-03-13 02:26:16,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:16,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115609718] [2021-03-13 02:26:16,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775947010] [2021-03-13 02:26:16,355 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 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 [2021-03-13 02:26:16,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:26:16,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:16,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-13 02:26:16,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:16,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:16,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-13 02:26:16,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524837028] [2021-03-13 02:26:16,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-13 02:26:16,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:16,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-13 02:26:16,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-13 02:26:16,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:16,512 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:16,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 states have internal predecessors, (19), 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) [2021-03-13 02:26:16,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:16,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:16,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:16,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:16,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:16,839 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:16,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:16,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1085271558, now seen corresponding path program 3 times [2021-03-13 02:26:16,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:16,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906471757] [2021-03-13 02:26:16,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:16,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906471757] [2021-03-13 02:26:16,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595220089] [2021-03-13 02:26:16,972 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 [2021-03-13 02:26:16,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-13 02:26:16,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:16,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-13 02:26:16,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:17,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-03-13 02:26:17,067 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:17,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:17,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:17,071 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:8 [2021-03-13 02:26:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:17,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:17,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-13 02:26:17,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211310383] [2021-03-13 02:26:17,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-13 02:26:17,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:17,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-13 02:26:17,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-03-13 02:26:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:17,095 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:17,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:26:17,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:17,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:17,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:17,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:17,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:17,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:17,560 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:17,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:17,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1272447360, now seen corresponding path program 4 times [2021-03-13 02:26:17,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:17,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918643459] [2021-03-13 02:26:17,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:17,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918643459] [2021-03-13 02:26:17,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748914234] [2021-03-13 02:26:17,628 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 [2021-03-13 02:26:17,648 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 02:26:17,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:17,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 9 conjunts are in the unsatisfiable core [2021-03-13 02:26:17,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:17,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:17,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2021-03-13 02:26:17,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4601203] [2021-03-13 02:26:17,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-13 02:26:17,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:17,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-13 02:26:17,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-03-13 02:26:17,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:17,799 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:17,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 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) [2021-03-13 02:26:17,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:17,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:17,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:17,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:17,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:17,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:17,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:17,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:17,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:17,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:17,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:17,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:18,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:18,152 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:18,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:18,153 INFO L82 PathProgramCache]: Analyzing trace with hash -791848647, now seen corresponding path program 5 times [2021-03-13 02:26:18,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:18,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343723958] [2021-03-13 02:26:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:18,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343723958] [2021-03-13 02:26:18,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883499676] [2021-03-13 02:26:18,333 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 [2021-03-13 02:26:18,366 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-13 02:26:18,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:18,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-13 02:26:18,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:18,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-03-13 02:26:18,465 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:18,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:18,470 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:18,470 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:8 [2021-03-13 02:26:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:18,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:18,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2021-03-13 02:26:18,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286675522] [2021-03-13 02:26:18,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-13 02:26:18,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:18,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-13 02:26:18,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2021-03-13 02:26:18,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:18,495 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:18,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-03-13 02:26:18,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:18,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:18,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:18,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:18,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:18,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:18,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:18,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:18,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:18,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:18,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:18,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:18,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:18,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:19,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:19,003 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:19,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:19,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1183003443, now seen corresponding path program 6 times [2021-03-13 02:26:19,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:19,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226427218] [2021-03-13 02:26:19,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:19,078 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:19,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226427218] [2021-03-13 02:26:19,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675743481] [2021-03-13 02:26:19,081 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) [2021-03-13 02:26:19,110 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-13 02:26:19,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:19,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-13 02:26:19,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:19,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:19,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2021-03-13 02:26:19,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420421884] [2021-03-13 02:26:19,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-13 02:26:19,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:19,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-13 02:26:19,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2021-03-13 02:26:19,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:19,267 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:19,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:26:19,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:19,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:19,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:19,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:19,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:19,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:19,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:19,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:19,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-03-13 02:26:19,667 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:19,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:19,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1982285082, now seen corresponding path program 7 times [2021-03-13 02:26:19,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:19,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205541108] [2021-03-13 02:26:19,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:19,929 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:19,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205541108] [2021-03-13 02:26:19,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077610195] [2021-03-13 02:26:19,929 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) [2021-03-13 02:26:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:19,961 WARN L261 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 35 conjunts are in the unsatisfiable core [2021-03-13 02:26:19,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:20,109 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 9 treesize of output 5 [2021-03-13 02:26:20,111 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:20,112 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:20,113 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:20,113 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-13 02:26:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:20,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:20,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 19 [2021-03-13 02:26:20,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736959261] [2021-03-13 02:26:20,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-13 02:26:20,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:20,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-13 02:26:20,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2021-03-13 02:26:20,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:20,130 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:20,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 20 states have (on average 1.45) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:26:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:20,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:20,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:20,733 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:20,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:20,734 INFO L82 PathProgramCache]: Analyzing trace with hash -965388967, now seen corresponding path program 8 times [2021-03-13 02:26:20,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:20,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893313256] [2021-03-13 02:26:20,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:21,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893313256] [2021-03-13 02:26:21,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092656646] [2021-03-13 02:26:21,013 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 [2021-03-13 02:26:21,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:26:21,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:21,039 WARN L261 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-13 02:26:21,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:21,248 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 9 treesize of output 5 [2021-03-13 02:26:21,250 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:21,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:21,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:21,252 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-13 02:26:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:21,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:21,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 23 [2021-03-13 02:26:21,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151353671] [2021-03-13 02:26:21,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-13 02:26:21,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:21,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-13 02:26:21,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2021-03-13 02:26:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:21,268 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:21,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 24 states have (on average 1.375) internal successors, (33), 24 states have internal predecessors, (33), 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) [2021-03-13 02:26:21,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:21,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:21,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:21,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:21,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:21,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:21,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:21,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:21,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:21,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:21,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:21,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:22,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:22,003 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:22,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:22,004 INFO L82 PathProgramCache]: Analyzing trace with hash -774885434, now seen corresponding path program 9 times [2021-03-13 02:26:22,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:22,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150765630] [2021-03-13 02:26:22,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:22,294 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:22,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150765630] [2021-03-13 02:26:22,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029545796] [2021-03-13 02:26:22,294 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) [2021-03-13 02:26:22,331 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-13 02:26:22,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:22,332 WARN L261 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 55 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:22,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:22,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:22,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:22,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:22,797 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:22,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 39 [2021-03-13 02:26:22,804 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-03-13 02:26:22,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:22,828 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-13 02:26:22,829 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:19 [2021-03-13 02:26:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:22,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:22,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2021-03-13 02:26:22,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153443008] [2021-03-13 02:26:22,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-13 02:26:22,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:22,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-13 02:26:22,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2021-03-13 02:26:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:22,878 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:22,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 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) [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:23,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:23,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-13 02:26:23,852 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:23,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:23,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1573202297, now seen corresponding path program 10 times [2021-03-13 02:26:23,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:23,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605305946] [2021-03-13 02:26:23,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:24,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605305946] [2021-03-13 02:26:24,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191512556] [2021-03-13 02:26:24,253 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 [2021-03-13 02:26:24,277 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 02:26:24,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:24,278 WARN L261 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 59 conjunts are in the unsatisfiable core [2021-03-13 02:26:24,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:24,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 14 [2021-03-13 02:26:24,639 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:24,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:24,641 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:24,642 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:14 [2021-03-13 02:26:24,661 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:24,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:24,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2021-03-13 02:26:24,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734600376] [2021-03-13 02:26:24,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-03-13 02:26:24,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:24,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-03-13 02:26:24,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=940, Unknown=0, NotChecked=0, Total=1056 [2021-03-13 02:26:24,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:24,663 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:24,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 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) [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:24,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:25,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-13 02:26:25,731 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:25,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:25,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1365003430, now seen corresponding path program 11 times [2021-03-13 02:26:25,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:25,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799950683] [2021-03-13 02:26:25,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:26,233 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 15 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:26,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799950683] [2021-03-13 02:26:26,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019959782] [2021-03-13 02:26:26,233 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 [2021-03-13 02:26:26,261 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-13 02:26:26,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:26,262 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 67 conjunts are in the unsatisfiable core [2021-03-13 02:26:26,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:26,779 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 9 treesize of output 5 [2021-03-13 02:26:26,781 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:26,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:26,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:26,783 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-13 02:26:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:26,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:26,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 35 [2021-03-13 02:26:26,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290574924] [2021-03-13 02:26:26,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-03-13 02:26:26,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:26,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-03-13 02:26:26,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1194, Unknown=0, NotChecked=0, Total=1332 [2021-03-13 02:26:26,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:26,803 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:26,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:26,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:27,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-13 02:26:27,973 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:27,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:27,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1240913305, now seen corresponding path program 12 times [2021-03-13 02:26:27,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:27,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091772140] [2021-03-13 02:26:27,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:28,550 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:28,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091772140] [2021-03-13 02:26:28,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242675755] [2021-03-13 02:26:28,551 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 [2021-03-13 02:26:28,579 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-13 02:26:28,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:28,580 WARN L261 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 79 conjunts are in the unsatisfiable core [2021-03-13 02:26:28,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:29,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:29,796 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:29,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 60 treesize of output 255 [2021-03-13 02:26:30,019 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2021-03-13 02:26:30,037 INFO L628 ElimStorePlain]: treesize reduction 12, result has 69.2 percent of original size [2021-03-13 02:26:30,043 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-13 02:26:30,043 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:13 [2021-03-13 02:26:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:30,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:30,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 41 [2021-03-13 02:26:30,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590133857] [2021-03-13 02:26:30,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-03-13 02:26:30,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:30,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-03-13 02:26:30,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1628, Unknown=0, NotChecked=0, Total=1806 [2021-03-13 02:26:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:30,116 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:30,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 42 states have internal predecessors, (49), 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) [2021-03-13 02:26:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:30,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:32,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:32,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:32,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:32,503 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:32,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:32,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1077735034, now seen corresponding path program 13 times [2021-03-13 02:26:32,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:32,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941953174] [2021-03-13 02:26:32,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 28 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:33,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941953174] [2021-03-13 02:26:33,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407590800] [2021-03-13 02:26:33,255 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 [2021-03-13 02:26:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:33,286 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 83 conjunts are in the unsatisfiable core [2021-03-13 02:26:33,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:34,001 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 9 treesize of output 5 [2021-03-13 02:26:34,003 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:34,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:34,005 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:34,005 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-13 02:26:34,028 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:34,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:34,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 43 [2021-03-13 02:26:34,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652049862] [2021-03-13 02:26:34,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-03-13 02:26:34,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:34,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-03-13 02:26:34,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1792, Unknown=0, NotChecked=0, Total=1980 [2021-03-13 02:26:34,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:34,030 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:34,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 45 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 44 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) [2021-03-13 02:26:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:34,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:34,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:34,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:34,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:34,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:34,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:35,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable133 [2021-03-13 02:26:35,811 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:35,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:35,812 INFO L82 PathProgramCache]: Analyzing trace with hash -272344647, now seen corresponding path program 14 times [2021-03-13 02:26:35,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:35,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420271142] [2021-03-13 02:26:35,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 36 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:36,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420271142] [2021-03-13 02:26:36,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025078426] [2021-03-13 02:26:36,529 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 [2021-03-13 02:26:36,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:26:36,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:36,561 WARN L261 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 91 conjunts are in the unsatisfiable core [2021-03-13 02:26:36,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:37,501 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 9 treesize of output 5 [2021-03-13 02:26:37,503 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:37,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:37,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:37,506 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-13 02:26:37,532 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:37,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:37,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 47 [2021-03-13 02:26:37,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130066191] [2021-03-13 02:26:37,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-03-13 02:26:37,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:37,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-03-13 02:26:37,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=2136, Unknown=0, NotChecked=0, Total=2352 [2021-03-13 02:26:37,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:37,536 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:37,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 49 states, 48 states have (on average 1.1875) internal successors, (57), 48 states have internal predecessors, (57), 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) [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:37,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:39,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:39,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:39,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:26:39,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable134 [2021-03-13 02:26:39,570 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:39,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:39,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1295352218, now seen corresponding path program 15 times [2021-03-13 02:26:39,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:39,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765667701] [2021-03-13 02:26:39,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 45 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:40,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765667701] [2021-03-13 02:26:40,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772174411] [2021-03-13 02:26:40,415 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 [2021-03-13 02:26:40,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-03-13 02:26:40,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:40,449 WARN L261 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 103 conjunts are in the unsatisfiable core [2021-03-13 02:26:40,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:26:42,234 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:42,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 50 treesize of output 183 [2021-03-13 02:26:42,272 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-03-13 02:26:42,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:42,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-13 02:26:42,288 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:67, output treesize:13 [2021-03-13 02:26:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:42,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:42,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 53 [2021-03-13 02:26:42,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112143430] [2021-03-13 02:26:42,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-03-13 02:26:42,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:42,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-03-13 02:26:42,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=2691, Unknown=0, NotChecked=0, Total=2970 [2021-03-13 02:26:42,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:42,379 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:42,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 55 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 54 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 02:26:42,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:42,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:42,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:42,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:42,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:42,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:42,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:42,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:42,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:42,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:42,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:42,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:42,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:42,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:42,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:42,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:26:42,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:45,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:45,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:45,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:26:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:26:46,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-03-13 02:26:46,021 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:46,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:46,022 INFO L82 PathProgramCache]: Analyzing trace with hash 90682841, now seen corresponding path program 16 times [2021-03-13 02:26:46,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:46,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795352273] [2021-03-13 02:26:46,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 55 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:47,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795352273] [2021-03-13 02:26:47,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554713579] [2021-03-13 02:26:47,028 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 [2021-03-13 02:26:47,061 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 02:26:47,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:47,063 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 107 conjunts are in the unsatisfiable core [2021-03-13 02:26:47,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:48,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-03-13 02:26:48,427 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:48,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:48,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:48,429 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:8 [2021-03-13 02:26:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:48,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:48,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27] total 55 [2021-03-13 02:26:48,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030379824] [2021-03-13 02:26:48,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-03-13 02:26:48,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:48,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-03-13 02:26:48,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=2914, Unknown=0, NotChecked=0, Total=3192 [2021-03-13 02:26:48,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:48,459 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:48,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 57 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 56 states have internal predecessors, (65), 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) [2021-03-13 02:26:48,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:48,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:48,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:48,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:48,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:48,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:48,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:48,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:48,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:48,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:48,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:48,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:48,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:48,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:48,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:48,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:26:48,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:26:48,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:26:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:26:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:26:51,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable160 [2021-03-13 02:26:51,307 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:51,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:51,307 INFO L82 PathProgramCache]: Analyzing trace with hash -21458106, now seen corresponding path program 17 times [2021-03-13 02:26:51,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:51,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866292455] [2021-03-13 02:26:51,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 66 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:52,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866292455] [2021-03-13 02:26:52,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329399733] [2021-03-13 02:26:52,529 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 [2021-03-13 02:26:52,566 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-03-13 02:26:52,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:52,567 WARN L261 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 115 conjunts are in the unsatisfiable core [2021-03-13 02:26:52,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:26:54,210 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 9 treesize of output 5 [2021-03-13 02:26:54,212 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:54,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:26:54,214 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:26:54,214 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-13 02:26:54,248 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:54,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:26:54,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29] total 59 [2021-03-13 02:26:54,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102308408] [2021-03-13 02:26:54,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-03-13 02:26:54,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:26:54,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-03-13 02:26:54,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=3348, Unknown=0, NotChecked=0, Total=3660 [2021-03-13 02:26:54,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:54,250 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:26:54,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 61 states, 60 states have (on average 1.15) internal successors, (69), 60 states have internal predecessors, (69), 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) [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:26:54,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:26:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:26:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:26:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:26:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:26:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:26:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:26:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:26:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:26:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:26:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:26:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:26:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:26:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:26:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:26:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:26:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:26:58,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:26:58,005 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:26:58,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:26:58,006 INFO L82 PathProgramCache]: Analyzing trace with hash 849013241, now seen corresponding path program 18 times [2021-03-13 02:26:58,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:26:58,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047182653] [2021-03-13 02:26:58,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:26:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:26:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 78 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:26:59,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047182653] [2021-03-13 02:26:59,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118719738] [2021-03-13 02:26:59,550 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 [2021-03-13 02:26:59,589 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-03-13 02:26:59,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:26:59,590 WARN L261 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 127 conjunts are in the unsatisfiable core [2021-03-13 02:26:59,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:27:02,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:02,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:02,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:02,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:02,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:02,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:02,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:02,316 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:27:02,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 75 [2021-03-13 02:27:02,335 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-03-13 02:27:02,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:27:02,356 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-13 02:27:02,357 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:19 [2021-03-13 02:27:02,491 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:27:02,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:27:02,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 65 [2021-03-13 02:27:02,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000761310] [2021-03-13 02:27:02,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-03-13 02:27:02,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:27:02,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-03-13 02:27:02,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=424, Invalid=3998, Unknown=0, NotChecked=0, Total=4422 [2021-03-13 02:27:02,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:27:02,496 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:27:02,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 67 states, 66 states have (on average 1.106060606060606) internal successors, (73), 66 states have internal predecessors, (73), 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) [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:27:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:27:07,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:27:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:27:07,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:27:08,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:27:08,090 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:27:08,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:27:08,091 INFO L82 PathProgramCache]: Analyzing trace with hash 374558758, now seen corresponding path program 19 times [2021-03-13 02:27:08,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:27:08,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082358735] [2021-03-13 02:27:08,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:27:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:27:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 91 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:27:10,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082358735] [2021-03-13 02:27:10,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297622746] [2021-03-13 02:27:10,184 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 [2021-03-13 02:27:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:27:10,235 WARN L261 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 131 conjunts are in the unsatisfiable core [2021-03-13 02:27:10,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:27:13,106 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 9 treesize of output 5 [2021-03-13 02:27:13,109 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:27:13,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:27:13,113 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:27:13,113 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-13 02:27:13,164 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:27:13,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:27:13,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 67 [2021-03-13 02:27:13,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252265458] [2021-03-13 02:27:13,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-03-13 02:27:13,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:27:13,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-03-13 02:27:13,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=4306, Unknown=0, NotChecked=0, Total=4692 [2021-03-13 02:27:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:27:13,167 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:27:13,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 69 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 68 states have internal predecessors, (77), 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) [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:13,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:27:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:27:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:27:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:27:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:27:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:27:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:27:19,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:27:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:27:19,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-13 02:27:19,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:27:19,674 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:27:19,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:27:19,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1332218343, now seen corresponding path program 20 times [2021-03-13 02:27:19,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:27:19,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484197617] [2021-03-13 02:27:19,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:27:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:27:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 105 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:27:22,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484197617] [2021-03-13 02:27:22,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907625789] [2021-03-13 02:27:22,233 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 [2021-03-13 02:27:22,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 02:27:22,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:27:22,287 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 139 conjunts are in the unsatisfiable core [2021-03-13 02:27:22,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:27:26,368 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 9 treesize of output 5 [2021-03-13 02:27:26,372 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:27:26,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:27:26,377 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:27:26,377 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-13 02:27:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:27:26,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:27:26,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 35] total 71 [2021-03-13 02:27:26,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73685383] [2021-03-13 02:27:26,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-03-13 02:27:26,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:27:26,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-03-13 02:27:26,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=4830, Unknown=0, NotChecked=0, Total=5256 [2021-03-13 02:27:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:27:26,446 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:27:26,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 73 states, 72 states have (on average 1.125) internal successors, (81), 72 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) [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:26,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:27:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:27:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:27:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:27:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:27:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:27:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-13 