/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-POR-NewStatesSleepUncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 15:07:16,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 15:07:16,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 15:07:16,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 15:07:16,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 15:07:16,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 15:07:16,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 15:07:16,652 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-POR-NewStatesSleepUncond-NoLbe.epf [2021-04-15 15:07:16,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 15:07:16,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 15:07:16,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 15:07:16,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 15:07:16,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 15:07:16,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 15:07:16,682 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 15:07:16,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 15:07:16,683 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 15:07:16,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 15:07:16,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 15:07:16,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 15:07:16,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 15:07:16,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 15:07:16,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 15:07:16,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 15:07:16,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 15:07:16,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 15:07:16,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 15:07:16,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 15:07:16,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 15:07:16,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 15:07:16,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 15:07:16,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 15:07:16,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 15:07:16,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 15:07:16,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 15:07:16,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 15:07:16,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 15:07:16,686 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 15:07:16,686 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 15:07:16,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 15:07:16,686 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 15:07:16,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-15 15:07:16,686 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 15:07:16,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 15:07:16,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 15:07:16,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 15:07:16,932 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-15 15:07:16,933 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-15 15:07:16,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl [2021-04-15 15:07:16,934 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-max.wvr.bpl' [2021-04-15 15:07:16,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 15:07:16,969 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-15 15:07:16,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 15:07:16,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 15:07:16,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 15:07:16,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (1/1) ... [2021-04-15 15:07:16,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (1/1) ... [2021-04-15 15:07:16,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 15:07:16,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 15:07:16,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 15:07:16,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 15:07:16,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (1/1) ... [2021-04-15 15:07:16,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (1/1) ... [2021-04-15 15:07:16,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (1/1) ... [2021-04-15 15:07:17,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (1/1) ... [2021-04-15 15:07:17,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (1/1) ... [2021-04-15 15:07:17,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (1/1) ... [2021-04-15 15:07:17,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (1/1) ... [2021-04-15 15:07:17,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 15:07:17,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 15:07:17,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 15:07:17,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 15:07:17,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (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 [2021-04-15 15:07:17,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-15 15:07:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-15 15:07:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-15 15:07:17,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-15 15:07:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-15 15:07:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-15 15:07:17,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-15 15:07:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 15:07:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 15:07:17,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-15 15:07:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-15 15:07:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-15 15:07:17,065 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 15:07:17,306 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 15:07:17,307 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-15 15:07:17,308 INFO L202 PluginConnector]: Adding new model three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 03:07:17 BoogieIcfgContainer [2021-04-15 15:07:17,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 15:07:17,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 15:07:17,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 15:07:17,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 15:07:17,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:07:16" (1/2) ... [2021-04-15 15:07:17,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b87b954 and model type three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 03:07:17, skipping insertion in model container [2021-04-15 15:07:17,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 03:07:17" (2/2) ... [2021-04-15 15:07:17,317 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-max.wvr.bpl [2021-04-15 15:07:17,320 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 15:07:17,320 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 15:07:17,323 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 15:07:17,323 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 15:07:17,379 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-15 15:07:17,390 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 [2021-04-15 15:07:17,418 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 15:07:17,418 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 15:07:17,418 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 15:07:17,418 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 15:07:17,418 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 15:07:17,418 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 15:07:17,418 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 15:07:17,418 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 15:07:17,508 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:17,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:17,511 INFO L82 PathProgramCache]: Analyzing trace with hash -842086636, now seen corresponding path program 1 times [2021-04-15 15:07:17,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:17,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093710382] [2021-04-15 15:07:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 15:07:17,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093710382] [2021-04-15 15:07:17,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 15:07:17,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 15:07:17,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539210376] [2021-04-15 15:07:17,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-15 15:07:17,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:17,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-15 15:07:17,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-15 15:07:17,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:17,676 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:17,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 15:07:17,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:17,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 15:07:17,737 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:17,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:17,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1028088970, now seen corresponding path program 1 times [2021-04-15 15:07:17,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:17,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356564418] [2021-04-15 15:07:17,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 15:07:17,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356564418] [2021-04-15 15:07:17,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 15:07:17,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 15:07:17,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223035883] [2021-04-15 15:07:17,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 15:07:17,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:17,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 15:07:17,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 15:07:17,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:17,799 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:17,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 15:07:17,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:17,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:17,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:17,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 15:07:17,834 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:17,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:17,835 INFO L82 PathProgramCache]: Analyzing trace with hash 393413265, now seen corresponding path program 1 times [2021-04-15 15:07:17,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:17,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142167615] [2021-04-15 15:07:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-04-15 15:07:17,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142167615] [2021-04-15 15:07:17,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 15:07:17,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 15:07:17,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143024809] [2021-04-15 15:07:17,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 15:07:17,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:17,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 15:07:17,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 15:07:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:17,878 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:17,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 15:07:17,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:17,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:17,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:17,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:17,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 15:07:17,899 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:17,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1035039020, now seen corresponding path program 2 times [2021-04-15 15:07:17,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:17,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892767839] [2021-04-15 15:07:17,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 15:07:17,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892767839] [2021-04-15 15:07:17,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752114020] [2021-04-15 15:07:17,948 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 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 [2021-04-15 15:07:17,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 15:07:17,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 15:07:17,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-04-15 15:07:17,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 15:07:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-04-15 15:07:18,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 15:07:18,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-04-15 15:07:18,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878597567] [2021-04-15 15:07:18,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 15:07:18,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:18,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 15:07:18,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-04-15 15:07:18,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:18,094 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:18,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 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) [2021-04-15 15:07:18,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:18,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:18,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:18,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:18,441 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 15:07:18,443 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:18,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:18,444 INFO L82 PathProgramCache]: Analyzing trace with hash -977326656, now seen corresponding path program 3 times [2021-04-15 15:07:18,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:18,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139987264] [2021-04-15 15:07:18,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-04-15 15:07:18,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139987264] [2021-04-15 15:07:18,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644415723] [2021-04-15 15:07:18,476 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 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 [2021-04-15 15:07:18,505 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-15 15:07:18,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 15:07:18,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2021-04-15 15:07:18,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 15:07:18,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-04-15 15:07:18,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 15:07:18,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-04-15 15:07:18,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503852433] [2021-04-15 15:07:18,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-15 15:07:18,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:18,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-15 15:07:18,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-04-15 15:07:18,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:18,642 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:18,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 9 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) [2021-04-15 15:07:18,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:18,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:18,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:18,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:18,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:18,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 15:07:18,953 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:18,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:18,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1712457502, now seen corresponding path program 4 times [2021-04-15 15:07:18,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:18,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102909026] [2021-04-15 15:07:18,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:19,658 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 39 [2021-04-15 15:07:19,903 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 42 [2021-04-15 15:07:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 15:07:20,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102909026] [2021-04-15 15:07:20,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892310275] [2021-04-15 15:07:20,158 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 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 [2021-04-15 15:07:20,203 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-04-15 15:07:20,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 15:07:20,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-04-15 15:07:20,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 15:07:20,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,569 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,576 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,583 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,589 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,598 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,605 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,612 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,620 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,627 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,635 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,657 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,664 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,670 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,678 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:20,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-04-15 15:07:20,684 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:21,002 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-15 15:07:21,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:21,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-04-15 15:07:21,008 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:1217 [2021-04-15 15:07:21,363 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-15 15:07:21,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-04-15 15:07:21,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:22,021 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2021-04-15 15:07:22,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:22,042 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 52 treesize of output 36 [2021-04-15 15:07:22,050 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:22,457 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2021-04-15 15:07:22,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:22,484 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 52 treesize of output 34 [2021-04-15 15:07:22,489 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:22,876 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2021-04-15 15:07:22,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:22,894 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 52 treesize of output 36 [2021-04-15 15:07:22,904 INFO L550 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:23,280 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2021-04-15 15:07:23,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:23,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-04-15 15:07:23,301 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:23,656 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2021-04-15 15:07:23,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:23,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-04-15 15:07:23,677 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:24,047 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2021-04-15 15:07:24,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:24,069 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 48 treesize of output 36 [2021-04-15 15:07:24,073 INFO L550 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:24,451 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2021-04-15 15:07:24,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:24,467 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 48 treesize of output 36 [2021-04-15 15:07:24,471 INFO L550 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:24,832 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2021-04-15 15:07:24,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:24,849 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 50 treesize of output 36 [2021-04-15 15:07:24,857 INFO L550 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:25,191 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2021-04-15 15:07:25,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:25,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-04-15 15:07:25,215 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:25,550 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-04-15 15:07:25,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:25,568 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 50 treesize of output 34 [2021-04-15 15:07:25,572 INFO L550 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:26,250 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 349 [2021-04-15 15:07:26,252 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.5 percent of original size [2021-04-15 15:07:26,266 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 47 treesize of output 35 [2021-04-15 15:07:26,269 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:26,589 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-04-15 15:07:26,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:26,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-04-15 15:07:26,610 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:26,927 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-04-15 15:07:26,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:26,942 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 49 treesize of output 33 [2021-04-15 15:07:26,946 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:27,571 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 328 [2021-04-15 15:07:27,572 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.5 percent of original size [2021-04-15 15:07:27,586 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 45 treesize of output 29 [2021-04-15 15:07:27,588 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:28,113 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 279 [2021-04-15 15:07:28,114 INFO L628 ElimStorePlain]: treesize reduction 121, result has 87.3 percent of original size [2021-04-15 15:07:28,125 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 52 treesize of output 36 [2021-04-15 15:07:28,134 INFO L550 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:28,381 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2021-04-15 15:07:28,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:28,396 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 48 treesize of output 34 [2021-04-15 15:07:28,399 INFO L550 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:28,643 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-04-15 15:07:28,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:28,643 INFO L518 ElimStorePlain]: Eliminatee v_prenex_39 vanished before elimination [2021-04-15 15:07:28,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-04-15 15:07:28,661 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:28,904 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-04-15 15:07:28,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:28,905 INFO L518 ElimStorePlain]: Eliminatee v_prenex_38 vanished before elimination [2021-04-15 15:07:28,905 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-04-15 15:07:28,905 INFO L518 ElimStorePlain]: Eliminatee v_prenex_37 vanished before elimination [2021-04-15 15:07:28,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-04-15 15:07:28,920 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:29,156 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2021-04-15 15:07:29,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:29,168 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 50 treesize of output 36 [2021-04-15 15:07:29,171 INFO L550 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:29,411 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-04-15 15:07:29,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:29,424 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 48 treesize of output 34 [2021-04-15 15:07:29,429 INFO L550 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:29,680 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2021-04-15 15:07:29,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:29,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-04-15 15:07:29,695 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:29,938 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2021-04-15 15:07:29,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:29,962 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 50 treesize of output 36 [2021-04-15 15:07:29,965 INFO L550 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:30,186 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-04-15 15:07:30,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:30,206 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 52 treesize of output 34 [2021-04-15 15:07:30,210 INFO L550 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:30,651 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2021-04-15 15:07:30,652 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.3 percent of original size [2021-04-15 15:07:30,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2021-04-15 15:07:30,669 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:30,892 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2021-04-15 15:07:30,892 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:30,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-04-15 15:07:30,907 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:31,123 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-04-15 15:07:31,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:31,148 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 51 treesize of output 35 [2021-04-15 15:07:31,150 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:31,378 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-04-15 15:07:31,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:31,389 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 57 treesize of output 37 [2021-04-15 15:07:31,391 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:31,736 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 181 [2021-04-15 15:07:31,740 INFO L628 ElimStorePlain]: treesize reduction 130, result has 81.0 percent of original size [2021-04-15 15:07:31,740 INFO L518 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2021-04-15 15:07:31,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-04-15 15:07:31,753 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:31,914 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-04-15 15:07:31,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:31,915 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-04-15 15:07:31,924 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 52 treesize of output 36 [2021-04-15 15:07:31,937 INFO L550 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:32,095 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-04-15 15:07:32,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:32,105 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 44 treesize of output 30 [2021-04-15 15:07:32,108 INFO L550 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:32,262 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2021-04-15 15:07:32,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:32,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-04-15 15:07:32,274 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:32,427 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-04-15 15:07:32,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:32,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-04-15 15:07:32,440 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:32,592 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-04-15 15:07:32,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:32,600 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 50 treesize of output 36 [2021-04-15 15:07:32,606 INFO L550 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:32,751 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-04-15 15:07:32,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:32,761 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 49 treesize of output 35 [2021-04-15 15:07:32,763 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:32,907 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2021-04-15 15:07:32,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:32,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 34 [2021-04-15 15:07:32,925 INFO L550 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:33,072 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-15 15:07:33,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:33,084 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 47 treesize of output 33 [2021-04-15 15:07:33,086 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:33,338 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2021-04-15 15:07:33,339 INFO L628 ElimStorePlain]: treesize reduction 31, result has 92.7 percent of original size [2021-04-15 15:07:33,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-04-15 15:07:33,350 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:33,475 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-15 15:07:33,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:33,482 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 46 treesize of output 30 [2021-04-15 15:07:33,486 INFO L550 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-04-15 15:07:33,606 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-15 15:07:33,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:33,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-04-15 15:07:33,617 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:33,731 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-15 15:07:33,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:33,738 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 51 treesize of output 35 [2021-04-15 15:07:33,740 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:33,850 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-15 15:07:33,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-04-15 15:07:33,856 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 57 treesize of output 37 [2021-04-15 15:07:33,859 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:34,134 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-04-15 15:07:34,135 INFO L628 ElimStorePlain]: treesize reduction 35, result has 89.4 percent of original size [2021-04-15 15:07:34,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 48 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-04-15 15:07:34,145 INFO L247 ElimStorePlain]: Needed 43 recursive calls to eliminate 48 variables, input treesize:1169, output treesize:168 [2021-04-15 15:07:34,372 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 20 treesize of output 12 [2021-04-15 15:07:34,373 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-04-15 15:07:34,395 INFO L628 ElimStorePlain]: treesize reduction 88, result has 5.4 percent of original size [2021-04-15 15:07:34,395 INFO L518 ElimStorePlain]: Eliminatee v_prenex_47 vanished before elimination [2021-04-15 15:07:34,395 INFO L518 ElimStorePlain]: Eliminatee v_prenex_46 vanished before elimination [2021-04-15 15:07:34,395 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-04-15 15:07:34,396 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-04-15 15:07:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 15:07:34,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 15:07:34,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2021-04-15 15:07:34,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706082149] [2021-04-15 15:07:34,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-04-15 15:07:34,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:34,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-04-15 15:07:34,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2021-04-15 15:07:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:34,409 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:34,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 22 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) [2021-04-15 15:07:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:34,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:34,823 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2021-04-15 15:07:35,616 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-04-15 15:07:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:36,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:36,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 15:07:36,406 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:36,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:36,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1734441726, now seen corresponding path program 5 times [2021-04-15 15:07:36,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:36,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472605673] [2021-04-15 15:07:36,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-04-15 15:07:36,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472605673] [2021-04-15 15:07:36,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405742088] [2021-04-15 15:07:36,471 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 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 [2021-04-15 15:07:36,503 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-04-15 15:07:36,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 15:07:36,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2021-04-15 15:07:36,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 15:07:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-04-15 15:07:36,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 15:07:36,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-04-15 15:07:36,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871437532] [2021-04-15 15:07:36,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-15 15:07:36,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:36,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-15 15:07:36,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-04-15 15:07:36,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:36,571 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:36,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 15:07:36,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:36,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:36,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:36,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:36,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:36,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:36,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:36,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:36,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:36,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:36,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:36,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:36,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:36,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-04-15 15:07:36,845 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:36,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:36,845 INFO L82 PathProgramCache]: Analyzing trace with hash 149689948, now seen corresponding path program 6 times [2021-04-15 15:07:36,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:36,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952220430] [2021-04-15 15:07:36,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:36,899 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-04-15 15:07:36,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952220430] [2021-04-15 15:07:36,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656852766] [2021-04-15 15:07:36,899 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 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 [2021-04-15 15:07:36,941 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-04-15 15:07:36,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 15:07:36,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2021-04-15 15:07:36,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 15:07:37,018 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-04-15 15:07:37,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 15:07:37,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-04-15 15:07:37,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975261481] [2021-04-15 15:07:37,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-15 15:07:37,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:37,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-15 15:07:37,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-04-15 15:07:37,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:37,020 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:37,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 15:07:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:37,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:37,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 15:07:37,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 15:07:37,637 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:37,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:37,637 INFO L82 PathProgramCache]: Analyzing trace with hash -878381326, now seen corresponding path program 7 times [2021-04-15 15:07:37,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:37,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95692089] [2021-04-15 15:07:37,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-04-15 15:07:37,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95692089] [2021-04-15 15:07:37,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009043296] [2021-04-15 15:07:37,697 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 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 [2021-04-15 15:07:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:37,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-04-15 15:07:37,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 15:07:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-04-15 15:07:37,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 15:07:37,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2021-04-15 15:07:37,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504772386] [2021-04-15 15:07:37,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-15 15:07:37,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:37,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-15 15:07:37,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-04-15 15:07:37,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:37,805 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:37,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 15:07:37,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:37,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:37,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:37,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:37,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:37,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:37,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:37,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 15:07:37,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:37,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 15:07:37,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 15:07:38,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-04-15 15:07:38,103 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:38,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:38,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1343568300, now seen corresponding path program 8 times [2021-04-15 15:07:38,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:38,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170910790] [2021-04-15 15:07:38,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-04-15 15:07:38,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170910790] [2021-04-15 15:07:38,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123024056] [2021-04-15 15:07:38,154 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 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 [2021-04-15 15:07:38,198 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 15:07:38,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 15:07:38,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2021-04-15 15:07:38,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 15:07:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-04-15 15:07:38,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 15:07:38,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 19 [2021-04-15 15:07:38,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620141863] [2021-04-15 15:07:38,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-04-15 15:07:38,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:38,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-04-15 15:07:38,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-04-15 15:07:38,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:38,351 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:38,351 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) [2021-04-15 15:07:38,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:38,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:38,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:38,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:38,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:38,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:38,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:38,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 15:07:38,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-04-15 15:07:38,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:38,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:38,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:38,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:38,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 15:07:38,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 15:07:38,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-04-15 15:07:38,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-04-15 15:07:38,955 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:38,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:38,956 INFO L82 PathProgramCache]: Analyzing trace with hash 220406232, now seen corresponding path program 9 times [2021-04-15 15:07:38,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:38,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671692069] [2021-04-15 15:07:38,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 15:07:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 31 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-04-15 15:07:39,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671692069] [2021-04-15 15:07:39,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16490894] [2021-04-15 15:07:39,024 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 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 [2021-04-15 15:07:39,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-04-15 15:07:39,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 15:07:39,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2021-04-15 15:07:39,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 15:07:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 31 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-04-15 15:07:39,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 15:07:39,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-04-15 15:07:39,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196403359] [2021-04-15 15:07:39,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-04-15 15:07:39,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 15:07:39,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-04-15 15:07:39,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2021-04-15 15:07:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:39,185 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 15:07:39,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 16 states have internal predecessors, (63), 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) [2021-04-15 15:07:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:39,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:39,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:39,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:39,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:39,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-04-15 15:07:39,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-04-15 15:07:39,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-04-15 15:07:39,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 15:07:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 15:07:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 15:07:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 15:07:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-15 15:07:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 15:07:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-04-15 15:07:40,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 15:07:40,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-04-15 15:07:40,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-04-15 15:07:40,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-04-15 15:07:40,535 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 15:07:40,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 15:07:40,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1296460278, now seen corresponding path program 10 times [2021-04-15 15:07:40,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 15:07:40,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511462006] [2021-04-15 15:07:40,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 15:07:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown