/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 22:20:16,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 22:20:16,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 22:20:16,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-19 22:20:16,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 22:20:16,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 22:20:16,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 22:20:16,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf [2021-02-19 22:20:17,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 22:20:17,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 22:20:17,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 22:20:17,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 22:20:17,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 22:20:17,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 22:20:17,020 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 22:20:17,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 22:20:17,020 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 22:20:17,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 22:20:17,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 22:20:17,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 22:20:17,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 22:20:17,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 22:20:17,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 22:20:17,021 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 22:20:17,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 22:20:17,022 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 22:20:17,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 22:20:17,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 22:20:17,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 22:20:17,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 22:20:17,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 22:20:17,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 22:20:17,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 22:20:17,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 22:20:17,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 22:20:17,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 22:20:17,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 22:20:17,023 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 22:20:17,023 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 22:20:17,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 22:20:17,023 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 22:20:17,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 22:20:17,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 22:20:17,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 22:20:17,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 22:20:17,305 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 22:20:17,306 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 22:20:17,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2021-02-19 22:20:17,307 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2021-02-19 22:20:17,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 22:20:17,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 22:20:17,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 22:20:17,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 22:20:17,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 22:20:17,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (1/1) ... [2021-02-19 22:20:17,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (1/1) ... [2021-02-19 22:20:17,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 22:20:17,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 22:20:17,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 22:20:17,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 22:20:17,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (1/1) ... [2021-02-19 22:20:17,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (1/1) ... [2021-02-19 22:20:17,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (1/1) ... [2021-02-19 22:20:17,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (1/1) ... [2021-02-19 22:20:17,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (1/1) ... [2021-02-19 22:20:17,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (1/1) ... [2021-02-19 22:20:17,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (1/1) ... [2021-02-19 22:20:17,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 22:20:17,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 22:20:17,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 22:20:17,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 22:20:17,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (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 [2021-02-19 22:20:17,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 22:20:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 22:20:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 22:20:17,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 22:20:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 22:20:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 22:20:17,451 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 22:20:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 22:20:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 22:20:17,452 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-19 22:20:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-19 22:20:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-19 22:20:17,452 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 22:20:17,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 22:20:17,587 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 22:20:17,589 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:20:17 BoogieIcfgContainer [2021-02-19 22:20:17,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 22:20:17,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 22:20:17,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 22:20:17,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 22:20:17,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:17" (1/2) ... [2021-02-19 22:20:17,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c27f0d2 and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:20:17, skipping insertion in model container [2021-02-19 22:20:17,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:20:17" (2/2) ... [2021-02-19 22:20:17,594 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2021-02-19 22:20:17,597 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 22:20:17,597 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 22:20:17,599 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 22:20:17,604 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 22:20:17,656 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-19 22:20:17,667 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 22:20:17,708 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 22:20:17,708 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 22:20:17,708 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 22:20:17,708 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 22:20:17,708 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 22:20:17,708 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 22:20:17,708 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 22:20:17,708 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 22:20:17,735 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:20:17,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:20:17,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1399820781, now seen corresponding path program 1 times [2021-02-19 22:20:17,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:20:17,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511235148] [2021-02-19 22:20:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:20:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:17,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:20:17,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511235148] [2021-02-19 22:20:17,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 22:20:17,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 22:20:17,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405188792] [2021-02-19 22:20:17,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 22:20:17,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:20:17,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 22:20:17,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 22:20:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:17,903 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:20:17,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-02-19 22:20:17,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:17,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:17,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 22:20:17,990 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:20:17,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:20:17,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1882321483, now seen corresponding path program 1 times [2021-02-19 22:20:17,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:20:17,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788717391] [2021-02-19 22:20:17,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:20:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:20:18,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788717391] [2021-02-19 22:20:18,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 22:20:18,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 22:20:18,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070902528] [2021-02-19 22:20:18,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 22:20:18,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:20:18,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 22:20:18,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 22:20:18,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:18,060 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:20:18,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:20:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:18,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:18,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:18,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:18,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 22:20:18,109 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:20:18,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:20:18,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833961, now seen corresponding path program 1 times [2021-02-19 22:20:18,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:20:18,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577146248] [2021-02-19 22:20:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:20:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:18,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:20:18,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577146248] [2021-02-19 22:20:18,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687098822] [2021-02-19 22:20:18,542 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 [2021-02-19 22:20:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:18,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-02-19 22:20:18,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:20:18,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:20:18,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:20:18,865 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 [2021-02-19 22:20:18,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:18,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:20:18,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:20:18,872 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 [2021-02-19 22:20:18,874 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:18,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:20:18,877 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 [2021-02-19 22:20:18,878 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:18,889 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:18,892 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 22:20:18,893 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-02-19 22:20:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:20:18,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:20:18,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-02-19 22:20:18,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239332378] [2021-02-19 22:20:18,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-19 22:20:18,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:20:18,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-19 22:20:18,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-02-19 22:20:18,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:18,946 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:20:18,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:20:18,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:18,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:18,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:19,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:19,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:19,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:19,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:20:19,322 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:20:19,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:20:19,323 INFO L82 PathProgramCache]: Analyzing trace with hash 2135652999, now seen corresponding path program 2 times [2021-02-19 22:20:19,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:20:19,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495216955] [2021-02-19 22:20:19,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:20:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:20:19,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495216955] [2021-02-19 22:20:19,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169045536] [2021-02-19 22:20:19,372 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 [2021-02-19 22:20:19,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:20:19,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:20:19,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 22:20:19,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:20:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:20:19,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:20:19,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-02-19 22:20:19,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493889386] [2021-02-19 22:20:19,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-19 22:20:19,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:20:19,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-19 22:20:19,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-02-19 22:20:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:19,502 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:20:19,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:20:19,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:19,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:19,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:19,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:19,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:19,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:19,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:19,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:20:19,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-02-19 22:20:19,838 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:20:19,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:20:19,838 INFO L82 PathProgramCache]: Analyzing trace with hash -357408053, now seen corresponding path program 1 times [2021-02-19 22:20:19,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:20:19,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8076386] [2021-02-19 22:20:19,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:20:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:20:19,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8076386] [2021-02-19 22:20:19,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668322941] [2021-02-19 22:20:19,883 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 [2021-02-19 22:20:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:19,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 22:20:19,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:20:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:20:19,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:20:19,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-02-19 22:20:19,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647648343] [2021-02-19 22:20:19,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-19 22:20:19,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:20:19,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-19 22:20:19,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-02-19 22:20:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:19,992 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:20:19,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 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) [2021-02-19 22:20:19,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:19,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:19,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:19,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:20:19,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:20,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:20,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:20,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:20:20,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:20:20,286 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:20:20,286 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:20:20,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:20:20,287 INFO L82 PathProgramCache]: Analyzing trace with hash -336173655, now seen corresponding path program 2 times [2021-02-19 22:20:20,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:20:20,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859878717] [2021-02-19 22:20:20,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:20:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:20,729 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-02-19 22:20:20,886 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2021-02-19 22:20:21,036 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-02-19 22:20:21,178 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2021-02-19 22:20:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:20:21,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859878717] [2021-02-19 22:20:21,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434708275] [2021-02-19 22:20:21,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:20:21,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:20:21,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:20:21,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2021-02-19 22:20:21,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:20:21,903 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-02-19 22:20:22,708 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2021-02-19 22:20:22,987 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 22:20:23,226 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 22:20:23,822 INFO L446 ElimStorePlain]: Different costs {5=[A, v_prenex_40, v_prenex_36, v_prenex_39, v_prenex_38, v_prenex_37], 6=[v_prenex_42, v_prenex_41]} [2021-02-19 22:20:23,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:23,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:23,859 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-02-19 22:20:23,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 31 [2021-02-19 22:20:23,867 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:23,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:23,905 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:23,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 46 [2021-02-19 22:20:23,910 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:24,345 WARN L202 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-02-19 22:20:24,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:24,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:24,381 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:24,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 46 [2021-02-19 22:20:24,385 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:24,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:24,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:24,419 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-02-19 22:20:24,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 35 [2021-02-19 22:20:24,437 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:24,843 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-02-19 22:20:24,843 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:24,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:24,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:24,878 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:24,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 46 [2021-02-19 22:20:24,883 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:24,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:24,919 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-02-19 22:20:24,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 39 [2021-02-19 22:20:24,931 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:25,352 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-02-19 22:20:25,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:25,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:25,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:25,395 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-02-19 22:20:25,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 35 [2021-02-19 22:20:25,402 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:25,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:25,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:25,436 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-02-19 22:20:25,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 42 [2021-02-19 22:20:25,438 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:25,790 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-02-19 22:20:25,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:25,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:25,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:25,820 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:25,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 46 [2021-02-19 22:20:25,824 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:25,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:25,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:25,854 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-02-19 22:20:25,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 35 [2021-02-19 22:20:25,860 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:26,203 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-02-19 22:20:26,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,239 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-02-19 22:20:26,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 42 [2021-02-19 22:20:26,248 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,274 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-02-19 22:20:26,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 39 [2021-02-19 22:20:26,282 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:26,585 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-02-19 22:20:26,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,614 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:26,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 39 [2021-02-19 22:20:26,634 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:26,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,662 INFO L354 Elim1Store]: treesize reduction 12, result has 55.6 percent of original size [2021-02-19 22:20:26,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 30 [2021-02-19 22:20:26,664 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:26,950 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-02-19 22:20:26,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:26,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,983 INFO L354 Elim1Store]: treesize reduction 4, result has 85.2 percent of original size [2021-02-19 22:20:26,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 38 [2021-02-19 22:20:26,990 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:27,020 INFO L354 Elim1Store]: treesize reduction 8, result has 70.4 percent of original size [2021-02-19 22:20:27,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2021-02-19 22:20:27,023 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:27,330 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 22:20:27,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:20:27,403 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 8 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-02-19 22:20:27,403 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 17 variables, input treesize:837, output treesize:1063 [2021-02-19 22:20:27,783 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 54 [2021-02-19 22:20:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:20:27,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:20:27,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-02-19 22:20:27,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142859339] [2021-02-19 22:20:27,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-19 22:20:27,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:20:27,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-19 22:20:27,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2021-02-19 22:20:27,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:27,918 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:20:27,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.4166666666666665) internal successors, (58), 24 states have internal predecessors, (58), 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) [2021-02-19 22:20:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:20:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:20:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:28,357 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 47 [2021-02-19 22:20:28,830 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2021-02-19 22:20:29,319 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 88 [2021-02-19 22:20:29,962 WARN L202 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-02-19 22:20:30,480 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2021-02-19 22:20:30,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:30,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:30,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:30,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:20:30,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:20:30,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 22:20:30,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-02-19 22:20:30,820 