02:27:26,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:27:28,586 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2021-03-13 02:27:30,371 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 55 [2021-03-13 02:27:30,961 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 61 [2021-03-13 02:27:31,306 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 64 [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:27:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:27:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:27:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:27:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:27:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-13 02:27:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-13 02:27:36,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:27:36,030 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:27:36,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:27:36,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1793111302, now seen corresponding path program 21 times [2021-03-13 02:27:36,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:27:36,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812449603] [2021-03-13 02:27:36,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:27:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:27:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 120 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:27:40,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812449603] [2021-03-13 02:27:40,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866165436] [2021-03-13 02:27:40,121 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 [2021-03-13 02:27:40,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-03-13 02:27:40,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:27:40,171 WARN L261 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 151 conjunts are in the unsatisfiable core [2021-03-13 02:27:40,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:27:49,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:27:49,257 INFO L244 Elim1Store]: Index analysis took 242 ms [2021-03-13 02:27:49,858 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-03-13 02:27:49,859 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:27:49,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 84 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 36 case distinctions, treesize of input 80 treesize of output 435 [2021-03-13 02:27:51,699 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2021-03-13 02:27:51,786 INFO L628 ElimStorePlain]: treesize reduction 12, result has 69.2 percent of original size [2021-03-13 02:27:51,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-13 02:27:51,801 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:97, output treesize:13 [2021-03-13 02:27:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:27:52,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:27:52,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 77 [2021-03-13 02:27:52,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593861883] [2021-03-13 02:27:52,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-03-13 02:27:52,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:27:52,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-03-13 02:27:52,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=5634, Unknown=0, NotChecked=0, Total=6162 [2021-03-13 02:27:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:27:52,209 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:27:52,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 79 states, 78 states have (on average 1.0897435897435896) internal successors, (85), 78 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) [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:27:52,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:27:52,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-13 02:27:52,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-13 02:27:52,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:27:53,999 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-03-13 02:27:54,887 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-03-13 02:27:55,780 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-03-13 02:27:56,250 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2021-03-13 02:27:57,268 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2021-03-13 02:27:57,826 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2021-03-13 02:27:58,775 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2021-03-13 02:27:59,713 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 61 [2021-03-13 02:28:00,846 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-03-13 02:28:01,512 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 79 [2021-03-13 02:28:02,270 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2021-03-13 02:28:03,017 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 89 [2021-03-13 02:28:03,895 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 94 [2021-03-13 02:28:04,852 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 99 [2021-03-13 02:28:05,655 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 104 [2021-03-13 02:28:06,577 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-03-13 02:28:07,546 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-13 02:28:08,465 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 117 [2021-03-13 02:28:14,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:28:14,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:28:14,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:28:14,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:28:14,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:28:14,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-13 02:28:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-13 02:28:14,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-13 02:28:14,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable177 [2021-03-13 02:28:14,720 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:28:14,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:28:14,720 INFO L82 PathProgramCache]: Analyzing trace with hash -367470023, now seen corresponding path program 22 times [2021-03-13 02:28:14,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:28:14,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597770619] [2021-03-13 02:28:14,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:28:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:28:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 136 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:28:21,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597770619] [2021-03-13 02:28:21,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679523599] [2021-03-13 02:28:21,155 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 [2021-03-13 02:28:21,200 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 02:28:21,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:28:21,202 WARN L261 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 155 conjunts are in the unsatisfiable core [2021-03-13 02:28:21,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:28:32,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-03-13 02:28:32,356 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-13 02:28:32,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:28:32,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-13 02:28:32,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:8 [2021-03-13 02:28:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:28:32,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:28:32,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 79 [2021-03-13 02:28:32,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294116194] [2021-03-13 02:28:32,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-03-13 02:28:32,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:28:32,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-03-13 02:28:32,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=512, Invalid=5968, Unknown=0, NotChecked=0, Total=6480 [2021-03-13 02:28:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:28:32,550 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:28:32,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 81 states, 80 states have (on average 1.1125) internal successors, (89), 80 states have internal predecessors, (89), 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) [2021-03-13 02:28:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:28:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:28:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:28:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:28:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:28:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:28:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-13 02:28:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:28:33,461 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2021-03-13 02:28:34,856 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 25 [2021-03-13 02:28:35,570 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-03-13 02:28:36,221 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2021-03-13 02:28:37,005 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 29 [2021-03-13 02:28:37,739 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2021-03-13 02:28:38,371 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2021-03-13 02:28:39,060 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 34 [2021-03-13 02:28:39,767 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 46 [2021-03-13 02:28:40,465 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 40 [2021-03-13 02:28:41,244 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 52 [2021-03-13 02:28:41,996 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2021-03-13 02:28:42,654 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2021-03-13 02:28:43,397 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 61 [2021-03-13 02:28:44,012 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2021-03-13 02:28:44,633 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2021-03-13 02:28:45,252 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 52 [2021-03-13 02:28:45,944 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 112 [2021-03-13 02:28:46,556 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-13 02:28:47,384 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-13 02:28:47,802 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-03-13 02:28:48,207 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-13 02:28:48,612 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-03-13 02:28:49,087 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-13 02:28:49,477 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-13 02:28:49,895 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-13 02:28:50,304 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-13 02:28:51,190 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-13 02:28:53,754 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-03-13 02:28:54,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:28:54,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-13 02:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-13 02:28:54,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-13 02:28:55,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable662,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 02:28:55,020 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:28:55,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:28:55,021 INFO L82 PathProgramCache]: Analyzing trace with hash -869875226, now seen corresponding path program 23 times [2021-03-13 02:28:55,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:28:55,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962409439] [2021-03-13 02:28:55,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:28:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:28:58,535 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-13 02:28:59,343 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-13 02:29:02,059 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2021-03-13 02:29:02,381 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2021-03-13 02:29:02,687 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2021-03-13 02:29:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 153 proven. 267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:29:03,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962409439] [2021-03-13 02:29:03,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276815323] [2021-03-13 02:29:03,336 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 [2021-03-13 02:29:03,385 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-03-13 02:29:03,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:29:03,387 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 163 conjunts are in the unsatisfiable core [2021-03-13 02:29:03,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:29:18,385 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 9 treesize of output 5 [2021-03-13 02:29:18,396 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:29:18,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:29:18,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-13 02:29:18,409 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:5 [2021-03-13 02:29:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:29:18,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 02:29:18,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 41] total 83 [2021-03-13 02:29:18,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177783235] [2021-03-13 02:29:18,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-03-13 02:29:18,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 02:29:18,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-03-13 02:29:18,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=6582, Unknown=0, NotChecked=0, Total=7140 [2021-03-13 02:29:18,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:29:18,609 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 02:29:18,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 85 states, 84 states have (on average 1.1071428571428572) internal successors, (93), 84 states have internal predecessors, (93), 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) [2021-03-13 02:29:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:29:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:29:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:29:18,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-13 02:29:18,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 02:29:19,558 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2021-03-13 02:29:20,271 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 19 [2021-03-13 02:29:21,136 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2021-03-13 02:29:21,874 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-03-13 02:29:22,586 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2021-03-13 02:29:23,314 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2021-03-13 02:29:24,029 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2021-03-13 02:29:24,717 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2021-03-13 02:29:25,483 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 43 [2021-03-13 02:29:26,282 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-03-13 02:29:27,083 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 39 [2021-03-13 02:29:27,878 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 52 [2021-03-13 02:29:28,658 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2021-03-13 02:29:29,352 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 58 [2021-03-13 02:29:30,017 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 47 [2021-03-13 02:29:30,835 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 64 [2021-03-13 02:29:31,653 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 67 [2021-03-13 02:29:32,416 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 51 [2021-03-13 02:29:33,124 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 54 [2021-03-13 02:29:33,929 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 117 [2021-03-13 02:29:34,573 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-13 02:29:35,458 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-13 02:29:35,921 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-13 02:29:36,430 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-03-13 02:29:36,899 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-03-13 02:29:37,371 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-03-13 02:29:37,859 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-03-13 02:29:38,336 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-13 02:29:38,803 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-13 02:29:39,256 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-13 02:29:39,727 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-13 02:29:40,216 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-13 02:29:40,683 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-13 02:29:41,166 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-13 02:29:41,641 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-13 02:29:42,124 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-13 02:29:42,615 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-13 02:29:43,129 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-13 02:29:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-03-13 02:29:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-13 02:29:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-13 02:29:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-03-13 02:29:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-13 02:29:44,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-13 02:29:44,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable663 [2021-03-13 02:29:44,592 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 02:29:44,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 02:29:44,593 INFO L82 PathProgramCache]: Analyzing trace with hash 458724953, now seen corresponding path program 24 times [2021-03-13 02:29:44,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 02:29:44,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121438831] [2021-03-13 02:29:44,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 02:29:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 02:29:44,879 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2021-03-13 02:29:48,875 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-13 02:29:49,382 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-03-13 02:29:49,684 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-03-13 02:29:50,016 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2021-03-13 02:29:50,323 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2021-03-13 02:29:50,662 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2021-03-13 02:29:50,967 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2021-03-13 02:29:51,320 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-03-13 02:29:51,648 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2021-03-13 02:29:51,990 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-03-13 02:29:52,323 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-03-13 02:29:52,666 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-03-13 02:29:53,014 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-03-13 02:29:53,362 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2021-03-13 02:29:53,715 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2021-03-13 02:29:54,059 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2021-03-13 02:29:54,422 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2021-03-13 02:29:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 171 proven. 291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 02:29:55,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121438831] [2021-03-13 02:29:55,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988548674] [2021-03-13 02:29:55,168 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 [2021-03-13 02:29:55,221 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-03-13 02:29:55,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 02:29:55,224 WARN L261 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 175 conjunts are in the unsatisfiable core [2021-03-13 02:29:55,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 02:30:28,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:28,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:29,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 02:30:30,129 INFO L244 Elim1Store]: Index analysis took 2088 ms [2021-03-13 02:30:38,371 WARN L205 SmtUtils]: Spent 8.24 s on a formula simplification that was a NOOP. DAG size: 555 [2021-03-13 02:30:38,374 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 02:30:38,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 315 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 120 case distinctions, treesize of input 150 treesize of output 1443 [2021-03-13 02:30:42,158 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 6816 DAG size of output: 3561 [2021-03-13 02:30:43,294 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 6846 DAG size of output: 3591 [2021-03-13 02:30:55,160 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 32687 DAG size of output: 13294 [2021-03-13 02:31:00,385 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 32697 DAG size of output: 13304 [2021-03-13 02:31:29,294 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 65320 DAG size of output: 23695 [2021-03-13 02:31:38,645 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 65356 DAG size of output: 23731 [2021-03-13 02:31:40,299 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 22434 DAG size of output: 16975 [2021-03-13 02:32:00,053 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 32203 DAG size of output: 4798 [2021-03-13 02:32:02,114 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 32239 DAG size of output: 5485 [2021-03-13 02:32:07,075 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 17238 DAG size of output: 6942 [2021-03-13 02:32:08,940 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 17238 DAG size of output: 6942 [2021-03-13 02:32:11,654 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 17247 DAG size of output: 6951 [2021-03-13 02:32:23,858 WARN L205 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 21434 DAG size of output: 13887 [2021-03-13 02:32:31,210 WARN L205 SmtUtils]: Spent 6.22 s on a formula simplification. DAG size of input: 21438 DAG size of output: 13891 [2021-03-13 02:32:59,262 WARN L205 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 45389 DAG size of output: 30938 [2021-03-13 02:33:13,356 WARN L205 SmtUtils]: Spent 11.18 s on a formula simplification. DAG size of input: 45395 DAG size of output: 30937 [2021-03-13 02:33:27,818 WARN L205 SmtUtils]: Spent 14.15 s on a formula simplification. DAG size of input: 29782 DAG size of output: 31370 [2021-03-13 02:33:38,227 WARN L205 SmtUtils]: Spent 10.12 s on a formula simplification. DAG size of input: 24532 DAG size of output: 24928 [2021-03-13 02:33:42,298 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 21015 DAG size of output: 19278 [2021-03-13 02:33:43,916 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 8619 DAG size of output: 9771 [2021-03-13 02:33:44,598 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 7718 DAG size of output: 7033 [2021-03-13 02:33:45,163 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 2670 DAG size of output: 2616 [2021-03-13 02:33:45,882 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 2529 DAG size of output: 1879 [2021-03-13 02:33:46,149 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 3795 DAG size of output: 3200 [2021-03-13 02:33:47,409 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 3724 DAG size of output: 4270 [2021-03-13 02:33:47,611 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 3408 DAG size of output: 2600 [2021-03-13 02:33:48,001 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1790 DAG size of output: 1970 [2021-03-13 02:33:49,188 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 4209 DAG size of output: 2434 [2021-03-13 02:33:49,487 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 5170 DAG size of output: 3182 [2021-03-13 02:33:49,993 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 6917 DAG size of output: 4275 [2021-03-13 02:33:50,933 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 11947 DAG size of output: 8376 [2021-03-13 02:33:52,613 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 16545 DAG size of output: 12512 [2021-03-13 02:33:56,919 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 10896 DAG size of output: 11353 [2021-03-13 02:33:58,721 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 9366 DAG size of output: 9245 [2021-03-13 02:34:00,400 WARN L205 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 5496 DAG size of output: 5441 [2021-03-13 02:34:01,165 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 3351 DAG size of output: 3904 [2021-03-13 02:34:01,565 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 3184 DAG size of output: 3163 [2021-03-13 02:34:02,608 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1490 [2021-03-13 02:34:02,797 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 1351 [2021-03-13 02:34:04,076 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2094 [2021-03-13 02:34:04,461 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 3611 DAG size of output: 2935 [2021-03-13 02:34:06,285 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1499 DAG size of output: 1829 [2021-03-13 02:34:09,414 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 3186 DAG size of output: 2316 [2021-03-13 02:34:09,759 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 4244 DAG size of output: 3248 [2021-03-13 02:34:10,746 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 9801 DAG size of output: 7627 [2021-03-13 02:34:12,244 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 12270 DAG size of output: 10017 [2021-03-13 02:34:13,317 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 2579 DAG size of output: 3173 [2021-03-13 02:34:13,806 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 2372 DAG size of output: 2252 [2021-03-13 02:34:14,328 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 2237 DAG size of output: 2550 [2021-03-13 02:34:14,577 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2161 [2021-03-13 02:34:17,320 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1452 DAG size of output: 1169 [2021-03-13 02:34:18,546 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 4419 DAG size of output: 3348 [2021-03-13 02:34:19,284 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 5870 DAG size of output: 4793 [2021-03-13 02:34:20,030 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 5887 DAG size of output: 4809 [2021-03-13 02:34:21,286 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 7796 DAG size of output: 6662 [2021-03-13 02:34:24,229 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 19407 DAG size of output: 15942 [2021-03-13 02:34:28,960 WARN L205 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 25598 DAG size of output: 20876 [2021-03-13 02:34:35,800 WARN L205 SmtUtils]: Spent 6.68 s on a formula simplification. DAG size of input: 31971 DAG size of output: 26947 [2021-03-13 02:34:36,136 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1850 DAG size of output: 1706 [2021-03-13 02:34:38,029 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1329 DAG size of output: 1192 [2021-03-13 02:34:38,602 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 3990 DAG size of output: 3212 [2021-03-13 02:34:38,760 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 1272 [2021-03-13 02:34:39,886 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2262 [2021-03-13 02:34:49,620 WARN L205 SmtUtils]: Spent 9.62 s on a formula simplification. DAG size of input: 49665 DAG size of output: 39540 [2021-03-13 02:35:04,329 WARN L205 SmtUtils]: Spent 14.36 s on a formula simplification. DAG size of input: 65146 DAG size of output: 52178 [2021-03-13 02:35:26,413 WARN L205 SmtUtils]: Spent 21.51 s on a formula simplification. DAG size of input: 83880 DAG size of output: 69465 [2021-03-13 02:35:48,367 WARN L205 SmtUtils]: Spent 21.38 s on a formula simplification. DAG size of input: 83880 DAG size of output: 69465 [2021-03-13 02:36:14,424 WARN L205 SmtUtils]: Spent 21.39 s on a formula simplification. DAG size of input: 83888 DAG size of output: 69473 [2021-03-13 02:36:51,064 WARN L205 SmtUtils]: Spent 35.73 s on a formula simplification. DAG size of input: 67339 DAG size of output: 67738 [2021-03-13 02:37:03,921 WARN L205 SmtUtils]: Spent 12.29 s on a formula simplification. DAG size of input: 48839 DAG size of output: 40144 [2021-03-13 02:37:15,949 WARN L205 SmtUtils]: Spent 11.71 s on a formula simplification. DAG size of input: 24497 DAG size of output: 21652 [2021-03-13 02:37:21,476 WARN L205 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 20716 DAG size of output: 18274 [2021-03-13 02:37:25,480 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 14966 DAG size of output: 14966 [2021-03-13 02:37:30,563 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 8208 [2021-03-13 02:37:33,275 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 8208 DAG size of output: 8206 [2021-03-13 02:37:39,711 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 10835 DAG size of output: 8103 [2021-03-13 02:37:40,287 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 4417 DAG size of output: 4417 [2021-03-13 02:37:40,591 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 3953 DAG size of output: 3953 [2021-03-13 02:37:43,626 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 6230 DAG size of output: 2571 [2021-03-13 02:37:48,707 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 13805 DAG size of output: 6026 [2021-03-13 02:37:50,432 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 14420 DAG size of output: 6494 [2021-03-13 02:37:58,941 WARN L205 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 33267 DAG size of output: 18522 [2021-03-13 02:38:11,823 WARN L205 SmtUtils]: Spent 8.19 s on a formula simplification. DAG size of input: 40463 DAG size of output: 22397 [2021-03-13 02:38:26,110 WARN L205 SmtUtils]: Spent 13.96 s on a formula simplification. DAG size of input: 60085 DAG size of output: 41091 [2021-03-13 02:39:19,193 WARN L205 SmtUtils]: Spent 25.96 s on a formula simplification. DAG size of input: 125787 DAG size of output: 71004 [2021-03-13 02:40:04,558 WARN L205 SmtUtils]: Spent 44.24 s on a formula simplification. DAG size of input: 184075 DAG size of output: 124856 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown