/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-more/min-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 03:06:06,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 03:06:06,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 03:06:06,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 03:06:06,507 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 03:06:06,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 03:06:06,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 03:06:06,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 03:06:06,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 03:06:06,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 03:06:06,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 03:06:06,536 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 03:06:06,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 03:06:06,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 03:06:06,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 03:06:06,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 03:06:06,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 03:06:06,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 03:06:06,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 03:06:06,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 03:06:06,538 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 03:06:06,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 03:06:06,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 03:06:06,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 03:06:06,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 03:06:06,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 03:06:06,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 03:06:06,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 03:06:06,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 03:06:06,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 03:06:06,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 03:06:06,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 03:06:06,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 03:06:06,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 03:06:06,539 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 03:06:06,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 03:06:06,540 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 03:06:06,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 03:06:06,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 03:06:06,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 03:06:06,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 03:06:06,810 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-13 03:06:06,810 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-13 03:06:06,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl [2021-03-13 03:06:06,813 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl' [2021-03-13 03:06:06,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 03:06:06,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-13 03:06:06,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 03:06:06,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 03:06:06,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 03:06:06,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (1/1) ... [2021-03-13 03:06:06,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (1/1) ... [2021-03-13 03:06:06,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 03:06:06,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 03:06:06,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 03:06:06,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 03:06:06,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (1/1) ... [2021-03-13 03:06:06,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (1/1) ... [2021-03-13 03:06:06,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (1/1) ... [2021-03-13 03:06:06,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (1/1) ... [2021-03-13 03:06:06,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (1/1) ... [2021-03-13 03:06:06,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (1/1) ... [2021-03-13 03:06:06,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (1/1) ... [2021-03-13 03:06:06,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 03:06:06,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 03:06:06,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 03:06:06,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 03:06:06,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (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 03:06:06,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-13 03:06:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-13 03:06:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-13 03:06:06,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-13 03:06:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-13 03:06:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-13 03:06:06,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-13 03:06:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 03:06:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 03:06:06,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-13 03:06:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-13 03:06:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-13 03:06:06,967 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 03:06:07,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 03:06:07,160 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-13 03:06:07,161 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 03:06:07 BoogieIcfgContainer [2021-03-13 03:06:07,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 03:06:07,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 03:06:07,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 03:06:07,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 03:06:07,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.03 03:06:06" (1/2) ... [2021-03-13 03:06:07,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7677827e and model type min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 03:06:07, skipping insertion in model container [2021-03-13 03:06:07,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 03:06:07" (2/2) ... [2021-03-13 03:06:07,166 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun-alt.wvr.bpl [2021-03-13 03:06:07,169 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 03:06:07,169 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 03:06:07,171 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 03:06:07,172 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 03:06:07,223 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-13 03:06:07,234 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-03-13 03:06:07,272 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 03:06:07,272 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 03:06:07,272 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 03:06:07,272 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 03:06:07,273 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 03:06:07,274 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 03:06:07,274 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 03:06:07,274 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 03:06:07,283 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 03:06:07,283 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 82 flow [2021-03-13 03:06:07,288 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 82 flow [2021-03-13 03:06:07,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 82 flow [2021-03-13 03:06:07,319 INFO L129 PetriNetUnfolder]: 3/26 cut-off events. [2021-03-13 03:06:07,319 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-13 03:06:07,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-03-13 03:06:07,323 INFO L116 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-13 03:06:07,616 INFO L131 LiptonReduction]: Checked pairs total: 116 [2021-03-13 03:06:07,616 INFO L133 LiptonReduction]: Total number of compositions: 12 [2021-03-13 03:06:07,688 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:07,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:07,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1960962719, now seen corresponding path program 1 times [2021-03-13 03:06:07,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:07,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765691049] [2021-03-13 03:06:07,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:07,798 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 03:06:07,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765691049] [2021-03-13 03:06:07,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 03:06:07,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-13 03:06:07,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529739905] [2021-03-13 03:06:07,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 03:06:07,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:07,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 03:06:07,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 03:06:07,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:07,811 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:07,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 03:06:07,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:07,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:07,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 03:06:07,826 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:07,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:07,826 INFO L82 PathProgramCache]: Analyzing trace with hash -622468569, now seen corresponding path program 1 times [2021-03-13 03:06:07,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:07,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794338083] [2021-03-13 03:06:07,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:06:07,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794338083] [2021-03-13 03:06:07,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 03:06:07,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-13 03:06:07,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864454236] [2021-03-13 03:06:07,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-13 03:06:07,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:07,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-13 03:06:07,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-13 03:06:07,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:07,868 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:07,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 03:06:07,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:07,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:07,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:07,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-13 03:06:07,881 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:07,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:07,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1093416878, now seen corresponding path program 1 times [2021-03-13 03:06:07,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:07,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320964477] [2021-03-13 03:06:07,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:06:07,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320964477] [2021-03-13 03:06:07,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 03:06:07,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-13 03:06:07,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321514661] [2021-03-13 03:06:07,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-13 03:06:07,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:07,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-13 03:06:07,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-13 03:06:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:07,917 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:07,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 03:06:07,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:07,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:07,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:07,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:07,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:07,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:07,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-13 03:06:07,959 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:07,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:07,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1096968467, now seen corresponding path program 1 times [2021-03-13 03:06:07,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:07,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411520815] [2021-03-13 03:06:07,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:08,189 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 03:06:08,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411520815] [2021-03-13 03:06:08,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605886317] [2021-03-13 03:06:08,190 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 03:06:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:08,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-13 03:06:08,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:06:08,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:08,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:08,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-03-13 03:06:08,561 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:08,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:08,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-03-13 03:06:08,565 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:08,587 INFO L628 ElimStorePlain]: treesize reduction 25, result has 45.7 percent of original size [2021-03-13 03:06:08,590 INFO L518 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2021-03-13 03:06:08,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-13 03:06:08,593 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:85, output treesize:15 [2021-03-13 03:06:08,619 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 03:06:08,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:06:08,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-03-13 03:06:08,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903434558] [2021-03-13 03:06:08,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-13 03:06:08,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:08,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-13 03:06:08,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-13 03:06:08,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:08,621 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:08,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 03:06:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:08,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:09,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:06:09,051 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:09,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:09,052 INFO L82 PathProgramCache]: Analyzing trace with hash 503295508, now seen corresponding path program 2 times [2021-03-13 03:06:09,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:09,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968851774] [2021-03-13 03:06:09,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:06:09,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968851774] [2021-03-13 03:06:09,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307573854] [2021-03-13 03:06:09,096 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:06:09,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 03:06:09,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:06:09,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-13 03:06:09,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:06:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:06:09,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:06:09,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-13 03:06:09,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444049154] [2021-03-13 03:06:09,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-13 03:06:09,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:09,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-13 03:06:09,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-13 03:06:09,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:09,185 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:09,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 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 03:06:09,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:09,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:09,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-13 03:06:09,531 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:09,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:09,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2071107633, now seen corresponding path program 1 times [2021-03-13 03:06:09,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:09,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910760924] [2021-03-13 03:06:09,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:06:09,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910760924] [2021-03-13 03:06:09,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266259824] [2021-03-13 03:06:09,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 03:06:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:09,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-13 03:06:09,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:06:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-13 03:06:09,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:06:09,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-13 03:06:09,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677098188] [2021-03-13 03:06:09,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-13 03:06:09,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:09,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-13 03:06:09,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-13 03:06:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:09,634 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:09,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 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 03:06:09,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:09,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:09,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:09,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:09,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:09,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:09,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:09,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:06:09,861 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:09,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:09,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1207067726, now seen corresponding path program 3 times [2021-03-13 03:06:09,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:09,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714358910] [2021-03-13 03:06:09,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:06:09,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714358910] [2021-03-13 03:06:09,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5248981] [2021-03-13 03:06:09,940 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 03:06:09,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-13 03:06:09,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:06:09,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-13 03:06:09,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:06:10,028 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 03:06:10,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:06:10,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-13 03:06:10,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359803654] [2021-03-13 03:06:10,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-13 03:06:10,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:10,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-13 03:06:10,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-13 03:06:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:10,034 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:10,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 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 03:06:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:10,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:10,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:10,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:10,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:10,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:10,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:10,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:10,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-13 03:06:10,387 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:10,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:10,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1385185775, now seen corresponding path program 4 times [2021-03-13 03:06:10,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:10,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553159330] [2021-03-13 03:06:10,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:10,733 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 03:06:10,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553159330] [2021-03-13 03:06:10,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761988710] [2021-03-13 03:06:10,733 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 03:06:10,758 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-13 03:06:10,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:06:10,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-13 03:06:10,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:06:11,273 INFO L446 ElimStorePlain]: Different costs {3=[v_prenex_10, v_prenex_11], 5=[A, v_prenex_12]} [2021-03-13 03:06:11,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:11,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:11,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:11,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2021-03-13 03:06:11,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:11,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:11,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:11,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 7 [2021-03-13 03:06:11,288 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:11,383 INFO L628 ElimStorePlain]: treesize reduction 133, result has 45.0 percent of original size [2021-03-13 03:06:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:11,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:11,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-03-13 03:06:11,390 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:11,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:11,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:11,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:11,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-03-13 03:06:11,433 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:11,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:11,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:11,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2021-03-13 03:06:11,466 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:11,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:11,494 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-03-13 03:06:11,494 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:299, output treesize:27 [2021-03-13 03:06:11,530 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 03:06:11,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:06:11,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-13 03:06:11,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295213154] [2021-03-13 03:06:11,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-13 03:06:11,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:11,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-13 03:06:11,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-03-13 03:06:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:11,531 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:11,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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 03:06:11,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:11,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:11,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:11,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:11,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:11,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:11,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:11,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:11,802 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 57 [2021-03-13 03:06:12,105 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 49 [2021-03-13 03:06:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:12,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:06:12,354 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:12,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:12,355 INFO L82 PathProgramCache]: Analyzing trace with hash 47002255, now seen corresponding path program 5 times [2021-03-13 03:06:12,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:12,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38607669] [2021-03-13 03:06:12,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:06:12,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38607669] [2021-03-13 03:06:12,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185679713] [2021-03-13 03:06:12,467 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 03:06:12,489 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-13 03:06:12,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:06:12,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-13 03:06:12,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:06:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:06:12,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:06:12,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2021-03-13 03:06:12,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208731224] [2021-03-13 03:06:12,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-13 03:06:12,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:12,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-13 03:06:12,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2021-03-13 03:06:12,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:12,591 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:12,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 16 states have internal predecessors, (30), 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 03:06:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:12,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 03:06:12,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-13 03:06:12,983 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:12,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:12,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1606649522, now seen corresponding path program 6 times [2021-03-13 03:06:12,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:12,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210106700] [2021-03-13 03:06:12,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:13,053 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 03:06:13,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210106700] [2021-03-13 03:06:13,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848989987] [2021-03-13 03:06:13,053 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:06:13,073 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-13 03:06:13,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:06:13,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-13 03:06:13,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:06:13,186 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 03:06:13,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:06:13,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2021-03-13 03:06:13,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723953307] [2021-03-13 03:06:13,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-13 03:06:13,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:13,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-13 03:06:13,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-03-13 03:06:13,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:13,189 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:13,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 18 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 03:06:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 03:06:13,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 03:06:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 03:06:13,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:06:13,655 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:13,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:13,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1583892753, now seen corresponding path program 7 times [2021-03-13 03:06:13,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:13,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254080708] [2021-03-13 03:06:13,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:14,097 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2021-03-13 03:06:14,378 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-03-13 03:06:14,655 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2021-03-13 03:06:14,816 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-03-13 03:06:14,955 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 03:06:14,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254080708] [2021-03-13 03:06:14,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324218104] [2021-03-13 03:06:14,955 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:06:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:14,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 40 conjunts are in the unsatisfiable core [2021-03-13 03:06:14,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:06:15,996 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-13 03:06:17,799 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 354 DAG size of output: 335 [2021-03-13 03:06:19,252 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 360 DAG size of output: 339 [2021-03-13 03:06:20,971 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 366 DAG size of output: 343 [2021-03-13 03:06:21,258 INFO L446 ElimStorePlain]: Different costs {10=[v_prenex_55, v_prenex_44], 14=[v_prenex_50, A, v_prenex_54, v_prenex_43, v_prenex_53, v_prenex_52, v_prenex_51, v_prenex_47, v_prenex_57, v_prenex_46, v_prenex_45, v_prenex_56, v_prenex_49, v_prenex_48]} [2021-03-13 03:06:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:21,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:21,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:21,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:21,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:21,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:21,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-03-13 03:06:21,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:22,299 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 369 DAG size of output: 298 [2021-03-13 03:06:22,300 INFO L628 ElimStorePlain]: treesize reduction 1009, result has 43.2 percent of original size [2021-03-13 03:06:22,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:22,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2021-03-13 03:06:22,327 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:22,573 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-03-13 03:06:22,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:22,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:22,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-03-13 03:06:22,592 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:22,849 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-03-13 03:06:22,849 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:22,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:22,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:22,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:22,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 19 [2021-03-13 03:06:22,875 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:23,110 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-03-13 03:06:23,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:23,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:23,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2021-03-13 03:06:23,128 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:23,341 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-03-13 03:06:23,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:23,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2021-03-13 03:06:23,361 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:23,560 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-03-13 03:06:23,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:23,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:23,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2021-03-13 03:06:23,589 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:23,816 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-03-13 03:06:23,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:23,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:23,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:23,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2021-03-13 03:06:23,835 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:24,019 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-03-13 03:06:24,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:24,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:24,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2021-03-13 03:06:24,038 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:24,212 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-13 03:06:24,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:24,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:24,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:24,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-03-13 03:06:24,233 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:24,395 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-03-13 03:06:24,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:24,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:24,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 19 [2021-03-13 03:06:24,415 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:24,576 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-03-13 03:06:24,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:24,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2021-03-13 03:06:24,595 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:24,738 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-13 03:06:24,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:24,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:24,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2021-03-13 03:06:24,753 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:24,889 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-03-13 03:06:24,889 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:24,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:24,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2021-03-13 03:06:24,951 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:25,073 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-13 03:06:25,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:25,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:25,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2021-03-13 03:06:25,088 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:25,207 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-03-13 03:06:25,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:25,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:25,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:06:25,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:06:25,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2021-03-13 03:06:25,228 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-13 03:06:25,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:06:25,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 16 dim-0 vars, 16 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-03-13 03:06:25,344 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 32 variables, input treesize:1824, output treesize:67 [2021-03-13 03:06:25,447 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 03:06:25,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:06:25,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-13 03:06:25,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039587103] [2021-03-13 03:06:25,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-13 03:06:25,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:06:25,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-13 03:06:25,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2021-03-13 03:06:25,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:25,456 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:06:25,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 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 03:06:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 03:06:25,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 03:06:25,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:06:25,880 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2021-03-13 03:06:26,496 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 102 [2021-03-13 03:06:27,542 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 158 [2021-03-13 03:06:28,191 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2021-03-13 03:06:34,115 WARN L205 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 259 DAG size of output: 149 [2021-03-13 03:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 03:06:34,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 03:06:34,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 03:06:34,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:06:34,559 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:06:34,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:06:34,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1747676691, now seen corresponding path program 8 times [2021-03-13 03:06:34,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:06:34,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001878490] [2021-03-13 03:06:34,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:06:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:06:34,985 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2021-03-13 03:06:35,288 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2021-03-13 03:06:35,623 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2021-03-13 03:06:35,909 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-03-13 03:06:36,083 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2021-03-13 03:06:36,221 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2021-03-13 03:06:36,373 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 03:06:36,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001878490] [2021-03-13 03:06:36,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456081797] [2021-03-13 03:06:36,374 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 03:06:36,421 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-13 03:06:36,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:06:36,423 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 49 conjunts are in the unsatisfiable core [2021-03-13 03:06:36,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:06:36,838 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-13 03:06:37,159 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-13 03:06:40,433 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 156 [2021-03-13 03:06:49,069 WARN L205 SmtUtils]: Spent 6.91 s on a formula simplification. DAG size of input: 787 DAG size of output: 752 [2021-03-13 03:06:56,224 WARN L205 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 793 DAG size of output: 756 [2021-03-13 03:07:04,865 WARN L205 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 799 DAG size of output: 760 [2021-03-13 03:07:14,489 WARN L205 SmtUtils]: Spent 7.89 s on a formula simplification. DAG size of input: 805 DAG size of output: 764 [2021-03-13 03:07:15,146 INFO L446 ElimStorePlain]: Different costs {15=[v_prenex_129, v_prenex_147], 20=[v_prenex_140, v_prenex_141, v_prenex_142, v_prenex_120, v_prenex_121, v_prenex_143, v_prenex_122, v_prenex_144, v_prenex_145, v_prenex_123, v_prenex_124, v_prenex_146, v_prenex_125, v_prenex_148, v_prenex_126, v_prenex_127, v_prenex_149, v_prenex_128, v_prenex_150, v_prenex_130, v_prenex_131, v_prenex_132, v_prenex_133, v_prenex_134, v_prenex_135, v_prenex_136, v_prenex_137, v_prenex_138, v_prenex_139, A]} [2021-03-13 03:07:15,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:15,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:15,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 22 [2021-03-13 03:07:15,242 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:15,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:15,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:15,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2021-03-13 03:07:15,310 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:20,567 WARN L205 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 850 DAG size of output: 677 [2021-03-13 03:07:20,569 INFO L628 ElimStorePlain]: treesize reduction 2415, result has 43.5 percent of original size [2021-03-13 03:07:20,569 INFO L518 ElimStorePlain]: Eliminatee v_prenex_147 vanished before elimination [2021-03-13 03:07:20,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:20,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:20,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2021-03-13 03:07:20,629 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:21,840 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 661 [2021-03-13 03:07:21,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:21,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:21,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:21,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:21,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:21,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:21,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:21,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:21,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:21,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:21,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:21,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-03-13 03:07:21,893 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:22,990 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 644 [2021-03-13 03:07:22,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:23,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:23,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:23,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2021-03-13 03:07:23,041 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:24,139 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 627 [2021-03-13 03:07:24,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:24,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:24,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:24,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:24,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 22 [2021-03-13 03:07:24,195 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:25,307 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 610 [2021-03-13 03:07:25,308 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:25,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:25,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:25,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:25,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-03-13 03:07:25,356 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:26,407 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 591 [2021-03-13 03:07:26,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:26,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 22 [2021-03-13 03:07:26,462 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:27,494 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 574 [2021-03-13 03:07:27,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:27,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:27,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2021-03-13 03:07:27,556 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:28,515 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2021-03-13 03:07:28,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:28,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:28,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:28,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 22 [2021-03-13 03:07:28,561 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:29,497 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2021-03-13 03:07:29,498 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:29,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:29,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:29,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2021-03-13 03:07:29,542 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:30,459 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-03-13 03:07:30,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:30,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2021-03-13 03:07:30,511 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:31,471 WARN L205 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2021-03-13 03:07:31,472 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:31,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-03-13 03:07:31,521 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:32,468 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 490 [2021-03-13 03:07:32,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:32,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:32,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:32,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2021-03-13 03:07:32,520 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:33,421 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2021-03-13 03:07:33,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:33,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:33,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2021-03-13 03:07:33,465 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:34,328 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2021-03-13 03:07:34,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:34,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:34,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 22 [2021-03-13 03:07:34,370 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:35,170 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2021-03-13 03:07:35,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:35,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-03-13 03:07:35,216 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:35,999 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2021-03-13 03:07:36,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-03-13 03:07:36,043 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:36,797 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2021-03-13 03:07:36,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:36,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:36,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:36,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-03-13 03:07:36,835 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:37,537 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2021-03-13 03:07:37,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:37,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:37,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:37,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 22 [2021-03-13 03:07:37,577 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:38,296 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2021-03-13 03:07:38,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:38,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:38,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:38,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2021-03-13 03:07:38,337 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:38,985 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2021-03-13 03:07:38,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:39,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:39,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2021-03-13 03:07:39,021 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:39,676 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2021-03-13 03:07:39,677 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:39,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2021-03-13 03:07:39,716 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:40,349 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2021-03-13 03:07:40,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:40,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:40,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2021-03-13 03:07:40,385 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:40,995 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2021-03-13 03:07:40,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:41,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:41,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-03-13 03:07:41,038 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:41,739 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-03-13 03:07:41,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:41,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:41,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:41,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 22 [2021-03-13 03:07:41,784 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:42,361 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-03-13 03:07:42,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:42,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:42,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 22 [2021-03-13 03:07:42,398 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:42,934 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-13 03:07:42,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:42,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:42,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:42,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-03-13 03:07:42,964 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:43,478 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-03-13 03:07:43,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:43,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:43,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2021-03-13 03:07:43,512 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:44,002 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-03-13 03:07:44,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:44,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:44,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2021-03-13 03:07:44,042 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:44,519 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-13 03:07:44,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:44,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:44,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:44,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 22 [2021-03-13 03:07:44,551 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:45,005 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-03-13 03:07:45,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:45,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-13 03:07:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-13 03:07:45,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2021-03-13 03:07:45,049 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-03-13 03:07:45,522 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-03-13 03:07:45,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-13 03:07:45,550 INFO L550 ElimStorePlain]: Start of recursive call 1: 32 dim-0 vars, 32 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-03-13 03:07:45,551 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 64 variables, input treesize:4377, output treesize:85 [2021-03-13 03:07:45,886 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 03:07:45,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-13 03:07:45,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 25 [2021-03-13 03:07:45,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174841073] [2021-03-13 03:07:45,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-13 03:07:45,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 03:07:45,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-13 03:07:45,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2021-03-13 03:07:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:07:45,889 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 03:07:45,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 26 states have internal predecessors, (42), 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 03:07:45,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:07:45,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:07:45,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:07:45,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:07:45,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:07:45,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:07:45,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:07:45,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:07:45,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-13 03:07:45,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 03:07:45,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-13 03:07:45,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 03:07:46,818 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-03-13 03:07:48,137 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-03-13 03:07:49,734 WARN L205 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2021-03-13 03:07:54,366 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 275 DAG size of output: 233 [2021-03-13 03:07:56,328 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 180 DAG size of output: 168 [2021-03-13 03:08:29,429 WARN L205 SmtUtils]: Spent 32.78 s on a formula simplification. DAG size of input: 373 DAG size of output: 248 [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 03:08:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-13 03:08:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-13 03:08:30,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:08:30,363 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 03:08:30,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 03:08:30,364 INFO L82 PathProgramCache]: Analyzing trace with hash 847289327, now seen corresponding path program 9 times [2021-03-13 03:08:30,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 03:08:30,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110403444] [2021-03-13 03:08:30,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 03:08:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 03:08:31,192 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2021-03-13 03:08:31,823 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-03-13 03:08:32,069 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 222 [2021-03-13 03:08:33,403 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 222 DAG size of output: 94 [2021-03-13 03:08:33,600 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 277 [2021-03-13 03:08:36,682 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 277 DAG size of output: 127 [2021-03-13 03:08:37,423 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 306 [2021-03-13 03:08:42,023 WARN L205 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 306 DAG size of output: 164 [2021-03-13 03:08:42,644 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 296 [2021-03-13 03:08:46,978 WARN L205 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 296 DAG size of output: 154 [2021-03-13 03:08:47,636 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 245 [2021-03-13 03:08:49,718 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 245 DAG size of output: 108 [2021-03-13 03:08:50,164 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 199 [2021-03-13 03:08:51,606 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 199 DAG size of output: 75 [2021-03-13 03:08:51,780 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 141 [2021-03-13 03:08:52,696 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 46 [2021-03-13 03:08:53,133 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2021-03-13 03:08:53,360 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 03:08:53,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110403444] [2021-03-13 03:08:53,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088277617] [2021-03-13 03:08:53,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-13 03:08:53,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-13 03:08:53,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-13 03:08:53,400 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 58 conjunts are in the unsatisfiable core [2021-03-13 03:08:53,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-13 03:08:54,017 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-13 03:08:54,345 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-13 03:08:54,851 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-03-13 03:09:04,156 WARN L205 SmtUtils]: Spent 8.28 s on a formula simplification that was a NOOP. DAG size: 185 [2021-03-13 03:14:52,750 WARN L205 SmtUtils]: Spent 5.68 m on a formula simplification that was a NOOP. DAG size: 1750 [2021-03-13 03:17:42,281 WARN L205 SmtUtils]: Spent 2.62 m on a formula simplification that was a NOOP. DAG size: 1749 Received shutdown request... [2021-03-13 03:20:50,150 WARN L222 SmtUtils]: Removed 24 from assertion stack [2021-03-13 03:20:50,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable213 [2021-03-13 03:20:50,352 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-13 03:20:50,363 WARN L224 ceAbstractionStarter]: Timeout [2021-03-13 03:20:50,363 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 03:20:50 BasicIcfg [2021-03-13 03:20:50,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 03:20:50,364 INFO L168 Benchmark]: Toolchain (without parser) took 883507.75 ms. Allocated memory was 255.9 MB in the beginning and 463.5 MB in the end (delta: 207.6 MB). Free memory was 236.8 MB in the beginning and 323.7 MB in the end (delta: -87.0 MB). Peak memory consumption was 281.6 MB. Max. memory is 16.0 GB. [2021-03-13 03:20:50,364 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 238.0 MB in the end (delta: 23.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 03:20:50,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 03:20:50,364 INFO L168 Benchmark]: Boogie Preprocessor took 10.49 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 233.9 MB in the end (delta: 874.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 03:20:50,364 INFO L168 Benchmark]: RCFGBuilder took 248.09 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 236.6 MB in the end (delta: -2.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.0 GB. [2021-03-13 03:20:50,364 INFO L168 Benchmark]: TraceAbstraction took 883200.80 ms. Allocated memory was 255.9 MB in the beginning and 463.5 MB in the end (delta: 207.6 MB). Free memory was 236.6 MB in the beginning and 323.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 280.9 MB. Max. memory is 16.0 GB. [2021-03-13 03:20:50,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 238.0 MB in the end (delta: 23.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.49 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 233.9 MB in the end (delta: 874.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 248.09 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 236.6 MB in the end (delta: -2.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 883200.80 ms. Allocated memory was 255.9 MB in the beginning and 463.5 MB in the end (delta: 207.6 MB). Free memory was 236.6 MB in the beginning and 323.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 280.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 328.3ms, 36 PlacesBefore, 25 PlacesAfterwards, 29 TransitionsBefore, 18 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 2 FixpointIterations, 6 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 116 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 116, positive: 116, positive conditional: 0, positive unconditional: 116, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 86, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 86, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 86, unknown conditional: 0, unknown unconditional: 86] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1083, positive: 812, positive conditional: 812, positive unconditional: 0, negative: 271, negative conditional: 271, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 812, positive: 812, positive conditional: 812, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 812, positive: 812, positive conditional: 0, positive unconditional: 812, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 34, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 812, positive: 778, positive conditional: 0, positive unconditional: 778, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 34, unknown conditional: 0, unknown unconditional: 34] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 271 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 65). Cancelled while PartialOrderCegarLoop was analyzing trace of length 24 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1947 for 171651ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 883116.3ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 357.3ms, PartialOrderReductionTime: 54855.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 39.6ms SsaConstructionTime, 238.5ms SatisfiabilityAnalysisTime, 85436.6ms InterpolantComputationTime, 325 NumberOfCodeBlocks, 325 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 304 ConstructedInterpolants, 16 QuantifiedInterpolants, 29744 SizeOfPredicates, 25 NumberOfNonLiveVariables, 608 ConjunctsInSsa, 169 ConjunctsInUnsatCore, 21 InterpolantComputations, 3 PerfectInterpolantSequences, 33/198 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown