/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/producer-consumer-equiv-NAo.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-20 02:13:23,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-20 02:13:23,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-20 02:13:23,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-20 02:13:23,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf [2021-02-20 02:13:23,437 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-20 02:13:23,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-20 02:13:23,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-20 02:13:23,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-20 02:13:23,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-20 02:13:23,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-20 02:13:23,441 INFO L138 SettingsManager]: * Use SBE=true [2021-02-20 02:13:23,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-20 02:13:23,442 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-20 02:13:23,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-20 02:13:23,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-20 02:13:23,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-20 02:13:23,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-20 02:13:23,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-20 02:13:23,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-20 02:13:23,443 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-20 02:13:23,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-20 02:13:23,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-20 02:13:23,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-20 02:13:23,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-20 02:13:23,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-20 02:13:23,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-20 02:13:23,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-20 02:13:23,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-20 02:13:23,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-20 02:13:23,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-20 02:13:23,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-20 02:13:23,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-20 02:13:23,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-20 02:13:23,446 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-20 02:13:23,446 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-20 02:13:23,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-20 02:13:23,446 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-20 02:13:23,447 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-20 02:13:23,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-20 02:13:23,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-20 02:13:23,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-20 02:13:23,799 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-20 02:13:23,801 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-20 02:13:23,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/producer-consumer-equiv-NAo.wvr.bpl [2021-02-20 02:13:23,802 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/producer-consumer-equiv-NAo.wvr.bpl' [2021-02-20 02:13:23,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-20 02:13:23,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-20 02:13:23,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-20 02:13:23,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-20 02:13:23,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-20 02:13:23,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (1/1) ... [2021-02-20 02:13:23,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (1/1) ... [2021-02-20 02:13:23,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-20 02:13:23,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-20 02:13:23,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-20 02:13:23,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-20 02:13:23,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (1/1) ... [2021-02-20 02:13:23,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (1/1) ... [2021-02-20 02:13:23,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (1/1) ... [2021-02-20 02:13:23,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (1/1) ... [2021-02-20 02:13:23,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (1/1) ... [2021-02-20 02:13:23,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (1/1) ... [2021-02-20 02:13:23,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (1/1) ... [2021-02-20 02:13:23,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-20 02:13:23,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-20 02:13:23,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-20 02:13:23,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-20 02:13:23,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (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 [2021-02-20 02:13:23,978 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-20 02:13:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-20 02:13:23,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-20 02:13:23,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-20 02:13:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-20 02:13:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-20 02:13:23,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-20 02:13:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-20 02:13:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-20 02:13:23,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-20 02:13:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-20 02:13:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-20 02:13:23,980 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-20 02:13:24,277 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-20 02:13:24,278 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-20 02:13:24,279 INFO L202 PluginConnector]: Adding new model producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:13:24 BoogieIcfgContainer [2021-02-20 02:13:24,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-20 02:13:24,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-20 02:13:24,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-20 02:13:24,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-20 02:13:24,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 02:13:23" (1/2) ... [2021-02-20 02:13:24,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbb428f and model type producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:13:24, skipping insertion in model container [2021-02-20 02:13:24,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:13:24" (2/2) ... [2021-02-20 02:13:24,286 INFO L111 eAbstractionObserver]: Analyzing ICFG producer-consumer-equiv-NAo.wvr.bpl [2021-02-20 02:13:24,307 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-20 02:13:24,307 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-20 02:13:24,311 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-20 02:13:24,311 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-20 02:13:24,342 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-20 02:13:24,356 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 [2021-02-20 02:13:24,421 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-20 02:13:24,421 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-20 02:13:24,421 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-20 02:13:24,421 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-20 02:13:24,421 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-20 02:13:24,421 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-20 02:13:24,421 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-20 02:13:24,421 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-20 02:13:24,608 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:24,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:24,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1999498671, now seen corresponding path program 1 times [2021-02-20 02:13:24,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:24,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180875311] [2021-02-20 02:13:24,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-20 02:13:24,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180875311] [2021-02-20 02:13:24,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-20 02:13:24,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-20 02:13:24,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140313391] [2021-02-20 02:13:24,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-20 02:13:24,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:24,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-20 02:13:24,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-20 02:13:24,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:24,786 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:24,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-02-20 02:13:24,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:24,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:24,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-20 02:13:24,869 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:24,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:24,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1584754194, now seen corresponding path program 1 times [2021-02-20 02:13:24,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:24,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980636766] [2021-02-20 02:13:24,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:24,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980636766] [2021-02-20 02:13:24,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-20 02:13:24,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-20 02:13:24,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74291059] [2021-02-20 02:13:24,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-20 02:13:24,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:24,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-20 02:13:24,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-20 02:13:24,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:24,940 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:24,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 02:13:24,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:24,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:24,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:24,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:24,982 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-20 02:13:24,982 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:24,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:24,983 INFO L82 PathProgramCache]: Analyzing trace with hash 806601360, now seen corresponding path program 2 times [2021-02-20 02:13:24,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:24,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542228262] [2021-02-20 02:13:24,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 02:13:25,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542228262] [2021-02-20 02:13:25,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-20 02:13:25,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-20 02:13:25,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425205405] [2021-02-20 02:13:25,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-20 02:13:25,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:25,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-20 02:13:25,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-20 02:13:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:25,025 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:25,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 02:13:25,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:25,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:25,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-20 02:13:25,046 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:25,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:25,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1182753811, now seen corresponding path program 1 times [2021-02-20 02:13:25,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:25,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634406810] [2021-02-20 02:13:25,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:25,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634406810] [2021-02-20 02:13:25,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258136620] [2021-02-20 02:13:25,168 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 [2021-02-20 02:13:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:25,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-02-20 02:13:25,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:25,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-02-20 02:13:25,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:25,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:25,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:25,311 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-02-20 02:13:25,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-02-20 02:13:25,335 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:25,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:25,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-02-20 02:13:25,344 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:25,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:25,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:25,346 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-02-20 02:13:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:25,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:25,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-02-20 02:13:25,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256093775] [2021-02-20 02:13:25,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-20 02:13:25,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:25,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-20 02:13:25,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-02-20 02:13:25,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:25,366 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:25,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 02:13:25,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:25,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:25,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:25,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:25,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:25,653 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:25,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:25,654 INFO L82 PathProgramCache]: Analyzing trace with hash 571951887, now seen corresponding path program 2 times [2021-02-20 02:13:25,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:25,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880834933] [2021-02-20 02:13:25,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-20 02:13:25,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880834933] [2021-02-20 02:13:25,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915379544] [2021-02-20 02:13:25,714 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 [2021-02-20 02:13:25,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 02:13:25,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:25,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-02-20 02:13:25,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-20 02:13:25,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:25,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 5 [2021-02-20 02:13:25,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228535227] [2021-02-20 02:13:25,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-20 02:13:25,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:25,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-20 02:13:25,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-02-20 02:13:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:25,834 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:25,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-02-20 02:13:25,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:25,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:25,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:26,074 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:26,075 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:26,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:26,075 INFO L82 PathProgramCache]: Analyzing trace with hash -119312340, now seen corresponding path program 3 times [2021-02-20 02:13:26,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:26,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168109502] [2021-02-20 02:13:26,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:26,157 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-20 02:13:26,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168109502] [2021-02-20 02:13:26,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160086794] [2021-02-20 02:13:26,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:26,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-02-20 02:13:26,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:26,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-02-20 02:13:26,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:26,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-02-20 02:13:26,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:26,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:26,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:26,257 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:4 [2021-02-20 02:13:26,289 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-20 02:13:26,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:26,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-02-20 02:13:26,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747389639] [2021-02-20 02:13:26,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-20 02:13:26,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:26,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-20 02:13:26,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-20 02:13:26,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:26,291 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:26,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 02:13:26,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:26,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:26,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:26,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:26,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:26,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:26,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:26,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:26,729 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:26,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:26,730 INFO L82 PathProgramCache]: Analyzing trace with hash 289938313, now seen corresponding path program 4 times [2021-02-20 02:13:26,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:26,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458714848] [2021-02-20 02:13:26,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:26,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458714848] [2021-02-20 02:13:26,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059331626] [2021-02-20 02:13:26,980 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:27,017 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 02:13:27,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:27,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2021-02-20 02:13:27,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:27,169 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-02-20 02:13:27,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 24 [2021-02-20 02:13:27,171 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:27,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:27,173 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:27,173 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:17 [2021-02-20 02:13:27,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-02-20 02:13:27,220 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:27,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:27,226 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:27,226 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2021-02-20 02:13:27,288 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:27,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2021-02-20 02:13:27,306 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:27,314 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:27,323 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:27,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-02-20 02:13:27,328 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:27,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:27,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:27,336 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:31, output treesize:3 [2021-02-20 02:13:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:27,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:27,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 14 [2021-02-20 02:13:27,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533086399] [2021-02-20 02:13:27,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-20 02:13:27,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:27,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-20 02:13:27,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-02-20 02:13:27,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:27,355 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:27,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 02:13:27,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:27,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:27,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:27,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:27,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:27,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:27,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:27,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-02-20 02:13:27,742 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:27,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:27,743 INFO L82 PathProgramCache]: Analyzing trace with hash -786811413, now seen corresponding path program 5 times [2021-02-20 02:13:27,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:27,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056019425] [2021-02-20 02:13:27,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:27,803 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-20 02:13:27,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056019425] [2021-02-20 02:13:27,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856475313] [2021-02-20 02:13:27,803 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:27,846 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-02-20 02:13:27,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:27,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2021-02-20 02:13:27,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:27,905 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-20 02:13:27,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:27,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 7 [2021-02-20 02:13:27,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316589103] [2021-02-20 02:13:27,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-20 02:13:27,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:27,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-20 02:13:27,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-02-20 02:13:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:27,906 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:27,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 02:13:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:27,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:28,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:28,162 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:28,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:28,162 INFO L82 PathProgramCache]: Analyzing trace with hash -2069603640, now seen corresponding path program 6 times [2021-02-20 02:13:28,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:28,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882679985] [2021-02-20 02:13:28,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-20 02:13:28,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882679985] [2021-02-20 02:13:28,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224637384] [2021-02-20 02:13:28,267 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:28,329 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-02-20 02:13:28,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:28,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-02-20 02:13:28,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:28,476 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:28,476 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 19 [2021-02-20 02:13:28,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:28,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:28,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:28,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2021-02-20 02:13:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-02-20 02:13:28,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:28,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-02-20 02:13:28,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872057866] [2021-02-20 02:13:28,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-20 02:13:28,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:28,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-20 02:13:28,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-02-20 02:13:28,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:28,503 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:28,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 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) [2021-02-20 02:13:28,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:28,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:28,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:28,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:28,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:28,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:28,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:28,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:28,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:29,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:29,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:29,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:29,293 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:29,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:29,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1491445723, now seen corresponding path program 7 times [2021-02-20 02:13:29,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:29,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527645961] [2021-02-20 02:13:29,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:29,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527645961] [2021-02-20 02:13:29,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524891834] [2021-02-20 02:13:29,631 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:29,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 41 conjunts are in the unsatisfiable core [2021-02-20 02:13:29,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:29,830 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-02-20 02:13:29,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 37 [2021-02-20 02:13:29,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:29,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:29,835 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:29,835 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:27 [2021-02-20 02:13:30,002 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:30,003 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 51 [2021-02-20 02:13:30,015 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:30,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:30,034 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:30,034 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:45 [2021-02-20 02:13:30,254 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:30,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2021-02-20 02:13:30,315 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:30,323 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:30,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-02-20 02:13:30,333 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:30,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:30,375 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:30,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 45 [2021-02-20 02:13:30,391 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:30,424 INFO L354 Elim1Store]: treesize reduction 4, result has 89.2 percent of original size [2021-02-20 02:13:30,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 45 [2021-02-20 02:13:30,437 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:30,460 INFO L628 ElimStorePlain]: treesize reduction 13, result has 64.9 percent of original size [2021-02-20 02:13:30,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:30,463 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:91, output treesize:3 [2021-02-20 02:13:30,481 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:30,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:30,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2021-02-20 02:13:30,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55166925] [2021-02-20 02:13:30,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-20 02:13:30,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:30,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-20 02:13:30,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-02-20 02:13:30,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:30,483 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:30,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 02:13:30,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:30,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:30,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:30,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:30,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:30,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:30,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:30,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:30,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:30,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:30,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:30,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:31,070 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-02-20 02:13:31,070 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:31,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:31,071 INFO L82 PathProgramCache]: Analyzing trace with hash -323912249, now seen corresponding path program 8 times [2021-02-20 02:13:31,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:31,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778691987] [2021-02-20 02:13:31,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-02-20 02:13:31,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778691987] [2021-02-20 02:13:31,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629740090] [2021-02-20 02:13:31,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:31,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 02:13:31,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:31,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2021-02-20 02:13:31,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-02-20 02:13:31,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:31,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 9 [2021-02-20 02:13:31,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193015511] [2021-02-20 02:13:31,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-20 02:13:31,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:31,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-20 02:13:31,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-02-20 02:13:31,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:31,282 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:31,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 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) [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:31,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:31,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:31,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:31,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-02-20 02:13:31,538 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:31,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:31,539 INFO L82 PathProgramCache]: Analyzing trace with hash -296947100, now seen corresponding path program 9 times [2021-02-20 02:13:31,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:31,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502118157] [2021-02-20 02:13:31,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-02-20 02:13:31,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502118157] [2021-02-20 02:13:31,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13037593] [2021-02-20 02:13:31,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:31,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-02-20 02:13:31,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:31,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-02-20 02:13:31,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:31,919 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:31,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 38 [2021-02-20 02:13:31,929 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:31,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:31,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:31,933 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:4 [2021-02-20 02:13:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-02-20 02:13:31,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:31,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 16 [2021-02-20 02:13:31,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324937738] [2021-02-20 02:13:31,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-20 02:13:31,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:31,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-20 02:13:31,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-02-20 02:13:31,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:31,952 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:31,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 16 states have internal predecessors, (60), 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) [2021-02-20 02:13:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:31,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:31,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:31,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:31,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:32,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-02-20 02:13:32,742 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:32,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:32,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1429586369, now seen corresponding path program 10 times [2021-02-20 02:13:32,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:32,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513950182] [2021-02-20 02:13:32,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:33,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513950182] [2021-02-20 02:13:33,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799716393] [2021-02-20 02:13:33,248 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:33,282 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 02:13:33,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:33,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 55 conjunts are in the unsatisfiable core [2021-02-20 02:13:33,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:33,537 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-02-20 02:13:33,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 52 [2021-02-20 02:13:33,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:33,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:33,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:33,541 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:39 [2021-02-20 02:13:33,958 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:33,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 82 [2021-02-20 02:13:34,037 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:34,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:34,156 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:34,156 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:76, output treesize:73 [2021-02-20 02:13:34,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:34,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-02-20 02:13:34,976 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:34,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-02-20 02:13:34,983 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:34,994 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:34,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-02-20 02:13:35,003 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:35,019 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:35,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2021-02-20 02:13:35,031 INFO L550 ElimStorePlain]: Start of recursive call 5: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:35,051 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:35,052 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 55 treesize of output 63 [2021-02-20 02:13:35,149 INFO L550 ElimStorePlain]: Start of recursive call 6: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:35,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:35,242 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:35,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 76 [2021-02-20 02:13:35,281 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:35,303 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-02-20 02:13:35,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 16 [2021-02-20 02:13:35,305 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:35,315 INFO L354 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2021-02-20 02:13:35,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 16 [2021-02-20 02:13:35,318 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:35,379 INFO L354 Elim1Store]: treesize reduction 12, result has 80.3 percent of original size [2021-02-20 02:13:35,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 64 [2021-02-20 02:13:35,405 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:35,465 INFO L354 Elim1Store]: treesize reduction 4, result has 94.2 percent of original size [2021-02-20 02:13:35,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 80 [2021-02-20 02:13:35,517 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:35,549 INFO L628 ElimStorePlain]: treesize reduction 77, result has 23.8 percent of original size [2021-02-20 02:13:35,552 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:35,552 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:308, output treesize:3 [2021-02-20 02:13:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:35,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:35,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 30 [2021-02-20 02:13:35,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887916904] [2021-02-20 02:13:35,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-20 02:13:35,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:35,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-20 02:13:35,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-02-20 02:13:35,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:35,589 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:35,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.4838709677419355) internal successors, (77), 30 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 02:13:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:36,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:36,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:36,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:36,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-02-20 02:13:36,729 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:36,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:36,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1271894691, now seen corresponding path program 11 times [2021-02-20 02:13:36,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:36,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644444039] [2021-02-20 02:13:36,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-02-20 02:13:36,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644444039] [2021-02-20 02:13:36,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407664716] [2021-02-20 02:13:36,827 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:36,865 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-02-20 02:13:36,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:36,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2021-02-20 02:13:36,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-02-20 02:13:36,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:36,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 11 [2021-02-20 02:13:36,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098814917] [2021-02-20 02:13:36,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-20 02:13:36,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:36,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-20 02:13:36,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2021-02-20 02:13:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:36,959 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:36,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 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) [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:36,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:36,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:36,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:37,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable202 [2021-02-20 02:13:37,238 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:37,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:37,239 INFO L82 PathProgramCache]: Analyzing trace with hash 954967808, now seen corresponding path program 12 times [2021-02-20 02:13:37,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:37,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441430437] [2021-02-20 02:13:37,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-02-20 02:13:37,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441430437] [2021-02-20 02:13:37,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484794423] [2021-02-20 02:13:37,369 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:37,407 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-02-20 02:13:37,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:37,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 22 conjunts are in the unsatisfiable core [2021-02-20 02:13:37,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:37,662 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:37,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 24 treesize of output 65 [2021-02-20 02:13:37,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:37,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:37,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:37,694 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:4 [2021-02-20 02:13:37,710 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-02-20 02:13:37,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:37,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 19 [2021-02-20 02:13:37,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074638814] [2021-02-20 02:13:37,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-20 02:13:37,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:37,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-20 02:13:37,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-02-20 02:13:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:37,713 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:37,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.6) internal successors, (72), 19 states have internal predecessors, (72), 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) [2021-02-20 02:13:37,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:37,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:37,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:37,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:38,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:13:38,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable203 [2021-02-20 02:13:38,710 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:38,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:38,710 INFO L82 PathProgramCache]: Analyzing trace with hash 300992605, now seen corresponding path program 13 times [2021-02-20 02:13:38,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:38,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325302458] [2021-02-20 02:13:38,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:39,388 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:39,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325302458] [2021-02-20 02:13:39,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225488924] [2021-02-20 02:13:39,389 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:39,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 69 conjunts are in the unsatisfiable core [2021-02-20 02:13:39,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:39,846 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-02-20 02:13:39,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 105 treesize of output 69 [2021-02-20 02:13:39,849 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:39,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:39,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:39,853 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:53 [2021-02-20 02:13:40,709 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:40,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 121 [2021-02-20 02:13:41,131 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:41,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:41,895 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:41,895 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:104, output treesize:109 [2021-02-20 02:13:43,381 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-02-20 02:13:44,596 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-02-20 02:13:45,985 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-02-20 02:13:46,008 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:46,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-20 02:13:46,017 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:46,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-02-20 02:13:46,026 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:46,057 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:46,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-20 02:13:46,068 INFO L550 ElimStorePlain]: Start of recursive call 4: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:46,103 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:46,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 79 [2021-02-20 02:13:46,317 INFO L550 ElimStorePlain]: Start of recursive call 5: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:46,332 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:46,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-20 02:13:46,339 INFO L550 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:46,358 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:46,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-20 02:13:46,368 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:46,387 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:46,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-20 02:13:46,396 INFO L550 ElimStorePlain]: Start of recursive call 8: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:46,418 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:46,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2021-02-20 02:13:46,426 INFO L550 ElimStorePlain]: Start of recursive call 9: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:46,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2021-02-20 02:13:46,437 INFO L550 ElimStorePlain]: Start of recursive call 10: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:46,582 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-02-20 02:13:46,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:46,638 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:46,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 127 [2021-02-20 02:13:46,779 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:46,848 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:46,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 115 [2021-02-20 02:13:46,924 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:46,943 INFO L354 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2021-02-20 02:13:46,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-02-20 02:13:46,946 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:47,055 INFO L354 Elim1Store]: treesize reduction 4, result has 96.7 percent of original size [2021-02-20 02:13:47,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 135 [2021-02-20 02:13:48,301 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:48,319 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-02-20 02:13:48,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-02-20 02:13:48,322 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:48,336 INFO L354 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2021-02-20 02:13:48,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-02-20 02:13:48,339 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:48,354 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-02-20 02:13:48,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-02-20 02:13:48,356 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:48,460 INFO L354 Elim1Store]: treesize reduction 8, result has 92.9 percent of original size [2021-02-20 02:13:48,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 123 [2021-02-20 02:13:48,538 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:48,551 INFO L354 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2021-02-20 02:13:48,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 19 [2021-02-20 02:13:48,553 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:48,617 INFO L628 ElimStorePlain]: treesize reduction 175, result has 24.9 percent of original size [2021-02-20 02:13:48,620 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:48,620 INFO L247 ElimStorePlain]: Needed 19 recursive calls to eliminate 8 variables, input treesize:720, output treesize:3 [2021-02-20 02:13:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:48,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:48,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 38 [2021-02-20 02:13:48,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251457605] [2021-02-20 02:13:48,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-02-20 02:13:48,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:48,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-02-20 02:13:48,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-02-20 02:13:48,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:48,662 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:48,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 38 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 02:13:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:13:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:50,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:13:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:13:50,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:50,358 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:50,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:50,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1937695871, now seen corresponding path program 14 times [2021-02-20 02:13:50,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:50,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867831842] [2021-02-20 02:13:50,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-02-20 02:13:50,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867831842] [2021-02-20 02:13:50,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641939523] [2021-02-20 02:13:50,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:50,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 02:13:50,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:50,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjunts are in the unsatisfiable core [2021-02-20 02:13:50,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:50,615 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-02-20 02:13:50,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:50,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 13 [2021-02-20 02:13:50,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833599942] [2021-02-20 02:13:50,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-20 02:13:50,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:50,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-20 02:13:50,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2021-02-20 02:13:50,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:50,619 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:50,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 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) [2021-02-20 02:13:50,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:50,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:50,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:50,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:50,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:13:50,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:50,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:13:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:13:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 02:13:50,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1640 [2021-02-20 02:13:50,908 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:50,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:50,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1566119780, now seen corresponding path program 15 times [2021-02-20 02:13:50,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:50,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708647891] [2021-02-20 02:13:50,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-02-20 02:13:51,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708647891] [2021-02-20 02:13:51,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551252493] [2021-02-20 02:13:51,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:51,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-02-20 02:13:51,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:51,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 26 conjunts are in the unsatisfiable core [2021-02-20 02:13:51,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:51,754 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:51,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 28 treesize of output 100 [2021-02-20 02:13:51,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:51,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:51,799 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:51,799 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:4 [2021-02-20 02:13:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-02-20 02:13:51,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:13:51,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 22 [2021-02-20 02:13:51,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119912186] [2021-02-20 02:13:51,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-20 02:13:51,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:13:51,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-20 02:13:51,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2021-02-20 02:13:51,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:51,822 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:13:51,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.652173913043478) internal successors, (84), 22 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:13:51,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 02:13:51,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:13:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:13:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:13:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:13:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:13:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:13:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:13:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 02:13:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 02:13:53,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1641,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:53,349 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:13:53,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:13:53,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1028006919, now seen corresponding path program 16 times [2021-02-20 02:13:53,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:13:53,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072363002] [2021-02-20 02:13:53,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:13:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:13:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:13:54,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072363002] [2021-02-20 02:13:54,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415213285] [2021-02-20 02:13:54,193 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:13:54,229 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 02:13:54,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:13:54,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 83 conjunts are in the unsatisfiable core [2021-02-20 02:13:54,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:13:54,621 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-02-20 02:13:54,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 132 treesize of output 88 [2021-02-20 02:13:54,622 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:13:54,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:54,624 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:13:54,624 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:132, output treesize:69 [2021-02-20 02:13:55,622 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:55,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 136 treesize of output 168 [2021-02-20 02:13:57,488 INFO L550 ElimStorePlain]: Start of recursive call 2: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:57,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:13:59,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-20 02:13:59,707 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:136, output treesize:153 [2021-02-20 02:14:04,039 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-02-20 02:14:08,070 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-02-20 02:14:12,085 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-02-20 02:14:12,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-02-20 02:14:12,145 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,157 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-20 02:14:12,163 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,177 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-20 02:14:12,185 INFO L550 ElimStorePlain]: Start of recursive call 4: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-02-20 02:14:12,197 INFO L550 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,219 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-20 02:14:12,226 INFO L550 ElimStorePlain]: Start of recursive call 6: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-02-20 02:14:12,241 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,263 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-20 02:14:12,271 INFO L550 ElimStorePlain]: Start of recursive call 8: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,296 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-20 02:14:12,305 INFO L550 ElimStorePlain]: Start of recursive call 9: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,327 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-20 02:14:12,335 INFO L550 ElimStorePlain]: Start of recursive call 10: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-02-20 02:14:12,361 INFO L550 ElimStorePlain]: Start of recursive call 11: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,389 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-20 02:14:12,397 INFO L550 ElimStorePlain]: Start of recursive call 12: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,443 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,444 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 95 [2021-02-20 02:14:12,844 INFO L550 ElimStorePlain]: Start of recursive call 13: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,885 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-20 02:14:12,895 INFO L550 ElimStorePlain]: Start of recursive call 14: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,937 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-20 02:14:12,947 INFO L550 ElimStorePlain]: Start of recursive call 15: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:12,970 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:12,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2021-02-20 02:14:12,978 INFO L550 ElimStorePlain]: Start of recursive call 16: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:13,221 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-02-20 02:14:13,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:13,319 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:13,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 162 [2021-02-20 02:14:13,535 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:13,561 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-02-20 02:14:13,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:13,564 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:13,590 INFO L354 Elim1Store]: treesize reduction 156, result has 0.6 percent of original size [2021-02-20 02:14:13,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:13,593 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:13,622 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-02-20 02:14:13,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:13,625 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:13,650 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-02-20 02:14:13,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:13,652 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:13,822 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-02-20 02:14:13,822 INFO L354 Elim1Store]: treesize reduction 4, result has 97.8 percent of original size [2021-02-20 02:14:13,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 198 [2021-02-20 02:14:16,718 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 608 [2021-02-20 02:14:18,247 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 1399 DAG size of output: 1405 [2021-02-20 02:14:18,579 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 1399 DAG size of output: 1405 [2021-02-20 02:14:18,907 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 1407 DAG size of output: 1413 [2021-02-20 02:14:19,149 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 1421 DAG size of output: 1359 [2021-02-20 02:14:21,763 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 965 DAG size of output: 512 [2021-02-20 02:14:22,838 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 915 DAG size of output: 828 [2021-02-20 02:14:24,624 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 2287 DAG size of output: 1484 [2021-02-20 02:14:29,132 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1497 DAG size of output: 890 [2021-02-20 02:14:31,957 WARN L202 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 4002 DAG size of output: 2564 [2021-02-20 02:14:32,637 WARN L202 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 4002 DAG size of output: 2564 [2021-02-20 02:14:34,587 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 4011 DAG size of output: 4628 [2021-02-20 02:14:34,777 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1730 [2021-02-20 02:14:38,582 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,602 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-02-20 02:14:38,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:38,604 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,638 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-02-20 02:14:38,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:38,641 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,662 INFO L354 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2021-02-20 02:14:38,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:38,665 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,685 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-02-20 02:14:38,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:38,687 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,702 INFO L354 Elim1Store]: treesize reduction 140, result has 0.7 percent of original size [2021-02-20 02:14:38,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:38,705 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,731 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-02-20 02:14:38,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:38,734 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,753 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-02-20 02:14:38,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:38,756 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,775 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-02-20 02:14:38,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:38,778 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,795 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-02-20 02:14:38,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 22 [2021-02-20 02:14:38,797 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,884 INFO L628 ElimStorePlain]: treesize reduction 430, result has 12.8 percent of original size [2021-02-20 02:14:38,886 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:14:38,886 INFO L247 ElimStorePlain]: Needed 31 recursive calls to eliminate 9 variables, input treesize:1498, output treesize:3 [2021-02-20 02:14:38,943 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:14:38,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:14:38,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 46 [2021-02-20 02:14:38,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098965350] [2021-02-20 02:14:38,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-20 02:14:38,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:14:38,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-20 02:14:38,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2032, Unknown=0, NotChecked=0, Total=2162 [2021-02-20 02:14:38,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:14:38,945 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:14:38,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.3191489361702127) internal successors, (109), 46 states have internal predecessors, (109), 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) [2021-02-20 02:14:38,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:38,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:14:38,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 02:14:38,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:14:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:14:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:14:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:14:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:14:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:14:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 02:14:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 02:14:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-02-20 02:14:40,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1667 [2021-02-20 02:14:40,228 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:14:40,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:14:40,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1444813989, now seen corresponding path program 17 times [2021-02-20 02:14:40,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:14:40,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594440195] [2021-02-20 02:14:40,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:14:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:14:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-02-20 02:14:40,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594440195] [2021-02-20 02:14:40,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440499685] [2021-02-20 02:14:40,347 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:14:40,404 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-02-20 02:14:40,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:14:40,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2021-02-20 02:14:40,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:14:40,505 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-02-20 02:14:40,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:14:40,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 15 [2021-02-20 02:14:40,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838504198] [2021-02-20 02:14:40,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-20 02:14:40,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:14:40,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-20 02:14:40,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2021-02-20 02:14:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:14:40,507 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:14:40,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.625) internal successors, (74), 15 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) [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:14:40,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:40,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:14:40,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:14:40,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 02:14:40,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 02:14:40,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-02-20 02:14:40,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:14:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:14:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:14:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:14:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:14:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 02:14:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 02:14:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-02-20 02:14:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-20 02:14:40,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15877 [2021-02-20 02:14:40,806 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:14:40,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:14:40,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2008885048, now seen corresponding path program 18 times [2021-02-20 02:14:40,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:14:40,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097386473] [2021-02-20 02:14:40,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:14:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:14:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-02-20 02:14:41,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097386473] [2021-02-20 02:14:41,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455233772] [2021-02-20 02:14:41,034 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:14:41,091 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-02-20 02:14:41,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 02:14:41,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 30 conjunts are in the unsatisfiable core [2021-02-20 02:14:41,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:14:41,552 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:41,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 32 treesize of output 143 [2021-02-20 02:14:41,738 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:41,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:41,740 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:14:41,740 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:4 [2021-02-20 02:14:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-02-20 02:14:41,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 02:14:41,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 25 [2021-02-20 02:14:41,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189671550] [2021-02-20 02:14:41,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-20 02:14:41,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 02:14:41,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-20 02:14:41,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2021-02-20 02:14:41,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:14:41,768 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 02:14:41,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 25 states have internal predecessors, (96), 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) [2021-02-20 02:14:41,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:41,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:14:41,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:41,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:14:41,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:14:41,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-20 02:14:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 02:14:42,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-02-20 02:14:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-20 02:14:42,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-20 02:14:42,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15878 [2021-02-20 02:14:42,994 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 02:14:42,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 02:14:42,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1894290283, now seen corresponding path program 19 times [2021-02-20 02:14:42,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 02:14:42,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965405603] [2021-02-20 02:14:42,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 02:14:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:14:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 02:14:44,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965405603] [2021-02-20 02:14:44,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786575162] [2021-02-20 02:14:44,171 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 02:14:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 02:14:44,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 97 conjunts are in the unsatisfiable core [2021-02-20 02:14:44,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 02:14:44,797 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-02-20 02:14:44,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 161 treesize of output 109 [2021-02-20 02:14:44,799 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-20 02:14:44,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:44,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-20 02:14:44,801 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:87 [2021-02-20 02:14:46,595 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:14:46,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 223 [2021-02-20 02:14:52,381 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:14:52,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:15:02,409 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-02-20 02:15:02,409 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:172, output treesize:205 [2021-02-20 02:15:22,641 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-02-20 02:15:42,644 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-02-20 02:16:07,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-02-20 02:16:07,462 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:07,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:07,471 INFO L550 ElimStorePlain]: Start of recursive call 2: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,501 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:07,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:07,511 INFO L550 ElimStorePlain]: Start of recursive call 3: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,540 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:07,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:07,549 INFO L550 ElimStorePlain]: Start of recursive call 4: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,573 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:07,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:07,582 INFO L550 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,616 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:07,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:07,625 INFO L550 ElimStorePlain]: Start of recursive call 6: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,654 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:07,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:07,663 INFO L550 ElimStorePlain]: Start of recursive call 7: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-20 02:16:07,685 INFO L550 ElimStorePlain]: Start of recursive call 8: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,725 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:07,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:07,734 INFO L550 ElimStorePlain]: Start of recursive call 9: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,766 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:07,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:07,772 INFO L550 ElimStorePlain]: Start of recursive call 10: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-20 02:16:07,795 INFO L550 ElimStorePlain]: Start of recursive call 11: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,837 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:07,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:07,845 INFO L550 ElimStorePlain]: Start of recursive call 12: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:07,948 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:07,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 111 [2021-02-20 02:16:08,919 INFO L550 ElimStorePlain]: Start of recursive call 13: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:08,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-20 02:16:08,941 INFO L550 ElimStorePlain]: Start of recursive call 14: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:08,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-20 02:16:08,961 INFO L550 ElimStorePlain]: Start of recursive call 15: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:08,997 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:08,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:09,006 INFO L550 ElimStorePlain]: Start of recursive call 16: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:09,035 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 91 treesize of output 63 [2021-02-20 02:16:09,037 INFO L550 ElimStorePlain]: Start of recursive call 17: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:09,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:09,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:09,091 INFO L550 ElimStorePlain]: Start of recursive call 18: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:09,142 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:09,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:09,150 INFO L550 ElimStorePlain]: Start of recursive call 19: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:09,200 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:09,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:09,210 INFO L550 ElimStorePlain]: Start of recursive call 20: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:09,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 63 [2021-02-20 02:16:09,243 INFO L550 ElimStorePlain]: Start of recursive call 21: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:09,296 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:09,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:09,305 INFO L550 ElimStorePlain]: Start of recursive call 22: 6 dim-0 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:09,348 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:09,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 71 [2021-02-20 02:16:09,356 INFO L550 ElimStorePlain]: Start of recursive call 23: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-20 02:16:09,940 WARN L202 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2021-02-20 02:16:09,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:10,161 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-02-20 02:16:10,162 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:10,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 253 [2021-02-20 02:16:13,388 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1350 DAG size of output: 1110 [2021-02-20 02:16:14,815 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 766 [2021-02-20 02:16:17,658 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 746 [2021-02-20 02:16:18,182 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 2612 DAG size of output: 2049 [2021-02-20 02:16:21,186 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 609 [2021-02-20 02:16:21,442 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 1626 DAG size of output: 1287 [2021-02-20 02:16:21,958 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1773 DAG size of output: 1410 [2021-02-20 02:16:22,824 WARN L202 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 4059 DAG size of output: 3107 [2021-02-20 02:16:23,709 WARN L202 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 4059 DAG size of output: 3107 [2021-02-20 02:16:24,696 WARN L202 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 4063 DAG size of output: 3111 [2021-02-20 02:16:26,369 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 3115 DAG size of output: 4919 [2021-02-20 02:16:32,673 WARN L202 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 1725 DAG size of output: 1244 [2021-02-20 02:16:33,663 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1298 DAG size of output: 845 [2021-02-20 02:16:34,057 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 2168 DAG size of output: 2147 [2021-02-20 02:16:34,504 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 2150 DAG size of output: 2150 [2021-02-20 02:16:34,762 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 773 DAG size of output: 1228 [2021-02-20 02:16:37,048 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 947 [2021-02-20 02:16:37,174 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 912 [2021-02-20 02:16:37,494 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 1392 [2021-02-20 02:16:39,048 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 840 [2021-02-20 02:16:40,825 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 599 [2021-02-20 02:16:41,858 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1394 DAG size of output: 969 [2021-02-20 02:16:42,204 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1134 [2021-02-20 02:16:47,551 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 2384 [2021-02-20 02:16:47,963 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 2384 [2021-02-20 02:16:48,404 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 3515 DAG size of output: 2155 [2021-02-20 02:16:51,418 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 3410 DAG size of output: 1682 [2021-02-20 02:16:51,756 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 3410 DAG size of output: 1682 [2021-02-20 02:16:52,146 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 3426 DAG size of output: 1697 [2021-02-20 02:16:53,881 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-02-20 02:16:54,030 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-20 02:16:54,030 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:54,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 237 [2021-02-20 02:16:56,565 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-02-20 02:16:56,601 INFO L354 Elim1Store]: treesize reduction 248, result has 0.4 percent of original size [2021-02-20 02:16:56,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 25 [2021-02-20 02:16:56,604 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-02-20 02:16:56,752 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-20 02:16:56,753 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 02:16:56,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 253 [2021-02-20 02:16:59,145 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1349 [2021-02-20 02:17:00,193 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 802 [2021-02-20 02:17:00,311 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 802 [2021-02-20 02:17:00,427 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1335 DAG size of output: 806 [2021-02-20 02:17:01,791 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-02-20 02:17:02,082 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-02-20 02:17:02,083 INFO L354 Elim1Store]: treesize reduction 4, result has 98.4 percent of original size [2021-02-20 02:17:02,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 269 [2021-02-20 02:17:03,020 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 415 [2021-02-20 02:17:03,185 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 415 [2021-02-20 02:17:03,398 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 432 [2021-02-20 02:17:03,799 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 735 [2021-02-20 02:17:04,062 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 648 [2021-02-20 02:17:04,242 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 619 [2021-02-20 02:17:04,372 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2021-02-20 02:17:07,872 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 961 [2021-02-20 02:17:08,142 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1072 [2021-02-20 02:17:10,674 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 698 [2021-02-20 02:17:11,228 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1527 [2021-02-20 02:17:13,293 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 424 [2021-02-20 02:17:15,925 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 916 DAG size of output: 800 [2021-02-20 02:17:17,029 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 886 [2021-02-20 02:17:17,974 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 2821 DAG size of output: 2177 [2021-02-20 02:17:18,137 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 608 [2021-02-20 02:17:22,105 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 549 [2021-02-20 02:17:22,258 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 604 [2021-02-20 02:17:22,494 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 925 [2021-02-20 02:17:22,825 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 1454 DAG size of output: 1243 [2021-02-20 02:17:24,146 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 682 [2021-02-20 02:17:25,436 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 690 [2021-02-20 02:17:25,688 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 949 [2021-02-20 02:17:26,380 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 2035 [2021-02-20 02:17:28,405 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 535 [2021-02-20 02:17:28,988 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 645 [2021-02-20 02:17:29,618 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1101 DAG size of output: 945 [2021-02-20 02:17:34,910 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 528 [2021-02-20 02:17:35,221 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 837 [2021-02-20 02:17:36,321 WARN L202 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 1952 DAG size of output: 1638 [2021-02-20 02:17:37,693 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 3634 DAG size of output: 3363 [2021-02-20 02:17:40,207 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 6424 DAG size of output: 5540 [2021-02-20 02:17:40,650 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 718 [2021-02-20 02:17:40,894 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 668 [2021-02-20 02:17:41,246 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 731 [2021-02-20 02:17:41,465 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 603 [2021-02-20 02:17:41,573 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2021-02-20 02:17:42,750 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 388 [2021-02-20 02:17:44,063 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 447 [2021-02-20 02:17:45,219 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 447 [2021-02-20 02:17:46,435 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 396 [2021-02-20 02:17:46,903 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 717 DAG size of output: 677 [2021-02-20 02:17:48,092 WARN L202 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 1145 DAG size of output: 895 [2021-02-20 02:17:48,750 WARN L202 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1074 [2021-02-20 02:17:48,919 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 571 [2021-02-20 02:17:51,360 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 446 [2021-02-20 02:17:53,391 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 583 [2021-02-20 02:17:53,725 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 822 [2021-02-20 02:17:54,083 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 1284 DAG size of output: 1002 [2021-02-20 02:17:55,214 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 2593 DAG size of output: 2030 [2021-02-20 02:17:55,333 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 411 [2021-02-20 02:17:58,696 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 437 [2021-02-20 02:17:59,781 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 651 [2021-02-20 02:18:00,939 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 501 [2021-02-20 02:18:01,363 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 1273 DAG size of output: 940 [2021-02-20 02:18:03,818 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 531 [2021-02-20 02:18:05,162 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1067 DAG size of output: 758 [2021-02-20 02:18:07,280 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 606 [2021-02-20 02:18:07,685 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 1352 DAG size of output: 1081 [2021-02-20 02:18:08,637 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 2345 DAG size of output: 1887 [2021-02-20 02:18:10,834 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 4596 DAG size of output: 3581 [2021-02-20 02:18:11,123 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 677 [2021-02-20 02:18:11,253 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2021-02-20 02:18:12,893 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 505 [2021-02-20 02:18:14,704 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 552 [2021-02-20 02:18:15,076 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 837 [2021-02-20 02:18:16,805 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 671 [2021-02-20 02:18:18,291 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 586 [2021-02-20 02:18:18,556 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 910 [2021-02-20 02:18:19,210 WARN L202 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 1538 DAG size of output: 1397 [2021-02-20 02:18:19,379 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2021-02-20 02:18:22,701 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 551 [2021-02-20 02:18:24,392 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 892 DAG size of output: 698 [2021-02-20 02:18:27,804 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 668 [2021-02-20 02:18:28,367 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 1446 DAG size of output: 1099 [2021-02-20 02:18:29,643 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 2790 DAG size of output: 2275 [2021-02-20 02:18:33,456 WARN L202 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 7386 DAG size of output: 5890 [2021-02-20 02:18:40,259 WARN L202 SmtUtils]: Spent 6.76 s on a formula simplification. DAG size of input: 10513 DAG size of output: 9413 [2021-02-20 02:18:47,141 WARN L202 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 10513 DAG size of output: 9413 [2021-02-20 02:18:54,124 WARN L202 SmtUtils]: Spent 6.90 s on a formula simplification. DAG size of input: 10519 DAG size of output: 9419 [2021-02-20 02:19:05,924 WARN L202 SmtUtils]: Spent 11.69 s on a formula simplification. DAG size of input: 9423 DAG size of output: 17451 [2021-02-20 02:19:09,000 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 8140 DAG size of output: 7962 [2021-02-20 02:19:11,983 WARN L202 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 7963 DAG size of output: 7957 [2021-02-20 02:19:12,145 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 769 [2021-02-20 02:19:12,363 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 774 [2021-02-20 02:19:12,544 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 885 [2021-02-20 02:19:12,733 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 880 [2021-02-20 02:19:12,867 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 713 [2021-02-20 02:19:14,046 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 414 [2021-02-20 02:19:14,796 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1321 DAG size of output: 1192 [2021-02-20 02:19:16,602 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 1197 [2021-02-20 02:19:18,837 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 1976 DAG size of output: 1816 [2021-02-20 02:19:19,468 WARN L202 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 2954 DAG size of output: 2506 [2021-02-20 02:19:19,659 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 906 [2021-02-20 02:19:22,037 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1302 DAG size of output: 1237 [2021-02-20 02:19:22,217 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 793 [2021-02-20 02:19:25,653 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 685 [2021-02-20 02:19:25,891 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1676 DAG size of output: 1554 [2021-02-20 02:19:26,353 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 2422 [2021-02-20 02:19:28,715 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 1082 [2021-02-20 02:19:31,262 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 716 [2021-02-20 02:19:32,176 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 1778 DAG size of output: 1812 [2021-02-20 02:19:33,560 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 4734 DAG size of output: 4424 [2021-02-20 02:19:36,367 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1387 DAG size of output: 1457 [2021-02-20 02:19:38,044 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 5318 DAG size of output: 5011 [2021-02-20 02:19:39,198 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 4304 [2021-02-20 02:19:39,569 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 1713 [2021-02-20 02:19:40,281 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 1269 DAG size of output: 2822 [2021-02-20 02:19:40,550 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1132 [2021-02-20 02:19:40,685 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 703 [2021-02-20 02:19:40,811 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 615 [2021-02-20 02:19:44,016 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 698 [2021-02-20 02:19:44,207 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1054 DAG size of output: 1042 [2021-02-20 02:19:44,316 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 586 [2021-02-20 02:19:44,444 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 507 [2021-02-20 02:19:47,652 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 2586 DAG size of output: 1438 [2021-02-20 02:19:47,783 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 628 [2021-02-20 02:19:48,089 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 549 [2021-02-20 02:19:50,859 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1286 DAG size of output: 771 [2021-02-20 02:19:51,313 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 3539 DAG size of output: 1884 [2021-02-20 02:19:51,528 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 820 [2021-02-20 02:19:58,189 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1072 DAG size of output: 751 [2021-02-20 02:20:03,268 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1298 [2021-02-20 02:20:04,225 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 3445 [2021-02-20 02:20:04,464 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1371 DAG size of output: 1355 [2021-02-20 02:20:06,955 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 709 [2021-02-20 02:20:09,068 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 734 [2021-02-20 02:20:09,316 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1426 DAG size of output: 1395 [2021-02-20 02:20:11,569 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-02-20 02:20:13,812 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 555 [2021-02-20 02:20:14,109 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 2802 DAG size of output: 1447 [2021-02-20 02:20:14,376 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1212 DAG size of output: 1212 [2021-02-20 02:20:17,052 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 1165 [2021-02-20 02:20:17,193 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2021-02-20 02:20:17,785 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 403 [2021-02-20 02:20:20,387 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1164 DAG size of output: 820 [2021-02-20 02:20:21,488 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 2237 DAG size of output: 1463 [2021-02-20 02:20:22,889 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 9194 DAG size of output: 5047 [2021-02-20 02:20:24,499 WARN L202 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 4882 [2021-02-20 02:20:25,510 WARN L202 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 1549 DAG size of output: 3223 [2021-02-20 02:20:25,780 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1343 DAG size of output: 1316 [2021-02-20 02:20:25,934 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 642 [2021-02-20 02:20:28,039 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2021-02-20 02:20:29,483 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1282 DAG size of output: 994 [2021-02-20 02:20:29,823 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 1376 DAG size of output: 1361 [2021-02-20 02:20:30,332 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 694 [2021-02-20 02:20:31,696 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 754 [2021-02-20 02:20:33,988 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1215 DAG size of output: 971 [2021-02-20 02:20:34,449 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 3051 DAG size of output: 1965 [2021-02-20 02:20:34,571 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2021-02-20 02:20:34,699 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 585 [2021-02-20 02:20:36,542 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 510 [2021-02-20 02:20:39,386 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1490 DAG size of output: 1342 [2021-02-20 02:20:44,149 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 763 [2021-02-20 02:20:45,502 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 2248 DAG size of output: 1917 [2021-02-20 02:20:46,980 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1838 DAG size of output: 4035 [2021-02-20 02:20:47,124 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 634 [2021-02-20 02:20:50,870 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 697 [2021-02-20 02:20:52,793 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 770 [2021-02-20 02:20:53,503 WARN L202 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 4658 DAG size of output: 3036 [2021-02-20 02:20:53,985 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 1739 DAG size of output: 1740 [2021-02-20 02:20:54,846 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 987 DAG size of output: 2129 [2021-02-20 02:20:55,358 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 661 [2021-02-20 02:20:56,181 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2021-02-20 02:20:57,080 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 443 [2021-02-20 02:20:57,197 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 648 [2021-02-20 02:20:57,740 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 728 DAG size of output: 691 [2021-02-20 02:20:59,684 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 2166 DAG size of output: 1411 [2021-02-20 02:21:00,684 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 875 DAG size of output: 2034 [2021-02-20 02:21:00,799 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 734 [2021-02-20 02:21:02,508 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 778 [2021-02-20 02:21:04,398 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 2101 DAG size of output: 1208 [2021-02-20 02:21:05,022 WARN L202 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 4072 DAG size of output: 2467 [2021-02-20 02:21:07,389 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 12557 DAG size of output: 7899 [2021-02-20 02:21:13,377 WARN L202 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 23993 DAG size of output: 16096 [2021-02-20 02:21:19,362 WARN L202 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 23993 DAG size of output: 16096 [2021-02-20 02:21:25,754 WARN L202 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 24004 DAG size of output: 15736 [2021-02-20 02:21:27,014 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1303 DAG size of output: 1273 [2021-02-20 02:21:29,766 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 7620 DAG size of output: 6893 [2021-02-20 02:21:30,026 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1785 DAG size of output: 1773 [2021-02-20 02:21:31,332 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2021-02-20 02:21:32,356 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1791 DAG size of output: 845 [2021-02-20 02:21:32,475 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 923 [2021-02-20 02:21:34,577 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 2616 DAG size of output: 2609 [2021-02-20 02:21:35,370 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 442 [2021-02-20 02:21:35,505 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 1261 [2021-02-20 02:21:37,229 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 2714 DAG size of output: 1080 [2021-02-20 02:21:37,455 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 1835 DAG size of output: 1835 [2021-02-20 02:21:40,492 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 2448 DAG size of output: 1251 [2021-02-20 02:21:41,320 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 7369 DAG size of output: 3320 [2021-02-20 02:21:42,378 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1223 DAG size of output: 1116 [2021-02-20 02:21:43,267 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 825 DAG size of output: 803 [2021-02-20 02:21:45,369 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1764 [2021-02-20 02:21:45,629 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2021-02-20 02:21:47,379 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 3838 DAG size of output: 3523 [2021-02-20 02:21:47,621 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2017 DAG size of output: 2003 [2021-02-20 02:21:47,741 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 1161 [2021-02-20 02:21:50,365 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 2316 DAG size of output: 1632 [2021-02-20 02:21:52,035 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 1595 [2021-02-20 02:21:53,805 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1703 DAG size of output: 1107 [2021-02-20 02:21:54,276 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 4031 DAG size of output: 2772 [2021-02-20 02:21:56,061 WARN L202 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 15375 DAG size of output: 6891 [2021-02-20 02:22:00,310 WARN L202 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 6321 DAG size of output: 8016 [2021-02-20 02:22:00,586 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 2065 DAG size of output: 1716 [2021-02-20 02:22:02,032 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 757 [2021-02-20 02:22:02,739 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1750 DAG size of output: 1145 [2021-02-20 02:22:04,467 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 3334 DAG size of output: 2690 [2021-02-20 02:22:07,653 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1661 [2021-02-20 02:22:09,013 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 797 Received shutdown request... [2021-02-20 02:22:10,395 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 2137 DAG size of output: 1436 [2021-02-20 02:22:10,855 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 3133 DAG size of output: 2093 [2021-02-20 02:22:11,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15968 [2021-02-20 02:22:11,088 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-20 02:22:11,094 WARN L224 ceAbstractionStarter]: Timeout [2021-02-20 02:22:11,094 INFO L202 PluginConnector]: Adding new model producer-consumer-equiv-NAo.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 02:22:11 BasicIcfg [2021-02-20 02:22:11,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-20 02:22:11,095 INFO L168 Benchmark]: Toolchain (without parser) took 527254.60 ms. Allocated memory was 255.9 MB in the beginning and 3.8 GB in the end (delta: 3.5 GB). Free memory was 236.6 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.0 GB. [2021-02-20 02:22:11,095 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 162.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-20 02:22:11,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.32 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-20 02:22:11,095 INFO L168 Benchmark]: Boogie Preprocessor took 25.27 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-20 02:22:11,095 INFO L168 Benchmark]: RCFGBuilder took 380.82 ms. Allocated memory is still 255.9 MB. Free memory was 233.4 MB in the beginning and 234.3 MB in the end (delta: -971.0 kB). Peak memory consumption was 17.5 MB. Max. memory is 16.0 GB. [2021-02-20 02:22:11,095 INFO L168 Benchmark]: TraceAbstraction took 526813.55 ms. Allocated memory was 255.9 MB in the beginning and 3.8 GB in the end (delta: 3.5 GB). Free memory was 233.5 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.0 GB. [2021-02-20 02:22:11,096 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 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 162.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.32 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.27 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 380.82 ms. Allocated memory is still 255.9 MB. Free memory was 233.4 MB in the beginning and 234.3 MB in the end (delta: -971.0 kB). Peak memory consumption was 17.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 526813.55 ms. Allocated memory was 255.9 MB in the beginning and 3.8 GB in the end (delta: 3.5 GB). Free memory was 233.5 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 69). Cancelled while PartialOrderCegarLoop was analyzing trace of length 86 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 526.7s, OverallIterations: 22, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 64.0s InterpolantComputationTime, 1961 NumberOfCodeBlocks, 1961 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 1922 ConstructedInterpolants, 120 QuantifiedInterpolants, 1851224 SizeOfPredicates, 65 NumberOfNonLiveVariables, 2304 ConjunctsInSsa, 462 ConjunctsInUnsatCore, 39 InterpolantComputations, 3 PerfectInterpolantSequences, 888/2860 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