/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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 18:14:55,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 18:14:55,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 18:14:55,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-03 18:14:55,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-03 18:14:55,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-03 18:14:55,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-03 18:14:55,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-03 18:14:55,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-03 18:14:55,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-03 18:14:55,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-03 18:14:55,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-03 18:14:55,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 18:14:55,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 18:14:55,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 18:14:55,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 18:14:55,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 18:14:55,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 18:14:55,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 18:14:55,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 18:14:55,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 18:14:55,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 18:14:55,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 18:14:55,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 18:14:55,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-03 18:14:55,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 18:14:55,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 18:14:55,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 18:14:55,171 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-DelaySleep-NoLbe.epf [2021-05-03 18:14:55,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 18:14:55,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 18:14:55,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 18:14:55,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 18:14:55,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 18:14:55,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 18:14:55,216 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 18:14:55,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 18:14:55,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 18:14:55,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 18:14:55,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 18:14:55,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 18:14:55,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 18:14:55,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 18:14:55,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 18:14:55,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 18:14:55,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 18:14:55,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 18:14:55,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 18:14:55,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 18:14:55,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 18:14:55,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 18:14:55,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 18:14:55,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 18:14:55,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 18:14:55,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 18:14:55,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 18:14:55,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 18:14:55,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 18:14:55,221 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 18:14:55,221 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 18:14:55,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 18:14:55,221 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-05-03 18:14:55,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 18:14:55,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 18:14:55,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 18:14:55,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 18:14:55,634 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 18:14:55,636 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 18:14:55,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-trans.wvr.bpl [2021-05-03 18:14:55,637 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/nzb-file-trans.wvr.bpl' [2021-05-03 18:14:55,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 18:14:55,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 18:14:55,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 18:14:55,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 18:14:55,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 18:14:55,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (1/1) ... [2021-05-03 18:14:55,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (1/1) ... [2021-05-03 18:14:55,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 18:14:55,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 18:14:55,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 18:14:55,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 18:14:55,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (1/1) ... [2021-05-03 18:14:55,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (1/1) ... [2021-05-03 18:14:55,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (1/1) ... [2021-05-03 18:14:55,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (1/1) ... [2021-05-03 18:14:55,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (1/1) ... [2021-05-03 18:14:55,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (1/1) ... [2021-05-03 18:14:55,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (1/1) ... [2021-05-03 18:14:55,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 18:14:55,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 18:14:55,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 18:14:55,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 18:14:55,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (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 [2021-05-03 18:14:55,873 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 18:14:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 18:14:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 18:14:55,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 18:14:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 18:14:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 18:14:55,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 18:14:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 18:14:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 18:14:55,874 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-03 18:14:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-03 18:14:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-03 18:14:55,877 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 18:14:56,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 18:14:56,425 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-05-03 18:14:56,427 INFO L202 PluginConnector]: Adding new model nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:14:56 BoogieIcfgContainer [2021-05-03 18:14:56,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 18:14:56,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 18:14:56,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 18:14:56,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 18:14:56,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:14:55" (1/2) ... [2021-05-03 18:14:56,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f9e75e and model type nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 06:14:56, skipping insertion in model container [2021-05-03 18:14:56,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:14:56" (2/2) ... [2021-05-03 18:14:56,438 INFO L111 eAbstractionObserver]: Analyzing ICFG nzb-file-trans.wvr.bpl [2021-05-03 18:14:56,445 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 18:14:56,445 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 18:14:56,450 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 18:14:56,452 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 18:14:56,513 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-03 18:14:56,532 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 [2021-05-03 18:14:56,584 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 18:14:56,584 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 18:14:56,584 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 18:14:56,584 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 18:14:56,584 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 18:14:56,585 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 18:14:56,585 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 18:14:56,585 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 18:14:56,620 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:14:56,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:14:56,626 INFO L82 PathProgramCache]: Analyzing trace with hash 742212946, now seen corresponding path program 1 times [2021-05-03 18:14:56,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:14:56,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994429599] [2021-05-03 18:14:56,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:14:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:14:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:14:56,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994429599] [2021-05-03 18:14:56,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:14:56,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-03 18:14:56,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506620174] [2021-05-03 18:14:56,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-03 18:14:56,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:14:56,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-03 18:14:56,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-03 18:14:56,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:56,910 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:14:56,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-05-03 18:14:56,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:56,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:14:56,988 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 18:14:56,989 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:14:56,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:14:56,990 INFO L82 PathProgramCache]: Analyzing trace with hash 345546464, now seen corresponding path program 1 times [2021-05-03 18:14:56,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:14:56,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639573440] [2021-05-03 18:14:56,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:14:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:14:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:14:57,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639573440] [2021-05-03 18:14:57,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:14:57,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-03 18:14:57,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004828108] [2021-05-03 18:14:57,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 18:14:57,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:14:57,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 18:14:57,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 18:14:57,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,037 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:14:57,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:14:57,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:14:57,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:14:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-03 18:14:57,059 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:14:57,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:14:57,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1634851988, now seen corresponding path program 1 times [2021-05-03 18:14:57,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:14:57,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355971905] [2021-05-03 18:14:57,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:14:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:14:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:14:57,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355971905] [2021-05-03 18:14:57,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:14:57,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-03 18:14:57,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568610074] [2021-05-03 18:14:57,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-03 18:14:57,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:14:57,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-03 18:14:57,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-03 18:14:57,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,166 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:14:57,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:14:57,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:14:57,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-03 18:14:57,314 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:14:57,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:14:57,316 INFO L82 PathProgramCache]: Analyzing trace with hash -389474602, now seen corresponding path program 1 times [2021-05-03 18:14:57,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:14:57,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667084652] [2021-05-03 18:14:57,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:14:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:14:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:14:57,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667084652] [2021-05-03 18:14:57,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:14:57,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-03 18:14:57,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901766105] [2021-05-03 18:14:57,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 18:14:57,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:14:57,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 18:14:57,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 18:14:57,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,372 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:14:57,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:14:57,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-03 18:14:57,402 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:14:57,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:14:57,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1112050222, now seen corresponding path program 1 times [2021-05-03 18:14:57,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:14:57,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018831174] [2021-05-03 18:14:57,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:14:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:14:57,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:14:57,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018831174] [2021-05-03 18:14:57,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:14:57,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-03 18:14:57,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516716275] [2021-05-03 18:14:57,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-03 18:14:57,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:14:57,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-03 18:14:57,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-03 18:14:57,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,472 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:14:57,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:14:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-03 18:14:57,574 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:14:57,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:14:57,575 INFO L82 PathProgramCache]: Analyzing trace with hash -756848640, now seen corresponding path program 1 times [2021-05-03 18:14:57,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:14:57,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666294196] [2021-05-03 18:14:57,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:14:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:14:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:14:57,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666294196] [2021-05-03 18:14:57,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:14:57,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-03 18:14:57,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853126421] [2021-05-03 18:14:57,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 18:14:57,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:14:57,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 18:14:57,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 18:14:57,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,595 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:14:57,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-05-03 18:14:57,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-03 18:14:57,616 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:14:57,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:14:57,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1885124076, now seen corresponding path program 1 times [2021-05-03 18:14:57,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:14:57,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143983906] [2021-05-03 18:14:57,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:14:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:14:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-05-03 18:14:57,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143983906] [2021-05-03 18:14:57,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:14:57,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 18:14:57,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872901546] [2021-05-03 18:14:57,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-03 18:14:57,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:14:57,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-03 18:14:57,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-05-03 18:14:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,682 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:14:57,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:14:57,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:57,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:14:57,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-03 18:14:57,719 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:14:57,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:14:57,719 INFO L82 PathProgramCache]: Analyzing trace with hash -542158316, now seen corresponding path program 1 times [2021-05-03 18:14:57,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:14:57,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651984488] [2021-05-03 18:14:57,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:14:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:14:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:14:57,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651984488] [2021-05-03 18:14:57,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580230856] [2021-05-03 18:14:57,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:14:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:14:57,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-03 18:14:57,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:14:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:14:58,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:14:58,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-05-03 18:14:58,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756452271] [2021-05-03 18:14:58,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-03 18:14:58,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:14:58,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-03 18:14:58,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-05-03 18:14:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:58,550 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:14:58,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:14:58,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:58,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:58,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:58,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:58,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:58,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:58,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:14:58,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:14:58,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:14:59,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:14:59,045 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:14:59,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:14:59,046 INFO L82 PathProgramCache]: Analyzing trace with hash -156476192, now seen corresponding path program 2 times [2021-05-03 18:14:59,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:14:59,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183723744] [2021-05-03 18:14:59,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:14:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:14:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:14:59,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183723744] [2021-05-03 18:14:59,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740031846] [2021-05-03 18:14:59,204 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:14:59,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 18:14:59,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:14:59,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-03 18:14:59,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:14:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:14:59,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:14:59,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 16 [2021-05-03 18:14:59,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888966779] [2021-05-03 18:14:59,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-03 18:14:59,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:14:59,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-03 18:14:59,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-05-03 18:14:59,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:14:59,535 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:14:59,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 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) [2021-05-03 18:14:59,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:59,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:59,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:59,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:59,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:14:59,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:14:59,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:14:59,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:14:59,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:00,230 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2021-05-03 18:15:00,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:00,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:00,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:00,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:00,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-03 18:15:00,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:00,801 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:00,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:00,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1256985298, now seen corresponding path program 1 times [2021-05-03 18:15:00,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:00,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473220382] [2021-05-03 18:15:00,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:15:00,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473220382] [2021-05-03 18:15:00,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:15:00,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 18:15:00,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624794232] [2021-05-03 18:15:00,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-03 18:15:00,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:00,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-03 18:15:00,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-03 18:15:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:00,829 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:00,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:15:00,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-03 18:15:00,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:00,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:00,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-05-03 18:15:00,996 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:00,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:00,996 INFO L82 PathProgramCache]: Analyzing trace with hash -581613696, now seen corresponding path program 3 times [2021-05-03 18:15:00,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:00,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608480555] [2021-05-03 18:15:00,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:15:01,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608480555] [2021-05-03 18:15:01,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851714011] [2021-05-03 18:15:01,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:01,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-05-03 18:15:01,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:01,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-03 18:15:01,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:15:01,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:01,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 14 [2021-05-03 18:15:01,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323589776] [2021-05-03 18:15:01,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-05-03 18:15:01,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:01,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-05-03 18:15:01,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-05-03 18:15:01,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:01,349 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:01,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:01,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:01,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:01,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:01,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:01,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:02,192 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:02,193 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:02,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:02,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1521572456, now seen corresponding path program 4 times [2021-05-03 18:15:02,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:02,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871073832] [2021-05-03 18:15:02,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 18:15:02,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871073832] [2021-05-03 18:15:02,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27875579] [2021-05-03 18:15:02,280 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:02,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 18:15:02,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:02,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-03 18:15:02,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:15:02,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:02,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2021-05-03 18:15:02,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791555855] [2021-05-03 18:15:02,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-03 18:15:02,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:02,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-03 18:15:02,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-05-03 18:15:02,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:02,656 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:02,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:15:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:02,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:02,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:02,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:02,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:02,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:02,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:15:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-03 18:15:04,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-05-03 18:15:04,397 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:04,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:04,397 INFO L82 PathProgramCache]: Analyzing trace with hash -58071820, now seen corresponding path program 5 times [2021-05-03 18:15:04,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:04,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463412823] [2021-05-03 18:15:04,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-03 18:15:04,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463412823] [2021-05-03 18:15:04,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239010347] [2021-05-03 18:15:04,561 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:04,612 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-05-03 18:15:04,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:04,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-03 18:15:04,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 18:15:04,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:04,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-05-03 18:15:04,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413670882] [2021-05-03 18:15:04,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-03 18:15:04,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:04,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-03 18:15:04,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-05-03 18:15:04,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:04,919 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:04,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 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) [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:15:04,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-05-03 18:15:04,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:06,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:06,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:06,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:06,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:06,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:06,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:06,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:06,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:15:06,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-03 18:15:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-05-03 18:15:07,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-05-03 18:15:07,157 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:07,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:07,157 INFO L82 PathProgramCache]: Analyzing trace with hash -14699776, now seen corresponding path program 6 times [2021-05-03 18:15:07,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:07,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107613371] [2021-05-03 18:15:07,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-03 18:15:07,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107613371] [2021-05-03 18:15:07,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613679396] [2021-05-03 18:15:07,290 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:07,352 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-05-03 18:15:07,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:07,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 24 conjunts are in the unsatisfiable core [2021-05-03 18:15:07,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:15:07,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:07,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 20 [2021-05-03 18:15:07,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615637217] [2021-05-03 18:15:07,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-03 18:15:07,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:07,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-03 18:15:07,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-05-03 18:15:07,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:07,969 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:07,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.25) internal successors, (45), 20 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) [2021-05-03 18:15:07,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:07,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-05-03 18:15:07,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:08,623 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 43 [2021-05-03 18:15:08,898 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2021-05-03 18:15:09,058 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:10,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:11,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-05-03 18:15:11,053 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:11,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:11,068 INFO L82 PathProgramCache]: Analyzing trace with hash -335135096, now seen corresponding path program 7 times [2021-05-03 18:15:11,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:11,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97807467] [2021-05-03 18:15:11,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:15:11,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97807467] [2021-05-03 18:15:11,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013937869] [2021-05-03 18:15:11,208 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:11,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 20 conjunts are in the unsatisfiable core [2021-05-03 18:15:11,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:11,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:11,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:11,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:11,356 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2021-05-03 18:15:11,357 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:13 [2021-05-03 18:15:11,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:11,443 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:11,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:11,449 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:11,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:11,460 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:11,504 INFO L628 ElimStorePlain]: treesize reduction 23, result has 63.5 percent of original size [2021-05-03 18:15:11,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:11,511 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:11,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:11,517 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:11,552 INFO L628 ElimStorePlain]: treesize reduction 1, result has 97.0 percent of original size [2021-05-03 18:15:11,554 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-03 18:15:11,554 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:75, output treesize:19 [2021-05-03 18:15:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 18:15:11,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:11,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 13 [2021-05-03 18:15:11,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112154501] [2021-05-03 18:15:11,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-03 18:15:11,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:11,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-03 18:15:11,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-05-03 18:15:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:11,640 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:11,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:15:11,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:11,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:11,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:11,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:11,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-05-03 18:15:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:11,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-03 18:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-03 18:15:12,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-05-03 18:15:12,251 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:12,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:12,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1942601452, now seen corresponding path program 8 times [2021-05-03 18:15:12,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:12,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560336680] [2021-05-03 18:15:12,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-03 18:15:12,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560336680] [2021-05-03 18:15:12,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137381777] [2021-05-03 18:15:12,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:12,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 18:15:12,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:12,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 30 conjunts are in the unsatisfiable core [2021-05-03 18:15:12,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:12,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:12,622 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:12,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:12,628 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:12,631 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-05-03 18:15:12,632 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:12,693 INFO L628 ElimStorePlain]: treesize reduction 26, result has 70.1 percent of original size [2021-05-03 18:15:12,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:12,697 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:12,722 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:12,723 INFO L518 ElimStorePlain]: Eliminatee ends_with_2 vanished before elimination [2021-05-03 18:15:12,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2021-05-03 18:15:12,727 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:122, output treesize:50 [2021-05-03 18:15:13,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:13,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:13,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2021-05-03 18:15:13,247 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:13,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:13,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:13,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2021-05-03 18:15:13,255 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:13,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:13,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:13,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:13,262 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:13,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:13,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:13,277 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:13,332 INFO L628 ElimStorePlain]: treesize reduction 50, result has 46.2 percent of original size [2021-05-03 18:15:13,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-05-03 18:15:13,334 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:155, output treesize:35 [2021-05-03 18:15:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-03 18:15:13,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:13,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2021-05-03 18:15:13,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701906157] [2021-05-03 18:15:13,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-03 18:15:13,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:13,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-03 18:15:13,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-05-03 18:15:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:13,458 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:13,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.263157894736842) internal successors, (43), 19 states have internal predecessors, (43), 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) [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-05-03 18:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-03 18:15:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:14,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:14,859 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:14,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:14,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1694423776, now seen corresponding path program 9 times [2021-05-03 18:15:14,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:14,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256343099] [2021-05-03 18:15:14,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-03 18:15:15,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256343099] [2021-05-03 18:15:15,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706454787] [2021-05-03 18:15:15,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:15,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-03 18:15:15,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:15,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 34 conjunts are in the unsatisfiable core [2021-05-03 18:15:15,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:15,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:15,763 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:15,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:15,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:15,769 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:15,870 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2021-05-03 18:15:15,871 INFO L628 ElimStorePlain]: treesize reduction 6, result has 93.5 percent of original size [2021-05-03 18:15:15,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:15,877 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:15,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:15,883 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:15,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:15,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-05-03 18:15:15,935 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:122, output treesize:79 [2021-05-03 18:15:16,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:16,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:16,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2021-05-03 18:15:16,562 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:16,565 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-05-03 18:15:16,566 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:16,588 INFO L628 ElimStorePlain]: treesize reduction 1, result has 95.7 percent of original size [2021-05-03 18:15:16,589 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-03 18:15:16,589 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:16 [2021-05-03 18:15:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:15:16,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:16,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 24 [2021-05-03 18:15:16,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582557803] [2021-05-03 18:15:16,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-05-03 18:15:16,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:16,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-05-03 18:15:16,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2021-05-03 18:15:16,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:16,637 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:16,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.8333333333333333) internal successors, (44), 24 states have internal predecessors, (44), 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) [2021-05-03 18:15:16,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:16,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:16,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:16,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:16,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:16,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:18,064 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 51 [2021-05-03 18:15:18,904 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:20,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:20,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-05-03 18:15:20,625 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:20,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:20,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1578011264, now seen corresponding path program 10 times [2021-05-03 18:15:20,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:20,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7405093] [2021-05-03 18:15:20,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:15:21,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7405093] [2021-05-03 18:15:21,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897635509] [2021-05-03 18:15:21,024 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:21,087 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 18:15:21,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:21,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 24 conjunts are in the unsatisfiable core [2021-05-03 18:15:21,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:21,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:21,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:21,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:21,154 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2021-05-03 18:15:21,155 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:13 [2021-05-03 18:15:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-03 18:15:21,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:21,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 24 [2021-05-03 18:15:21,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190223935] [2021-05-03 18:15:21,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-05-03 18:15:21,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:21,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-05-03 18:15:21,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=479, Unknown=0, NotChecked=0, Total=552 [2021-05-03 18:15:21,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:21,526 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:21,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.9583333333333333) internal successors, (47), 24 states have internal predecessors, (47), 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) [2021-05-03 18:15:21,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:21,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:21,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:21,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:21,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:21,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:23,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:23,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:23,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:23,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:23,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:23,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:15:24,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable204 [2021-05-03 18:15:24,054 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:24,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:24,055 INFO L82 PathProgramCache]: Analyzing trace with hash 698018920, now seen corresponding path program 11 times [2021-05-03 18:15:24,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:24,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309592470] [2021-05-03 18:15:24,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:24,372 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:15:24,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309592470] [2021-05-03 18:15:24,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650078409] [2021-05-03 18:15:24,373 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:24,443 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-05-03 18:15:24,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:24,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 33 conjunts are in the unsatisfiable core [2021-05-03 18:15:24,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:24,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:24,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:24,651 INFO L628 ElimStorePlain]: treesize reduction 6, result has 92.8 percent of original size [2021-05-03 18:15:24,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:24,657 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:24,699 INFO L628 ElimStorePlain]: treesize reduction 21, result has 71.2 percent of original size [2021-05-03 18:15:24,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:24,704 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:24,731 INFO L628 ElimStorePlain]: treesize reduction 17, result has 65.3 percent of original size [2021-05-03 18:15:24,733 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2021-05-03 18:15:24,733 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:87, output treesize:24 [2021-05-03 18:15:25,450 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-03 18:15:25,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:25,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 27 [2021-05-03 18:15:25,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879325864] [2021-05-03 18:15:25,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-05-03 18:15:25,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:25,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-05-03 18:15:25,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2021-05-03 18:15:25,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:25,454 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:25,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 27 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-05-03 18:15:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-05-03 18:15:32,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:32,365 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:32,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:32,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1331477516, now seen corresponding path program 12 times [2021-05-03 18:15:32,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:32,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102343040] [2021-05-03 18:15:32,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-05-03 18:15:32,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102343040] [2021-05-03 18:15:32,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851571955] [2021-05-03 18:15:32,626 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:32,675 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-05-03 18:15:32,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:32,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 34 conjunts are in the unsatisfiable core [2021-05-03 18:15:32,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:32,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:32,807 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:32,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:32,813 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:32,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:32,819 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:32,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:32,825 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:32,898 INFO L628 ElimStorePlain]: treesize reduction 49, result has 54.2 percent of original size [2021-05-03 18:15:32,899 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-05-03 18:15:32,902 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2021-05-03 18:15:32,902 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:122, output treesize:50 [2021-05-03 18:15:33,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:33,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:33,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2021-05-03 18:15:33,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:33,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:33,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:33,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:33,484 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:33,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:33,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:33,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2021-05-03 18:15:33,492 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:33,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:33,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:33,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:33,499 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:33,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:33,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:33,505 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:33,562 INFO L628 ElimStorePlain]: treesize reduction 50, result has 46.2 percent of original size [2021-05-03 18:15:33,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-05-03 18:15:33,564 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:184, output treesize:35 [2021-05-03 18:15:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-05-03 18:15:33,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:33,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2021-05-03 18:15:33,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486148585] [2021-05-03 18:15:33,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-03 18:15:33,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:33,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-03 18:15:33,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2021-05-03 18:15:33,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:33,686 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:33,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.090909090909091) internal successors, (46), 22 states have internal predecessors, (46), 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) [2021-05-03 18:15:33,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-05-03 18:15:33,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:34,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:34,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:34,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:34,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:34,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:34,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:34,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:34,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-05-03 18:15:34,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-05-03 18:15:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:15:35,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:35,182 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:35,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:35,183 INFO L82 PathProgramCache]: Analyzing trace with hash -948010752, now seen corresponding path program 13 times [2021-05-03 18:15:35,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:35,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443347979] [2021-05-03 18:15:35,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-05-03 18:15:35,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443347979] [2021-05-03 18:15:35,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768638088] [2021-05-03 18:15:35,342 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:35,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 28 conjunts are in the unsatisfiable core [2021-05-03 18:15:35,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:35,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:35,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:35,699 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2021-05-03 18:15:35,700 INFO L628 ElimStorePlain]: treesize reduction 35, result has 75.7 percent of original size [2021-05-03 18:15:35,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:35,707 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:35,805 INFO L628 ElimStorePlain]: treesize reduction 21, result has 80.2 percent of original size [2021-05-03 18:15:35,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:35,811 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:35,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:35,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:35,862 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:35,934 INFO L628 ElimStorePlain]: treesize reduction 19, result has 75.3 percent of original size [2021-05-03 18:15:35,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2021-05-03 18:15:35,938 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:147, output treesize:50 [2021-05-03 18:15:36,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:36,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:36,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:36,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:36,276 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:36,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:36,287 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-03 18:15:36,288 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:11 [2021-05-03 18:15:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-05-03 18:15:36,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:36,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2021-05-03 18:15:36,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575457792] [2021-05-03 18:15:36,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-03 18:15:36,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:36,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-03 18:15:36,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2021-05-03 18:15:36,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:36,335 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:36,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.7727272727272727) internal successors, (39), 22 states have internal predecessors, (39), 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) [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:36,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:36,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:36,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:36,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-05-03 18:15:36,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-05-03 18:15:36,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:15:36,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:36,974 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2021-05-03 18:15:39,545 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-05-03 18:15:40,023 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-05-03 18:15:42,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-05-03 18:15:42,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-05-03 18:15:42,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:15:42,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:15:42,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable354,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:42,648 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:42,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:42,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1077108872, now seen corresponding path program 14 times [2021-05-03 18:15:42,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:42,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778313329] [2021-05-03 18:15:42,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-03 18:15:42,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778313329] [2021-05-03 18:15:42,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982205714] [2021-05-03 18:15:42,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:42,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 18:15:42,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:42,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 28 conjunts are in the unsatisfiable core [2021-05-03 18:15:42,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:43,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:43,011 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:43,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:43,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2021-05-03 18:15:43,020 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:13 [2021-05-03 18:15:43,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:43,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:43,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:43,103 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:43,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:43,108 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:43,155 INFO L628 ElimStorePlain]: treesize reduction 23, result has 63.5 percent of original size [2021-05-03 18:15:43,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:43,161 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:43,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:43,166 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:43,204 INFO L628 ElimStorePlain]: treesize reduction 1, result has 97.0 percent of original size [2021-05-03 18:15:43,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-03 18:15:43,206 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:75, output treesize:19 [2021-05-03 18:15:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-05-03 18:15:43,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:43,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 17 [2021-05-03 18:15:43,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262531521] [2021-05-03 18:15:43,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-03 18:15:43,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:43,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-03 18:15:43,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-05-03 18:15:43,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:43,263 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:43,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 17 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-05-03 18:15:43,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:15:43,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:15:43,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:15:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:15:44,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:44,377 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable400 [2021-05-03 18:15:44,377 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:44,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:44,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1402364512, now seen corresponding path program 15 times [2021-05-03 18:15:44,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:44,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867005967] [2021-05-03 18:15:44,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:15:44,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867005967] [2021-05-03 18:15:44,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947239186] [2021-05-03 18:15:44,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:44,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-05-03 18:15:44,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:44,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-03 18:15:44,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:44,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:44,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:44,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:44,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:44,866 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:44,927 INFO L628 ElimStorePlain]: treesize reduction 26, result has 70.5 percent of original size [2021-05-03 18:15:44,928 INFO L518 ElimStorePlain]: Eliminatee v_prenex_19 vanished before elimination [2021-05-03 18:15:44,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:44,932 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:44,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:44,962 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2021-05-03 18:15:44,963 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:95, output treesize:50 [2021-05-03 18:15:45,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:45,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:45,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:45,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:45,367 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:45,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:45,375 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-03 18:15:45,376 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:11 [2021-05-03 18:15:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-05-03 18:15:45,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:45,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 26 [2021-05-03 18:15:45,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969563979] [2021-05-03 18:15:45,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-05-03 18:15:45,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:45,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-05-03 18:15:45,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2021-05-03 18:15:45,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:45,437 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:45,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.8461538461538463) internal successors, (48), 26 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) [2021-05-03 18:15:45,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:45,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:45,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:45,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:45,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:45,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:45,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:45,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:45,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:46,905 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2021-05-03 18:15:47,071 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2021-05-03 18:15:47,482 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2021-05-03 18:15:47,657 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 52 [2021-05-03 18:15:49,017 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2021-05-03 18:15:49,194 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 51 [2021-05-03 18:15:49,631 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2021-05-03 18:15:50,623 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2021-05-03 18:15:50,950 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-05-03 18:15:51,140 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-05-03 18:15:51,622 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2021-05-03 18:15:51,889 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2021-05-03 18:15:52,629 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2021-05-03 18:15:52,787 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2021-05-03 18:15:53,183 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2021-05-03 18:15:53,348 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-05-03 18:15:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-05-03 18:15:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:15:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:15:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-05-03 18:15:53,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable408,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:53,925 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:15:53,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:15:53,925 INFO L82 PathProgramCache]: Analyzing trace with hash -2098253804, now seen corresponding path program 16 times [2021-05-03 18:15:53,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:15:53,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963487216] [2021-05-03 18:15:53,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:15:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:15:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:15:54,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963487216] [2021-05-03 18:15:54,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827894364] [2021-05-03 18:15:54,648 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:15:54,720 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 18:15:54,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:15:54,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 51 conjunts are in the unsatisfiable core [2021-05-03 18:15:54,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:15:55,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:55,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:55,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2021-05-03 18:15:55,887 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:55,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:55,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:55,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:55,896 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:55,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:55,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:55,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2021-05-03 18:15:55,909 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:55,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:55,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:55,917 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:56,202 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2021-05-03 18:15:56,203 INFO L628 ElimStorePlain]: treesize reduction 213, result has 47.8 percent of original size [2021-05-03 18:15:56,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:56,213 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:56,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:56,221 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:56,337 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-05-03 18:15:56,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:56,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:56,344 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:56,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:56,350 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:56,463 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-05-03 18:15:56,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:56,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:56,476 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:56,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:56,482 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:56,589 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 18:15:56,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:56,597 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: 8 dim-0 vars, and 8 xjuncts. [2021-05-03 18:15:56,597 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 8 variables, input treesize:473, output treesize:173 [2021-05-03 18:15:56,833 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2021-05-03 18:15:58,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:58,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:58,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2021-05-03 18:15:58,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:58,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:15:58,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2021-05-03 18:15:58,163 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:58,360 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-05-03 18:15:58,361 INFO L628 ElimStorePlain]: treesize reduction 205, result has 36.7 percent of original size [2021-05-03 18:15:58,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4 treesize of output 2 [2021-05-03 18:15:58,368 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:58,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:58,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3 treesize of output 1 [2021-05-03 18:15:58,450 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-03 18:15:58,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:15:58,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-05-03 18:15:58,521 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:351, output treesize:92 [2021-05-03 18:15:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:15:58,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:15:58,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 40 [2021-05-03 18:15:58,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5565317] [2021-05-03 18:15:58,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-05-03 18:15:58,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:15:58,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-05-03 18:15:58,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1438, Unknown=0, NotChecked=0, Total=1560 [2021-05-03 18:15:58,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:15:58,778 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:15:58,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.475) internal successors, (59), 40 states have internal predecessors, (59), 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) [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:15:58,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:15:58,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-05-03 18:15:58,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-05-03 18:15:58,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:15:58,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:15:58,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:15:58,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-05-03 18:15:58,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:16:00,589 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2021-05-03 18:16:00,915 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2021-05-03 18:16:01,254 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 74 [2021-05-03 18:16:01,560 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 75 [2021-05-03 18:16:01,975 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 74 [2021-05-03 18:16:02,389 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 73 [2021-05-03 18:16:02,969 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 113 [2021-05-03 18:16:03,668 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 119 [2021-05-03 18:16:04,423 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-05-03 18:16:05,156 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 127 [2021-05-03 18:16:05,820 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 125 [2021-05-03 18:16:06,503 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 125 [2021-05-03 18:16:07,262 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2021-05-03 18:16:08,071 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 137 [2021-05-03 18:16:08,860 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 143 [2021-05-03 18:16:09,533 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 130 [2021-05-03 18:16:10,204 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:16:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-05-03 18:16:10,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-03 18:16:10,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable425 [2021-05-03 18:16:10,450 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:16:10,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:16:10,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1051728096, now seen corresponding path program 17 times [2021-05-03 18:16:10,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:16:10,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301019267] [2021-05-03 18:16:10,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:16:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:16:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-05-03 18:16:10,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301019267] [2021-05-03 18:16:10,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198905637] [2021-05-03 18:16:10,552 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:16:10,641 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-05-03 18:16:10,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:16:10,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 18:16:10,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:16:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-05-03 18:16:10,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-05-03 18:16:10,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2021-05-03 18:16:10,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114435905] [2021-05-03 18:16:10,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-03 18:16:10,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:16:10,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-03 18:16:10,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-05-03 18:16:10,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:16:10,704 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:16:10,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:16:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-05-03 18:16:10,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:16:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:16:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:16:12,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 18:16:12,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-05-03 18:16:12,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-03 18:16:12,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:16:12,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable528 [2021-05-03 18:16:12,261 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:16:12,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:16:12,261 INFO L82 PathProgramCache]: Analyzing trace with hash 898917248, now seen corresponding path program 18 times [2021-05-03 18:16:12,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:16:12,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709333423] [2021-05-03 18:16:12,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:16:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:16:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-05-03 18:16:12,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709333423] [2021-05-03 18:16:12,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:16:12,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-03 18:16:12,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160360133] [2021-05-03 18:16:12,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-03 18:16:12,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:16:12,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-03 18:16:12,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-05-03 18:16:12,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:16:12,332 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:16:12,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:16:12,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-05-03 18:16:12,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-05-03 18:16:12,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-05-03 18:16:12,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:16:12,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:16:12,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 18:16:12,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-05-03 18:16:12,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-05-03 18:16:12,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:16:12,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:16:19,908 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 52 [2021-05-03 18:16:20,504 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 52 [2021-05-03 18:16:20,947 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-05-03 18:16:21,744 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2021-05-03 18:16:21,942 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2021-05-03 18:16:22,617 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2021-05-03 18:16:22,800 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2021-05-03 18:16:25,434 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2021-05-03 18:16:25,687 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2021-05-03 18:16:25,867 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-05-03 18:16:26,140 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-05-03 18:16:26,308 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2021-05-03 18:16:26,500 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2021-05-03 18:16:30,342 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-05-03 18:16:32,124 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2021-05-03 18:16:32,289 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2021-05-03 18:16:32,485 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2021-05-03 18:16:32,939 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2021-05-03 18:16:33,138 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2021-05-03 18:16:34,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-05-03 18:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-05-03 18:16:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2021-05-03 18:16:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 18:16:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-03 18:16:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-03 18:16:34,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-05-03 18:16:34,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-03 18:16:34,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:16:34,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 18:16:34,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable529 [2021-05-03 18:16:34,432 INFO L202 PluginConnector]: Adding new model nzb-file-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 06:16:34 BasicIcfg [2021-05-03 18:16:34,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-03 18:16:34,433 INFO L168 Benchmark]: Toolchain (without parser) took 98728.23 ms. Allocated memory was 331.4 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 310.7 MB in the beginning and 1.0 GB in the end (delta: -691.3 MB). Peak memory consumption was 789.7 MB. Max. memory is 16.0 GB. [2021-05-03 18:16:34,433 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 331.4 MB. Free memory is still 312.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 18:16:34,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.83 ms. Allocated memory is still 331.4 MB. Free memory was 310.7 MB in the beginning and 309.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 18:16:34,433 INFO L168 Benchmark]: Boogie Preprocessor took 42.91 ms. Allocated memory is still 331.4 MB. Free memory was 309.1 MB in the beginning and 308.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-03 18:16:34,433 INFO L168 Benchmark]: RCFGBuilder took 633.40 ms. Allocated memory is still 331.4 MB. Free memory was 308.0 MB in the beginning and 297.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. [2021-05-03 18:16:34,433 INFO L168 Benchmark]: TraceAbstraction took 98002.74 ms. Allocated memory was 331.4 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 297.8 MB in the beginning and 1.0 GB in the end (delta: -704.3 MB). Peak memory consumption was 776.3 MB. Max. memory is 16.0 GB. [2021-05-03 18:16:34,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 331.4 MB. Free memory is still 312.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 42.83 ms. Allocated memory is still 331.4 MB. Free memory was 310.7 MB in the beginning and 309.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 42.91 ms. Allocated memory is still 331.4 MB. Free memory was 309.1 MB in the beginning and 308.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 633.40 ms. Allocated memory is still 331.4 MB. Free memory was 308.0 MB in the beginning and 297.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 98002.74 ms. Allocated memory was 331.4 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 297.8 MB in the beginning and 1.0 GB in the end (delta: -704.3 MB). Peak memory consumption was 776.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84815, positive: 74081, positive conditional: 74081, positive unconditional: 0, negative: 10734, negative conditional: 10734, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 74081, positive: 74081, positive conditional: 74081, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 74081, positive: 74081, positive conditional: 0, positive unconditional: 74081, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 105, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 105, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 74081, positive: 73976, positive conditional: 0, positive unconditional: 73976, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 105, unknown conditional: 0, unknown unconditional: 105] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 10734 - PositiveResult [Line: 143]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 97879.6ms, OverallIterations: 26, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 74905.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 936, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 235.0ms SsaConstructionTime, 914.6ms SatisfiabilityAnalysisTime, 17401.3ms InterpolantComputationTime, 1064 NumberOfCodeBlocks, 1064 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 1021 ConstructedInterpolants, 107 QuantifiedInterpolants, 11065 SizeOfPredicates, 130 NumberOfNonLiveVariables, 2436 ConjunctsInSsa, 437 ConjunctsInUnsatCore, 43 InterpolantComputations, 10 PerfectInterpolantSequences, 348/843 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...