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:20:30,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:20:30,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1404753657, now seen corresponding path program 3 times [2021-02-19 22:20:30,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:20:30,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800201835] [2021-02-19 22:20:30,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:20:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:20:30,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800201835] [2021-02-19 22:20:30,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009653606] [2021-02-19 22:20:30,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:20:30,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-02-19 22:20:30,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:20:30,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-19 22:20:30,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:20:31,075 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:20:31,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:20:31,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-02-19 22:20:31,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879598917] [2021-02-19 22:20:31,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-19 22:20:31,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:20:31,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-19 22:20:31,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-02-19 22:20:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:31,077 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:20:31,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:20:31,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:31,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:31,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:31,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:20:31,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:20:31,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 22:20:31,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:20:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:20:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 22:20:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:20:31,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:20:31,670 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:20:31,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:20:31,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1909403317, now seen corresponding path program 4 times [2021-02-19 22:20:31,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:20:31,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859514755] [2021-02-19 22:20:31,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:20:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:20:31,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859514755] [2021-02-19 22:20:31,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636858207] [2021-02-19 22:20:31,739 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-02-19 22:20:31,771 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 22:20:31,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:20:31,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-19 22:20:31,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:20:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:20:31,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:20:31,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-02-19 22:20:31,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192681078] [2021-02-19 22:20:31,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-19 22:20:31,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:20:31,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-19 22:20:31,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-02-19 22:20:31,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:31,864 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:20:31,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:20:31,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:31,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:31,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:31,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:20:31,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:20:31,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 22:20:31,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:20:31,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:20:31,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:20:31,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:20:31,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:20:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:20:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:20:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 22:20:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:20:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:20:32,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:20:32,182 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:20:32,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:20:32,182 INFO L82 PathProgramCache]: Analyzing trace with hash 665523753, now seen corresponding path program 5 times [2021-02-19 22:20:32,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:20:32,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212017060] [2021-02-19 22:20:32,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:20:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:20:32,954 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2021-02-19 22:20:33,306 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2021-02-19 22:20:33,858 WARN L202 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 119 [2021-02-19 22:20:34,540 WARN L202 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 136 [2021-02-19 22:20:35,202 WARN L202 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 131 [2021-02-19 22:20:36,101 WARN L202 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 119 [2021-02-19 22:20:36,601 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 88 [2021-02-19 22:20:36,815 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 57 [2021-02-19 22:20:37,014 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 54 [2021-02-19 22:20:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:20:37,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212017060] [2021-02-19 22:20:37,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907785472] [2021-02-19 22:20:37,193 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:20:37,230 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-02-19 22:20:37,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:20:37,231 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-02-19 22:20:37,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:20:38,888 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 119 [2021-02-19 22:20:40,247 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 355 [2021-02-19 22:20:43,600 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 393 DAG size of output: 359 [2021-02-19 22:20:46,660 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 399 DAG size of output: 363 [2021-02-19 22:20:50,187 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 405 DAG size of output: 367 [2021-02-19 22:20:51,698 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 366 [2021-02-19 22:20:53,051 WARN L202 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-02-19 22:20:54,888 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-02-19 22:20:55,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:20:55,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:55,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:55,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:55,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:55,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:20:55,651 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 47 treesize of output 25 [2021-02-19 22:20:55,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:20:55,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:20:55,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:55,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:55,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:55,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:20:55,691 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 28 [2021-02-19 22:20:55,693 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:03,396 WARN L202 SmtUtils]: Spent 7.70 s on a formula simplification. DAG size of input: 798 DAG size of output: 728 [2021-02-19 22:21:03,398 INFO L628 ElimStorePlain]: treesize reduction 1197, result has 68.9 percent of original size [2021-02-19 22:21:03,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:03,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:03,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:03,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:03,465 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 28 [2021-02-19 22:21:03,467 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:03,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:03,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:03,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:03,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:03,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-02-19 22:21:03,507 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:06,649 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 716 [2021-02-19 22:21:06,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:06,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:06,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:06,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:06,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:06,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:06,705 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 28 [2021-02-19 22:21:06,707 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:06,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:06,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:06,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:06,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:06,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-02-19 22:21:06,748 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:09,673 WARN L202 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 702 [2021-02-19 22:21:09,674 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:09,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:09,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:09,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:09,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:09,707 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 49 treesize of output 25 [2021-02-19 22:21:09,709 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:12,796 WARN L202 SmtUtils]: Spent 3.09 s on a formula simplification that was a NOOP. DAG size: 689 [2021-02-19 22:21:12,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:12,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:12,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:12,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:12,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-02-19 22:21:12,854 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:12,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:12,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:12,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:12,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:12,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:12,889 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 43 treesize of output 25 [2021-02-19 22:21:12,891 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:15,940 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 673 [2021-02-19 22:21:15,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:15,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:15,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:15,978 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 47 treesize of output 25 [2021-02-19 22:21:15,987 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:18,988 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 658 [2021-02-19 22:21:18,988 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:19,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:19,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:19,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:19,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:19,023 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 49 treesize of output 25 [2021-02-19 22:21:19,025 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:22,091 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification that was a NOOP. DAG size: 643 [2021-02-19 22:21:22,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:22,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:22,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:22,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:22,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:22,126 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 49 treesize of output 25 [2021-02-19 22:21:22,127 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:25,145 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 628 [2021-02-19 22:21:25,146 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:25,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:25,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:25,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:25,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:25,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:25,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:25,201 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 45 treesize of output 25 [2021-02-19 22:21:25,203 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:25,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:25,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:25,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:25,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:25,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-02-19 22:21:25,241 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:28,186 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 612 [2021-02-19 22:21:28,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:28,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:28,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-02-19 22:21:28,247 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:28,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:28,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:28,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:28,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:28,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:28,281 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 28 [2021-02-19 22:21:28,284 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:31,058 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 595 [2021-02-19 22:21:31,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:31,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:31,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:31,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:31,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:31,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:31,093 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 49 treesize of output 25 [2021-02-19 22:21:31,108 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:33,849 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 580 [2021-02-19 22:21:33,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:33,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:33,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:33,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:33,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:33,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:33,890 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 36 treesize of output 22 [2021-02-19 22:21:33,894 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:36,674 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 566 [2021-02-19 22:21:36,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:36,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:36,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:36,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:36,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:36,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:36,710 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 47 treesize of output 25 [2021-02-19 22:21:36,712 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:39,365 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 552 [2021-02-19 22:21:39,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:39,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:39,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:39,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:39,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:39,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:39,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:39,427 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 28 [2021-02-19 22:21:39,429 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:39,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:39,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:39,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:39,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:39,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-02-19 22:21:39,466 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:41,962 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 537 [2021-02-19 22:21:41,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:41,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:41,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:41,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:41,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:41,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:41,996 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 49 treesize of output 25 [2021-02-19 22:21:41,998 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:44,532 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 522 [2021-02-19 22:21:44,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:44,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:44,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:44,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:44,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:44,565 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 45 treesize of output 25 [2021-02-19 22:21:44,569 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:47,098 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 507 [2021-02-19 22:21:47,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:47,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:47,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:47,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:47,131 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 49 treesize of output 25 [2021-02-19 22:21:47,134 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:49,585 WARN L202 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 492 [2021-02-19 22:21:49,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:49,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:49,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:49,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:49,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:49,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-02-19 22:21:49,646 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:49,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:49,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:49,679 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 28 [2021-02-19 22:21:49,682 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:52,059 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 475 [2021-02-19 22:21:52,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:52,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:52,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:52,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:52,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:52,099 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 47 treesize of output 25 [2021-02-19 22:21:52,103 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:54,539 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 460 [2021-02-19 22:21:54,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:54,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:54,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:54,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:54,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:54,571 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 49 treesize of output 25 [2021-02-19 22:21:54,574 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:56,957 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 445 [2021-02-19 22:21:56,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:56,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:56,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:56,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:56,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:57,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-02-19 22:21:57,028 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:57,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:57,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:57,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:57,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:57,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:57,060 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 28 [2021-02-19 22:21:57,063 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:59,403 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 428 [2021-02-19 22:21:59,404 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:21:59,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:59,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:59,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:59,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-02-19 22:21:59,464 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-02-19 22:21:59,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:21:59,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:59,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:59,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:21:59,498 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 28 [2021-02-19 22:21:59,501 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:01,813 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 411 [2021-02-19 22:22:01,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:22:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:01,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:01,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:01,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:01,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:01,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:01,874 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 47 treesize of output 25 [2021-02-19 22:22:01,877 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:01,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:01,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:01,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:01,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-02-19 22:22:01,912 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:04,028 WARN L202 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 394 [2021-02-19 22:22:04,029 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:22:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:04,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:04,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:04,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:04,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:04,104 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 49 treesize of output 25 [2021-02-19 22:22:04,108 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:04,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-02-19 22:22:04,152 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:06,268 WARN L202 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 377 [2021-02-19 22:22:06,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:22:06,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:06,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:06,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:06,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:06,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:06,298 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 45 treesize of output 25 [2021-02-19 22:22:06,302 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:08,188 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 362 [2021-02-19 22:22:08,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:22:08,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:08,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:08,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:08,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:08,216 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 43 treesize of output 25 [2021-02-19 22:22:08,220 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:10,069 WARN L202 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 347 [2021-02-19 22:22:10,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:22:10,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:10,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:10,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:10,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:10,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:10,100 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 49 treesize of output 25 [2021-02-19 22:22:10,103 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:12,012 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 332 [2021-02-19 22:22:12,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:22:12,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:12,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:12,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:12,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:12,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:12,073 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 28 [2021-02-19 22:22:12,075 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:12,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:12,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:12,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-02-19 22:22:12,106 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:13,799 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 317 [2021-02-19 22:22:13,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:22:13,800 INFO L518 ElimStorePlain]: Eliminatee v_prenex_81 vanished before elimination [2021-02-19 22:22:13,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:13,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:13,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:13,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:13,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-02-19 22:22:13,878 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:13,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:13,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:13,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:13,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:13,915 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 28 [2021-02-19 22:22:13,920 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:15,502 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 300 [2021-02-19 22:22:15,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:22:15,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:15,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:15,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:15,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:15,555 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 28 [2021-02-19 22:22:15,558 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:15,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:15,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:15,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:15,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:15,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-02-19 22:22:15,588 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:17,121 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 283 [2021-02-19 22:22:17,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:22:17,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:17,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:17,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:17,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:17,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:17,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:22:17,172 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 28 [2021-02-19 22:22:17,176 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:17,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:17,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:17,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:17,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:22:17,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-02-19 22:22:17,205 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-02-19 22:22:18,557 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 266 [2021-02-19 22:22:18,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:22:18,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 23 xjuncts. [2021-02-19 22:22:18,592 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3924, output treesize:276 [2021-02-19 22:22:19,006 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 20 [2021-02-19 22:22:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:22:19,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:22:19,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-02-19 22:22:19,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346309967] [2021-02-19 22:22:19,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-02-19 22:22:19,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:22:19,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-02-19 22:22:19,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=895, Unknown=0, NotChecked=0, Total=992 [2021-02-19 22:22:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:22:19,121 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:22:19,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 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) [2021-02-19 22:22:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:22:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:22:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:22:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:22:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:22:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 22:22:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:22:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:22:19,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:22:19,858 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 36 [2021-02-19 22:22:20,766 WARN L202 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 51 [2021-02-19 22:22:21,050 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2021-02-19 22:22:21,895 WARN L202 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 65 [2021-02-19 22:22:22,314 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 61 [2021-02-19 22:22:23,268 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 71 [2021-02-19 22:22:24,007 WARN L202 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 85 [2021-02-19 22:22:27,394 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 563 DAG size of output: 202 [2021-02-19 22:22:33,353 WARN L202 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 242 DAG size of output: 123 [2021-02-19 22:22:43,426 WARN L202 SmtUtils]: Spent 9.64 s on a formula simplification. DAG size of input: 547 DAG size of output: 167 [2021-02-19 22:22:44,217 WARN L202 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-02-19 22:22:45,557 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2021-02-19 22:22:46,837 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-02-19 22:22:48,451 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2021-02-19 22:22:48,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:22:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:22:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:22:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:22:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:22:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 22:22:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:22:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:22:48,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 22:22:48,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:22:48,839 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:22:48,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:22:48,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1742246973, now seen corresponding path program 6 times [2021-02-19 22:22:48,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:22:48,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289044574] [2021-02-19 22:22:48,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:22:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:22:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:22:49,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289044574] [2021-02-19 22:22:49,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405560675] [2021-02-19 22:22:49,140 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:22:49,169 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-02-19 22:22:49,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:22:49,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-02-19 22:22:49,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:22:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:22:49,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:22:49,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-02-19 22:22:49,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981192612] [2021-02-19 22:22:49,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-19 22:22:49,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:22:49,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-19 22:22:49,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-02-19 22:22:49,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:22:49,860 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:22:49,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:22:49,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:22:49,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:22:49,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:22:49,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:22:49,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:22:49,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 22:22:49,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:22:49,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:22:49,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 22:22:49,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:22:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:22:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:22:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:22:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:22:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:22:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 22:22:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:22:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:22:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 22:22:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:22:50,424 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable330,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:22:50,424 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:22:50,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:22:50,424 INFO L82 PathProgramCache]: Analyzing trace with hash -663358815, now seen corresponding path program 7 times [2021-02-19 22:22:50,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:22:50,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552814825] [2021-02-19 22:22:50,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:22:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:22:53,168 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 27 [2021-02-19 22:22:53,387 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 262 [2021-02-19 22:22:55,059 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 262 DAG size of output: 51 [2021-02-19 22:22:56,555 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 438 DAG size of output: 513 [2021-02-19 22:22:56,695 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 442 [2021-02-19 22:23:01,558 WARN L202 SmtUtils]: Spent 4.78 s on a formula simplification. DAG size of input: 512 DAG size of output: 79 [2021-02-19 22:23:06,236 WARN L202 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 530 DAG size of output: 830 [2021-02-19 22:23:06,573 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 678 [2021-02-19 22:23:15,510 WARN L202 SmtUtils]: Spent 8.78 s on a formula simplification. DAG size of input: 830 DAG size of output: 109 [2021-02-19 22:23:40,943 WARN L202 SmtUtils]: Spent 25.43 s on a formula simplification. DAG size of input: 786 DAG size of output: 1521 [2021-02-19 22:23:41,717 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 1521 DAG size of output: 1272 [2021-02-19 22:23:58,257 WARN L202 SmtUtils]: Spent 16.09 s on a formula simplification. DAG size of input: 1510 DAG size of output: 128 [2021-02-19 22:24:46,190 WARN L202 SmtUtils]: Spent 47.93 s on a formula simplification. DAG size of input: 851 DAG size of output: 1320 [2021-02-19 22:24:46,708 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 1129 [2021-02-19 22:25:05,108 WARN L202 SmtUtils]: Spent 17.97 s on a formula simplification. DAG size of input: 1319 DAG size of output: 201 [2021-02-19 22:26:00,595 WARN L202 SmtUtils]: Spent 55.47 s on a formula simplification. DAG size of input: 858 DAG size of output: 1249 [2021-02-19 22:26:01,108 WARN L202 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 1249 DAG size of output: 1104 [2021-02-19 22:26:21,087 WARN L202 SmtUtils]: Spent 19.38 s on a formula simplification. DAG size of input: 1249 DAG size of output: 200 [2021-02-19 22:26:35,753 WARN L202 SmtUtils]: Spent 14.65 s on a formula simplification. DAG size of input: 945 DAG size of output: 1501 [2021-02-19 22:26:36,490 WARN L202 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 1501 DAG size of output: 1294 [2021-02-19 22:27:03,003 WARN L202 SmtUtils]: Spent 25.94 s on a formula simplification. DAG size of input: 1499 DAG size of output: 257 [2021-02-19 22:27:16,356 WARN L202 SmtUtils]: Spent 13.35 s on a formula simplification. DAG size of input: 579 DAG size of output: 936 [2021-02-19 22:27:16,812 WARN L202 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 936 DAG size of output: 795 [2021-02-19 22:27:33,571 WARN L202 SmtUtils]: Spent 16.39 s on a formula simplification. DAG size of input: 936 DAG size of output: 178 [2021-02-19 22:27:38,664 WARN L202 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 444 DAG size of output: 434 [2021-02-19 22:27:47,676 WARN L202 SmtUtils]: Spent 8.67 s on a formula simplification. DAG size of input: 434 DAG size of output: 136 [2021-02-19 22:27:48,509 WARN L202 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 266 [2021-02-19 22:27:52,702 WARN L202 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 266 DAG size of output: 100 [2021-02-19 22:27:55,169 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 185 DAG size of output: 86 [2021-02-19 22:27:57,712 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 180 DAG size of output: 81 [2021-02-19 22:27:59,137 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 157 DAG size of output: 50 [2021-02-19 22:27:59,908 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 29 [2021-02-19 22:28:00,268 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 16 [2021-02-19 22:28:00,627 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 12 [2021-02-19 22:28:00,679 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:28:00,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552814825] [2021-02-19 22:28:00,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425368718] [2021-02-19 22:28:00,680 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:28:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:28:00,725 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-02-19 22:28:00,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:28:01,508 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-02-19 22:28:01,980 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-02-19 22:28:02,724 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 22:28:03,821 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-02-19 22:28:05,388 WARN L202 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-02-19 22:28:07,348 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 180 [2021-02-19 22:28:09,791 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 189 [2021-02-19 22:28:12,231 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 191 [2021-02-19 22:28:15,044 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 210 [2021-02-19 22:28:18,144 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 211 [2021-02-19 22:28:22,405 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 215 [2021-02-19 22:28:26,260 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 212 [2021-02-19 22:28:30,557 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 215 [2021-02-19 22:28:35,778 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 229 Received shutdown request... [2021-02-19 22:29:37,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable331 [2021-02-19 22:29:37,800 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-19 22:29:37,804 WARN L224 ceAbstractionStarter]: Timeout [2021-02-19 22:29:37,804 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 10:29:37 BasicIcfg [2021-02-19 22:29:37,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 22:29:37,805 INFO L168 Benchmark]: Toolchain (without parser) took 560468.84 ms. Allocated memory was 362.8 MB in the beginning and 755.0 MB in the end (delta: 392.2 MB). Free memory was 343.4 MB in the beginning and 336.0 MB in the end (delta: 7.4 MB). Peak memory consumption was 472.5 MB. Max. memory is 16.0 GB. [2021-02-19 22:29:37,805 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 362.8 MB. Free memory was 344.6 MB in the beginning and 344.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 22:29:37,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.40 ms. Allocated memory is still 362.8 MB. Free memory was 342.9 MB in the beginning and 341.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 22:29:37,805 INFO L168 Benchmark]: Boogie Preprocessor took 19.89 ms. Allocated memory is still 362.8 MB. Free memory was 341.4 MB in the beginning and 340.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 22:29:37,805 INFO L168 Benchmark]: RCFGBuilder took 208.21 ms. Allocated memory is still 362.8 MB. Free memory was 340.4 MB in the beginning and 327.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-02-19 22:29:37,805 INFO L168 Benchmark]: TraceAbstraction took 560214.40 ms. Allocated memory was 362.8 MB in the beginning and 755.0 MB in the end (delta: 392.2 MB). Free memory was 327.0 MB in the beginning and 336.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 455.8 MB. Max. memory is 16.0 GB. [2021-02-19 22:29:37,805 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 0.12 ms. Allocated memory is still 362.8 MB. Free memory was 344.6 MB in the beginning and 344.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 18.40 ms. Allocated memory is still 362.8 MB. Free memory was 342.9 MB in the beginning and 341.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.89 ms. Allocated memory is still 362.8 MB. Free memory was 341.4 MB in the beginning and 340.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 208.21 ms. Allocated memory is still 362.8 MB. Free memory was 340.4 MB in the beginning and 327.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 560214.40 ms. Allocated memory was 362.8 MB in the beginning and 755.0 MB in the end (delta: 392.2 MB). Free memory was 327.0 MB in the beginning and 336.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 455.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 65). Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 560.1s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 116.8s InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 528 ConstructedInterpolants, 28 QuantifiedInterpolants, 2138787 SizeOfPredicates, 35 NumberOfNonLiveVariables, 659 ConjunctsInSsa, 155 ConjunctsInUnsatCore, 18 InterpolantComputations, 2 PerfectInterpolantSequences, 101/375 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