/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/popl20/horseshoe.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 18:56:48,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 18:56:48,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 18:56:48,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-03 18:56:48,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 18:56:48,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 18:56:48,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 18:56:48,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 18:56:48,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 18:56:48,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 18:56:48,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 18:56:48,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 18:56:48,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 18:56:48,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 18:56:48,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 18:56:48,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 18:56:48,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-03 18:56:48,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 18:56:48,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 18:56:48,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 18:56:48,860 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 18:56:48,902 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 18:56:48,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 18:56:48,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 18:56:48,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 18:56:48,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 18:56:48,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 18:56:48,906 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 18:56:48,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 18:56:48,906 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 18:56:48,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 18:56:48,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 18:56:48,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 18:56:48,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 18:56:48,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 18:56:48,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 18:56:48,907 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 18:56:48,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 18:56:48,907 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 18:56:48,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 18:56:48,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 18:56:48,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 18:56:48,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 18:56:48,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 18:56:48,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 18:56:48,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 18:56:48,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 18:56:48,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 18:56:48,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 18:56:48,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 18:56:48,909 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 18:56:48,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 18:56:48,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 18:56:48,909 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-05-03 18:56:48,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 18:56:49,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 18:56:49,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 18:56:49,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 18:56:49,548 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 18:56:49,554 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 18:56:49,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl [2021-05-03 18:56:49,557 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl' [2021-05-03 18:56:49,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 18:56:49,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 18:56:49,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 18:56:49,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 18:56:49,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 18:56:49,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (1/1) ... [2021-05-03 18:56:49,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (1/1) ... [2021-05-03 18:56:49,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 18:56:49,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 18:56:49,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 18:56:49,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 18:56:49,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (1/1) ... [2021-05-03 18:56:49,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (1/1) ... [2021-05-03 18:56:49,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (1/1) ... [2021-05-03 18:56:49,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (1/1) ... [2021-05-03 18:56:49,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (1/1) ... [2021-05-03 18:56:49,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (1/1) ... [2021-05-03 18:56:49,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (1/1) ... [2021-05-03 18:56:49,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 18:56:49,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 18:56:49,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 18:56:49,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 18:56:49,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (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 18:56:49,775 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 18:56:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 18:56:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 18:56:49,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 18:56:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 18:56:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 18:56:49,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 18:56:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 18:56:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 18:56:49,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-03 18:56:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-03 18:56:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-03 18:56:49,778 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 18:56:50,115 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 18:56:50,116 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 18:56:50,119 INFO L202 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:56:50 BoogieIcfgContainer [2021-05-03 18:56:50,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 18:56:50,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 18:56:50,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 18:56:50,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 18:56:50,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:56:49" (1/2) ... [2021-05-03 18:56:50,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cfc50aa and model type horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 06:56:50, skipping insertion in model container [2021-05-03 18:56:50,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:56:50" (2/2) ... [2021-05-03 18:56:50,146 INFO L111 eAbstractionObserver]: Analyzing ICFG horseshoe.wvr.bpl [2021-05-03 18:56:50,152 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 18:56:50,153 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 18:56:50,172 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 18:56:50,174 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 18:56:50,246 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-03 18:56:50,266 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 18:56:50,330 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 18:56:50,330 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 18:56:50,331 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 18:56:50,331 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 18:56:50,331 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 18:56:50,331 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 18:56:50,331 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 18:56:50,331 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 18:56:50,558 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:56:50,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:56:50,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1806525901, now seen corresponding path program 1 times [2021-05-03 18:56:50,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:56:50,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206247801] [2021-05-03 18:56:50,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:56:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:56:50,786 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 18:56:50,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206247801] [2021-05-03 18:56:50,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:56:50,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-03 18:56:50,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446224765] [2021-05-03 18:56:50,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 18:56:50,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:56:50,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 18:56:50,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 18:56:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:50,827 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:56:50,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 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 18:56:50,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:50,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 18:56:50,903 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:56:50,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:56:50,907 INFO L82 PathProgramCache]: Analyzing trace with hash -680463533, now seen corresponding path program 1 times [2021-05-03 18:56:50,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:56:50,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918437808] [2021-05-03 18:56:50,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:56:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:56:50,989 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 18:56:50,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918437808] [2021-05-03 18:56:50,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 18:56:50,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-03 18:56:50,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609625079] [2021-05-03 18:56:50,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 18:56:50,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:56:51,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 18:56:51,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 18:56:51,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:51,002 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:56:51,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:56:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:51,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:51,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-03 18:56:51,057 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:56:51,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:56:51,059 INFO L82 PathProgramCache]: Analyzing trace with hash 855981936, now seen corresponding path program 1 times [2021-05-03 18:56:51,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:56:51,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244802012] [2021-05-03 18:56:51,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:56:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:56:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:56:51,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244802012] [2021-05-03 18:56:51,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466958101] [2021-05-03 18:56:51,562 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 18:56:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:56:51,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2021-05-03 18:56:51,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:56:51,803 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 11 treesize of output 7 [2021-05-03 18:56:51,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:56:51,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:56:51,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:56:51,823 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2021-05-03 18:56:51,999 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 27 treesize of output 19 [2021-05-03 18:56:52,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:56:52,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:56:52,012 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:56:52,013 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2021-05-03 18:56:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:56:52,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:56:52,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2021-05-03 18:56:52,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605846649] [2021-05-03 18:56:52,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-03 18:56:52,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:56:52,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-03 18:56:52,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-05-03 18:56:52,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:52,100 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:56:52,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:56:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:52,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:52,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:52,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:52,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:56:52,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:56:52,621 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:56:52,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:56:52,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1467128017, now seen corresponding path program 1 times [2021-05-03 18:56:52,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:56:52,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113667587] [2021-05-03 18:56:52,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:56:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:56:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:56:52,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113667587] [2021-05-03 18:56:52,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626187080] [2021-05-03 18:56:52,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 18:56:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:56:52,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2021-05-03 18:56:52,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:56:52,951 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 15 treesize of output 7 [2021-05-03 18:56:52,958 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:56:52,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:56:52,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:56:52,966 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:7 [2021-05-03 18:56:53,056 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 11 treesize of output 7 [2021-05-03 18:56:53,061 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:56:53,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:56:53,064 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:56:53,064 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-05-03 18:56:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 18:56:53,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:56:53,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-05-03 18:56:53,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406437811] [2021-05-03 18:56:53,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-03 18:56:53,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:56:53,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-03 18:56:53,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-05-03 18:56:53,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:53,103 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:56:53,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:56:53,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:53,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:53,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:56:53,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:53,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:53,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:53,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:56:53,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:56:53,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:56:53,525 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:56:53,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:56:53,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1993106764, now seen corresponding path program 2 times [2021-05-03 18:56:53,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:56:53,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311916439] [2021-05-03 18:56:53,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:56:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:56:54,118 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:56:54,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311916439] [2021-05-03 18:56:54,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30936601] [2021-05-03 18:56:54,119 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 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 18:56:54,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 18:56:54,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:56:54,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 41 conjunts are in the unsatisfiable core [2021-05-03 18:56:54,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:56:54,568 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-05-03 18:56:54,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-05-03 18:56:54,573 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:56:54,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:56:54,585 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:56:54,586 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:27 [2021-05-03 18:56:55,198 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-05-03 18:56:55,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 28 [2021-05-03 18:56:55,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:56:55,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:56:55,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:56:55,216 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:25 [2021-05-03 18:56:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:56:55,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:56:55,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 36 [2021-05-03 18:56:55,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394800658] [2021-05-03 18:56:55,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-03 18:56:55,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:56:55,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-03 18:56:55,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-05-03 18:56:55,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:55,365 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:56:55,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.972972972972973) internal successors, (73), 36 states have internal predecessors, (73), 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 18:56:55,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:55,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:55,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:56:55,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:56:55,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:56,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:56:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:56:56,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:56:56,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:56:56,693 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:56:56,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:56:56,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1456753299, now seen corresponding path program 3 times [2021-05-03 18:56:56,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:56:56,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941004617] [2021-05-03 18:56:56,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:56:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:56:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:56:56,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941004617] [2021-05-03 18:56:56,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060222716] [2021-05-03 18:56:56,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:56:56,950 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-05-03 18:56:56,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:56:56,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 24 conjunts are in the unsatisfiable core [2021-05-03 18:56:56,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:56:57,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:56:57,295 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 13 treesize of output 7 [2021-05-03 18:56:57,299 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:56:57,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:56:57,309 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:56:57,309 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:9 [2021-05-03 18:56:57,388 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 11 treesize of output 7 [2021-05-03 18:56:57,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:56:57,392 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:56:57,393 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:56:57,394 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-05-03 18:56:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:56:57,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:56:57,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-05-03 18:56:57,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331330444] [2021-05-03 18:56:57,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-03 18:56:57,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:56:57,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-03 18:56:57,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-05-03 18:56:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:57,408 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:56:57,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.5555555555555554) internal successors, (64), 17 states have internal predecessors, (64), 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 18:56:57,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:57,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:57,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:56:57,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:56:57,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:56:57,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:56:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:56:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:56:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:56:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:56:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:56:58,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-03 18:56:58,149 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:56:58,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:56:58,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1191011466, now seen corresponding path program 4 times [2021-05-03 18:56:58,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:56:58,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064812805] [2021-05-03 18:56:58,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:56:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:56:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:56:59,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064812805] [2021-05-03 18:56:59,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363711500] [2021-05-03 18:56:59,099 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:56:59,148 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 18:56:59,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:56:59,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 61 conjunts are in the unsatisfiable core [2021-05-03 18:56:59,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:56:59,881 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-05-03 18:56:59,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 32 [2021-05-03 18:56:59,887 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:56:59,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:56:59,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:56:59,900 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:40 [2021-05-03 18:57:00,803 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-05-03 18:57:00,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 38 [2021-05-03 18:57:00,807 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:00,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:00,815 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:00,816 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:25 [2021-05-03 18:57:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:57:00,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:57:00,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24] total 51 [2021-05-03 18:57:00,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714606803] [2021-05-03 18:57:00,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-05-03 18:57:00,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:57:00,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-05-03 18:57:00,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2527, Unknown=0, NotChecked=0, Total=2652 [2021-05-03 18:57:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:00,997 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:57:00,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.8653846153846154) internal successors, (97), 51 states have internal predecessors, (97), 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 18:57:00,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:00,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:00,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:00,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:00,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:00,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:00,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:04,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:04,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:57:04,529 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:57:04,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:57:04,530 INFO L82 PathProgramCache]: Analyzing trace with hash -2140251511, now seen corresponding path program 5 times [2021-05-03 18:57:04,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:57:04,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387075910] [2021-05-03 18:57:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:57:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:57:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:57:04,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387075910] [2021-05-03 18:57:04,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547981172] [2021-05-03 18:57:04,762 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:57:04,813 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-05-03 18:57:04,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:57:04,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 30 conjunts are in the unsatisfiable core [2021-05-03 18:57:04,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:57:05,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:57:05,221 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 11 treesize of output 7 [2021-05-03 18:57:05,223 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:05,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:05,232 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:05,233 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:9 [2021-05-03 18:57:05,317 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 11 treesize of output 7 [2021-05-03 18:57:05,320 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:05,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:05,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:05,323 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-05-03 18:57:05,336 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:57:05,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:57:05,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-05-03 18:57:05,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132877076] [2021-05-03 18:57:05,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-05-03 18:57:05,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:57:05,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-05-03 18:57:05,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=499, Unknown=0, NotChecked=0, Total=552 [2021-05-03 18:57:05,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:05,339 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:57:05,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 3.375) internal successors, (81), 23 states have internal predecessors, (81), 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 18:57:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:05,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:57:06,337 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:57:06,337 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:57:06,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:57:06,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1007674458, now seen corresponding path program 6 times [2021-05-03 18:57:06,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:57:06,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394491919] [2021-05-03 18:57:06,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:57:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:57:07,700 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:57:07,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394491919] [2021-05-03 18:57:07,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086105402] [2021-05-03 18:57:07,701 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:57:07,750 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-05-03 18:57:07,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:57:07,752 WARN L261 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 85 conjunts are in the unsatisfiable core [2021-05-03 18:57:07,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:57:08,932 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-05-03 18:57:08,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 94 treesize of output 58 [2021-05-03 18:57:08,935 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:08,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:08,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:08,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:102, output treesize:57 [2021-05-03 18:57:10,162 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-05-03 18:57:10,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-05-03 18:57:10,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:10,174 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:10,176 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:10,176 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:98, output treesize:23 [2021-05-03 18:57:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:57:10,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:57:10,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 30] total 66 [2021-05-03 18:57:10,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352545464] [2021-05-03 18:57:10,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-05-03 18:57:10,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:57:10,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-05-03 18:57:10,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=4255, Unknown=0, NotChecked=0, Total=4422 [2021-05-03 18:57:10,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:10,374 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:57:10,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 66 states have internal predecessors, (121), 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 18:57:10,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:10,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:10,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:10,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:10,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:10,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:10,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:10,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:57:10,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:15,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:15,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:15,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:57:15,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:57:15,377 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-05-03 18:57:15,377 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:57:15,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:57:15,378 INFO L82 PathProgramCache]: Analyzing trace with hash -511203961, now seen corresponding path program 7 times [2021-05-03 18:57:15,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:57:15,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253223750] [2021-05-03 18:57:15,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:57:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:57:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:57:15,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253223750] [2021-05-03 18:57:15,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311137799] [2021-05-03 18:57:15,772 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:57:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:57:15,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 36 conjunts are in the unsatisfiable core [2021-05-03 18:57:15,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:57:16,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:57:16,273 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 13 treesize of output 7 [2021-05-03 18:57:16,275 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:16,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:16,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:16,285 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:9 [2021-05-03 18:57:16,363 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 11 treesize of output 7 [2021-05-03 18:57:16,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:16,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:16,367 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:16,367 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-05-03 18:57:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 18:57:16,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:57:16,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 28 [2021-05-03 18:57:16,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734071849] [2021-05-03 18:57:16,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-03 18:57:16,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:57:16,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-03 18:57:16,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2021-05-03 18:57:16,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:16,382 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:57:16,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.206896551724138) internal successors, (93), 28 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 18:57:16,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:16,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:16,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:16,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:16,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:16,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:16,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:16,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:57:16,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:57:16,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:57:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:57:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:57:17,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:57:17,507 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:57:17,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:57:17,508 INFO L82 PathProgramCache]: Analyzing trace with hash 290437028, now seen corresponding path program 8 times [2021-05-03 18:57:17,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:57:17,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57466559] [2021-05-03 18:57:17,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:57:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:57:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:57:19,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57466559] [2021-05-03 18:57:19,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317434826] [2021-05-03 18:57:19,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:57:19,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 18:57:19,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:57:19,658 WARN L261 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 101 conjunts are in the unsatisfiable core [2021-05-03 18:57:19,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:57:21,586 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-05-03 18:57:21,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 122 treesize of output 78 [2021-05-03 18:57:21,591 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:21,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:21,610 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:21,610 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:130, output treesize:72 [2021-05-03 18:57:23,772 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-05-03 18:57:23,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 53 [2021-05-03 18:57:23,776 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:23,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:23,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:23,787 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:131, output treesize:25 [2021-05-03 18:57:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:57:24,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:57:24,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 36] total 81 [2021-05-03 18:57:24,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419076774] [2021-05-03 18:57:24,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-05-03 18:57:24,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:57:24,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-05-03 18:57:24,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=6420, Unknown=0, NotChecked=0, Total=6642 [2021-05-03 18:57:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:24,045 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:57:24,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 81 states have internal predecessors, (145), 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 18:57:24,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:24,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:24,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:24,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:24,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:57:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:57:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:57:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:28,307 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-05-03 18:57:30,919 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-05-03 18:57:31,206 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-05-03 18:57:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:57:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:57:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:57:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:57:32,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:57:32,614 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:57:32,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:57:32,615 INFO L82 PathProgramCache]: Analyzing trace with hash 2064280547, now seen corresponding path program 9 times [2021-05-03 18:57:32,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:57:32,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965413650] [2021-05-03 18:57:32,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:57:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:57:33,171 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:57:33,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965413650] [2021-05-03 18:57:33,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153358992] [2021-05-03 18:57:33,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:57:33,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-05-03 18:57:33,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:57:33,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 44 conjunts are in the unsatisfiable core [2021-05-03 18:57:33,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:57:33,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:57:33,972 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 13 treesize of output 7 [2021-05-03 18:57:33,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:33,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:33,990 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:33,991 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:9 [2021-05-03 18:57:34,091 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 11 treesize of output 7 [2021-05-03 18:57:34,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:34,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:34,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:34,097 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-05-03 18:57:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 18:57:34,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:57:34,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 34 [2021-05-03 18:57:34,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762366974] [2021-05-03 18:57:34,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-05-03 18:57:34,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:57:34,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-05-03 18:57:34,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1112, Unknown=0, NotChecked=0, Total=1190 [2021-05-03 18:57:34,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:34,113 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:57:34,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.142857142857143) internal successors, (110), 34 states have internal predecessors, (110), 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 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:57:34,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:57:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:57:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:57:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:57:35,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:57:36,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-05-03 18:57:36,166 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:57:36,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:57:36,174 INFO L82 PathProgramCache]: Analyzing trace with hash 84930560, now seen corresponding path program 10 times [2021-05-03 18:57:36,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:57:36,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785646035] [2021-05-03 18:57:36,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:57:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:57:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:57:39,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785646035] [2021-05-03 18:57:39,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195122537] [2021-05-03 18:57:39,925 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 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 18:57:39,967 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 18:57:39,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:57:39,970 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 121 conjunts are in the unsatisfiable core [2021-05-03 18:57:39,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:57:43,864 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-05-03 18:57:43,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 154 treesize of output 86 [2021-05-03 18:57:43,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:43,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:43,889 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:43,889 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:162, output treesize:77 [2021-05-03 18:57:47,881 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-05-03 18:57:47,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 148 treesize of output 58 [2021-05-03 18:57:47,887 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:57:47,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:57:47,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:57:47,902 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:148, output treesize:25 [2021-05-03 18:57:48,326 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:57:48,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:57:48,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 42] total 96 [2021-05-03 18:57:48,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389036849] [2021-05-03 18:57:48,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-05-03 18:57:48,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:57:48,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-05-03 18:57:48,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=9043, Unknown=0, NotChecked=0, Total=9312 [2021-05-03 18:57:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:48,331 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:57:48,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 97 states, 97 states have (on average 1.7422680412371134) internal successors, (169), 96 states have internal predecessors, (169), 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 18:57:48,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:48,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:57:48,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:57:48,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:57:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:57:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:57:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:57:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:57:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:57:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:57:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:57:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:57:48,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:57:52,313 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2021-05-03 18:57:58,230 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-05-03 18:57:59,660 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-05-03 18:58:00,110 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-05-03 18:58:00,561 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-05-03 18:58:01,414 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2021-05-03 18:58:01,876 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 63 [2021-05-03 18:58:02,502 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 59 [2021-05-03 18:58:02,905 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2021-05-03 18:58:03,396 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 58 [2021-05-03 18:58:03,854 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 54 [2021-05-03 18:58:05,163 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-05-03 18:58:05,713 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-05-03 18:58:07,370 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2021-05-03 18:58:07,866 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-05-03 18:58:08,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:58:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:58:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 18:58:08,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-05-03 18:58:08,579 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:58:08,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:58:08,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1082966945, now seen corresponding path program 11 times [2021-05-03 18:58:08,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:58:08,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432464371] [2021-05-03 18:58:08,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:58:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:58:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:58:09,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432464371] [2021-05-03 18:58:09,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835374640] [2021-05-03 18:58:09,866 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 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 18:58:09,929 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-05-03 18:58:09,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:58:09,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 50 conjunts are in the unsatisfiable core [2021-05-03 18:58:09,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:58:11,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:58:11,461 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 11 treesize of output 7 [2021-05-03 18:58:11,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:58:11,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:58:11,477 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:58:11,477 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:9 [2021-05-03 18:58:11,632 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 11 treesize of output 7 [2021-05-03 18:58:11,635 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:58:11,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:58:11,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:58:11,639 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-05-03 18:58:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 18:58:11,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:58:11,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 40 [2021-05-03 18:58:11,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413777219] [2021-05-03 18:58:11,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-03 18:58:11,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:58:11,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-03 18:58:11,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1548, Unknown=0, NotChecked=0, Total=1640 [2021-05-03 18:58:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:58:11,661 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:58:11,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 3.097560975609756) internal successors, (127), 40 states have internal predecessors, (127), 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 18:58:11,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 18:58:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:58:15,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:58:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 18:58:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 18:58:15,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-05-03 18:58:15,476 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:58:15,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:58:15,476 INFO L82 PathProgramCache]: Analyzing trace with hash 235157694, now seen corresponding path program 12 times [2021-05-03 18:58:15,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:58:15,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716731667] [2021-05-03 18:58:15,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:58:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:58:22,337 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:58:22,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716731667] [2021-05-03 18:58:22,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695470443] [2021-05-03 18:58:22,337 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 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 18:58:22,389 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-05-03 18:58:22,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:58:22,392 WARN L261 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 148 conjunts are in the unsatisfiable core [2021-05-03 18:58:22,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:58:29,927 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-05-03 18:58:29,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 162 treesize of output 90 [2021-05-03 18:58:29,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:58:29,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:58:29,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:58:29,978 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:170, output treesize:96 [2021-05-03 18:58:38,788 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-05-03 18:58:38,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 156 treesize of output 56 [2021-05-03 18:58:38,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:58:38,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:58:38,836 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:58:38,836 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:156, output treesize:15 [2021-05-03 18:58:39,570 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:58:39,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:58:39,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 50] total 113 [2021-05-03 18:58:39,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586294321] [2021-05-03 18:58:39,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 114 states [2021-05-03 18:58:39,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:58:39,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2021-05-03 18:58:39,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=12501, Unknown=0, NotChecked=0, Total=12882 [2021-05-03 18:58:39,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:58:39,575 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:58:39,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 114 states, 114 states have (on average 1.6929824561403508) internal successors, (193), 113 states have internal predecessors, (193), 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 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 18:58:39,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-03 18:58:39,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:58:42,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:42,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:42,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 18:58:42,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 18:58:42,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:58:42,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 18:58:42,775 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:58:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:58:42,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1995091073, now seen corresponding path program 13 times [2021-05-03 18:58:42,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:58:42,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832558447] [2021-05-03 18:58:42,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:58:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:58:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-05-03 18:58:43,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832558447] [2021-05-03 18:58:43,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38192225] [2021-05-03 18:58:43,392 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 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 18:58:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:58:43,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 30 conjunts are in the unsatisfiable core [2021-05-03 18:58:43,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:58:44,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:58:44,831 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 11 treesize of output 7 [2021-05-03 18:58:44,834 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:58:44,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:58:44,856 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:58:44,856 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-05-03 18:58:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-05-03 18:58:45,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:58:45,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-05-03 18:58:45,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067730932] [2021-05-03 18:58:45,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-05-03 18:58:45,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:58:45,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-05-03 18:58:45,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2021-05-03 18:58:45,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:58:45,085 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:58:45,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.5) internal successors, (117), 25 states have internal predecessors, (117), 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 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:58:45,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 18:58:45,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-03 18:58:45,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:58:45,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:58:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:58:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:58:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:58:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:58:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:58:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:58:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:58:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:58:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:58:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:58:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 18:58:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 18:58:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:58:46,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:58:46,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-05-03 18:58:46,790 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:58:46,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:58:46,790 INFO L82 PathProgramCache]: Analyzing trace with hash 403544893, now seen corresponding path program 14 times [2021-05-03 18:58:46,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:58:46,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465131875] [2021-05-03 18:58:46,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:58:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:58:48,957 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 18:58:48,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465131875] [2021-05-03 18:58:48,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007784479] [2021-05-03 18:58:48,957 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 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 18:58:49,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 18:58:49,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:58:49,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 60 conjunts are in the unsatisfiable core [2021-05-03 18:58:49,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:58:51,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:58:51,953 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 13 treesize of output 7 [2021-05-03 18:58:51,957 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:58:51,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:58:51,979 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:58:51,979 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:9 [2021-05-03 18:58:52,282 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 11 treesize of output 7 [2021-05-03 18:58:52,286 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:58:52,290 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:58:52,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:58:52,293 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-05-03 18:58:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 18:58:52,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:58:52,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 46 [2021-05-03 18:58:52,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097743795] [2021-05-03 18:58:52,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-05-03 18:58:52,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:58:52,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-05-03 18:58:52,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=2056, Unknown=0, NotChecked=0, Total=2162 [2021-05-03 18:58:52,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:58:52,335 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:58:52,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 3.0638297872340425) internal successors, (144), 46 states have internal predecessors, (144), 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 18:58:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:58:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:58:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:58:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:58:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:58:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:58:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:58:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:58:52,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:58:52,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:58:52,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:58:52,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 18:58:52,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-03 18:58:52,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:58:52,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:58:52,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:59:00,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:59:00,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:59:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:59:00,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-03 18:59:00,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-05-03 18:59:00,439 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 18:59:00,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 18:59:00,439 INFO L82 PathProgramCache]: Analyzing trace with hash 64479834, now seen corresponding path program 15 times [2021-05-03 18:59:00,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 18:59:00,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967814363] [2021-05-03 18:59:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 18:59:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 18:59:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:59:14,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967814363] [2021-05-03 18:59:14,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81630551] [2021-05-03 18:59:14,404 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 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 18:59:14,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-05-03 18:59:14,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 18:59:14,469 WARN L261 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 164 conjunts are in the unsatisfiable core [2021-05-03 18:59:14,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 18:59:20,009 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 18:59:28,611 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-05-03 18:59:29,327 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-05-03 18:59:29,404 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-05-03 18:59:29,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 187 treesize of output 111 [2021-05-03 18:59:29,413 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:59:29,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:59:29,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:59:29,487 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:195, output treesize:92 [2021-05-03 18:59:32,588 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 18:59:37,934 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-05-03 18:59:45,398 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 18:59:46,402 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 18:59:47,577 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 18:59:48,690 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 18:59:48,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 18:59:48,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 18:59:48,928 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-05-03 18:59:48,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 69 [2021-05-03 18:59:48,937 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 18:59:48,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 18:59:48,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 18:59:48,982 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:213, output treesize:27 [2021-05-03 18:59:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 18:59:50,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 18:59:50,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 54] total 126 [2021-05-03 18:59:50,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829260972] [2021-05-03 18:59:50,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 127 states [2021-05-03 18:59:50,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 18:59:50,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2021-05-03 18:59:50,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=15664, Unknown=0, NotChecked=0, Total=16002 [2021-05-03 18:59:50,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:59:50,553 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 18:59:50,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 127 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 126 states have internal predecessors, (217), 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 18:59:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:59:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 18:59:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 18:59:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 18:59:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 18:59:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:59:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 18:59:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 18:59:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 18:59:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 18:59:50,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 18:59:50,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 18:59:50,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 18:59:50,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-03 18:59:50,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 18:59:50,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 18:59:50,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-05-03 18:59:50,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 18:59:52,862 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2021-05-03 18:59:53,493 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2021-05-03 18:59:54,122 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2021-05-03 18:59:59,909 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2021-05-03 19:00:01,400 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2021-05-03 19:00:02,452 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2021-05-03 19:00:04,312 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-05-03 19:00:05,335 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 60 [2021-05-03 19:00:06,484 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 56 [2021-05-03 19:00:07,443 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2021-05-03 19:00:08,226 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2021-05-03 19:00:09,649 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-05-03 19:00:10,541 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-05-03 19:00:11,341 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2021-05-03 19:00:13,010 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-05-03 19:00:13,931 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 71 [2021-05-03 19:00:14,907 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-05-03 19:00:15,806 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-05-03 19:00:16,656 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2021-05-03 19:00:18,185 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-05-03 19:00:21,027 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 19:00:23,211 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 52 [2021-05-03 19:00:23,660 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 52 [2021-05-03 19:00:27,058 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2021-05-03 19:00:27,968 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-03 19:00:28,769 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 82 [2021-05-03 19:00:30,230 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2021-05-03 19:00:31,084 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 74 [2021-05-03 19:00:31,933 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2021-05-03 19:00:32,988 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2021-05-03 19:00:33,854 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2021-05-03 19:00:34,564 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-05-03 19:00:35,731 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-05-03 19:00:36,524 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-05-03 19:00:37,366 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2021-05-03 19:00:38,173 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-05-03 19:00:38,967 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2021-05-03 19:00:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:00:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:00:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:00:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:00:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:00:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:00:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:00:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:00:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:00:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:00:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:00:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:00:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:00:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:00:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:00:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:00:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:00:42,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:00:42,276 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-05-03 19:00:42,276 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:00:42,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:00:42,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1690505147, now seen corresponding path program 16 times [2021-05-03 19:00:42,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:00:42,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587159707] [2021-05-03 19:00:42,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:00:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:00:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 19:00:45,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587159707] [2021-05-03 19:00:45,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325917715] [2021-05-03 19:00:45,284 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 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 19:00:45,332 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 19:00:45,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:00:45,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 68 conjunts are in the unsatisfiable core [2021-05-03 19:00:45,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:00:49,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:00:49,529 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 13 treesize of output 7 [2021-05-03 19:00:49,534 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:00:49,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:00:49,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:00:49,563 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:9 [2021-05-03 19:00:50,046 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 11 treesize of output 7 [2021-05-03 19:00:50,051 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:00:50,057 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:00:50,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:00:50,060 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-05-03 19:00:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 398 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 19:00:50,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:00:50,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35] total 52 [2021-05-03 19:00:50,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323016488] [2021-05-03 19:00:50,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-03 19:00:50,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:00:50,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-03 19:00:50,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2636, Unknown=0, NotChecked=0, Total=2756 [2021-05-03 19:00:50,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:00:50,134 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:00:50,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.0377358490566038) internal successors, (161), 52 states have internal predecessors, (161), 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 19:00:50,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:00:50,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:00:50,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:00:50,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:00:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:01:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:01:01,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:01:01,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:01:01,948 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:01:01,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:01:01,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1470293976, now seen corresponding path program 17 times [2021-05-03 19:01:01,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:01:01,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518802916] [2021-05-03 19:01:01,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:01:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:01:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:01:24,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518802916] [2021-05-03 19:01:24,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925089783] [2021-05-03 19:01:24,588 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:01:24,640 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-05-03 19:01:24,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:01:24,643 WARN L261 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 176 conjunts are in the unsatisfiable core [2021-05-03 19:01:24,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:01:34,552 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 19:01:35,263 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-03 19:01:36,821 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-03 19:01:37,655 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-05-03 19:01:38,583 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-05-03 19:01:39,403 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-05-03 19:01:40,244 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-05-03 19:01:41,000 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-05-03 19:01:41,859 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-05-03 19:01:42,709 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-05-03 19:01:43,569 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-05-03 19:01:44,478 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-05-03 19:01:45,392 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-05-03 19:01:46,310 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-05-03 19:01:47,308 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-05-03 19:01:48,246 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-05-03 19:01:49,376 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-05-03 19:01:49,451 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-05-03 19:01:49,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 258 treesize of output 142 [2021-05-03 19:01:49,462 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:01:49,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:01:49,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:01:49,565 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:266, output treesize:126 [2021-05-03 19:01:55,625 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-05-03 19:01:59,958 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-05-03 19:02:07,415 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-05-03 19:02:10,035 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-05-03 19:02:21,761 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-05-03 19:02:23,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:02:23,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:02:23,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:02:23,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:02:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:02:23,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:02:23,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:02:23,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 19:02:23,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:02:23,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:02:23,632 INFO L244 Elim1Store]: Index analysis took 313 ms [2021-05-03 19:02:23,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 82 [2021-05-03 19:02:23,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:02:23,742 INFO L628 ElimStorePlain]: treesize reduction 6, result has 80.6 percent of original size [2021-05-03 19:02:23,748 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:02:23,748 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:230, output treesize:17 [2021-05-03 19:02:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:02:26,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:02:26,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 64] total 145 [2021-05-03 19:02:26,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473643765] [2021-05-03 19:02:26,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 146 states [2021-05-03 19:02:26,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:02:26,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2021-05-03 19:02:26,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=20857, Unknown=0, NotChecked=0, Total=21170 [2021-05-03 19:02:26,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:02:26,030 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:02:26,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 146 states, 146 states have (on average 1.6506849315068493) internal successors, (241), 145 states have internal predecessors, (241), 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 19:02:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:02:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:02:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:02:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:02:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:02:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:02:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:02:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:02:26,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:02:30,014 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2021-05-03 19:02:31,115 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2021-05-03 19:02:32,227 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2021-05-03 19:02:33,387 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2021-05-03 19:02:34,457 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2021-05-03 19:02:35,638 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2021-05-03 19:02:36,828 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:02:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:02:41,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:02:41,425 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:02:41,425 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:02:41,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:02:41,426 INFO L82 PathProgramCache]: Analyzing trace with hash 2146439065, now seen corresponding path program 18 times [2021-05-03 19:02:41,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:02:41,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960176453] [2021-05-03 19:02:41,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:02:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:02:42,810 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-05-03 19:02:42,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960176453] [2021-05-03 19:02:42,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982953938] [2021-05-03 19:02:42,810 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:02:42,868 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-05-03 19:02:42,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:02:42,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 40 conjunts are in the unsatisfiable core [2021-05-03 19:02:42,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:02:46,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:02:46,212 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 13 treesize of output 7 [2021-05-03 19:02:46,220 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:02:46,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:02:46,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:02:46,259 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-05-03 19:02:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-05-03 19:02:46,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:02:46,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-05-03 19:02:46,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404132805] [2021-05-03 19:02:46,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-05-03 19:02:46,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:02:46,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-05-03 19:02:46,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=921, Unknown=0, NotChecked=0, Total=992 [2021-05-03 19:02:46,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:02:46,885 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:02:46,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 4.46875) internal successors, (143), 31 states have internal predecessors, (143), 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 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:02:46,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:02:46,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:02:46,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:02:46,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:02:46,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:02:46,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:02:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:02:50,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:02:50,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:02:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 19:02:50,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-05-03 19:02:50,689 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:02:50,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:02:50,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1420028055, now seen corresponding path program 19 times [2021-05-03 19:02:50,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:02:50,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360246351] [2021-05-03 19:02:50,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:02:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:02:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 504 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 19:02:56,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360246351] [2021-05-03 19:02:56,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865139422] [2021-05-03 19:02:56,051 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:02:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:02:56,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 76 conjunts are in the unsatisfiable core [2021-05-03 19:02:56,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:03:03,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:03:03,013 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 13 treesize of output 7 [2021-05-03 19:03:03,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:03:03,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:03:03,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:03:03,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:9 [2021-05-03 19:03:04,001 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 11 treesize of output 7 [2021-05-03 19:03:04,009 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:03:04,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:03:04,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:03:04,021 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-05-03 19:03:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 502 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 19:03:04,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:03:04,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39] total 58 [2021-05-03 19:03:04,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040240636] [2021-05-03 19:03:04,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-05-03 19:03:04,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:03:04,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-05-03 19:03:04,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=3288, Unknown=0, NotChecked=0, Total=3422 [2021-05-03 19:03:04,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:03:04,131 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:03:04,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 3.016949152542373) internal successors, (178), 58 states have internal predecessors, (178), 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 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 19:03:04,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:03:24,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:03:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 19:03:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:03:24,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-05-03 19:03:24,722 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:03:24,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:03:24,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1198781108, now seen corresponding path program 20 times [2021-05-03 19:03:24,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:03:24,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812395961] [2021-05-03 19:03:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:03:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:03:27,105 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-05-03 19:03:27,399 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 19:03:27,683 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-05-03 19:03:27,991 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-05-03 19:03:28,303 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-05-03 19:03:28,602 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-05-03 19:03:28,903 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-05-03 19:03:29,298 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-05-03 19:03:29,647 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-05-03 19:03:29,948 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-05-03 19:03:30,234 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-05-03 19:03:30,600 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 19:03:30,940 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 19:03:31,250 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-05-03 19:03:31,600 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2021-05-03 19:03:31,950 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 19:03:32,296 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 19:03:46,960 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-05-03 19:03:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:03:58,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812395961] [2021-05-03 19:03:58,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684294863] [2021-05-03 19:03:58,718 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:03:58,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 19:03:58,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:03:58,783 WARN L261 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 203 conjunts are in the unsatisfiable core [2021-05-03 19:03:58,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:04:05,675 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 19:04:07,393 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:04:08,162 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-05-03 19:04:08,897 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 19:04:09,730 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-05-03 19:04:10,499 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 19:04:11,275 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-05-03 19:04:12,243 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-05-03 19:04:13,086 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 19:04:13,925 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-05-03 19:04:14,758 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 19:04:15,601 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-05-03 19:04:16,527 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-05-03 19:04:17,462 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-05-03 19:04:18,345 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-05-03 19:04:19,241 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-05-03 19:04:20,232 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-05-03 19:04:21,279 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-05-03 19:04:22,250 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-05-03 19:04:23,231 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-05-03 19:04:24,204 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-05-03 19:04:25,207 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-05-03 19:04:26,251 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-05-03 19:04:27,351 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-05-03 19:04:28,444 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-05-03 19:04:29,600 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-05-03 19:04:30,707 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-05-03 19:04:31,802 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-05-03 19:04:31,895 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-05-03 19:04:31,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 238 treesize of output 138 [2021-05-03 19:04:31,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:04:32,021 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 19:04:32,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:04:32,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:04:32,028 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:246, output treesize:145 [2021-05-03 19:04:32,913 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 19:04:34,002 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:04:35,133 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:04:36,410 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-05-03 19:04:37,526 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:04:38,706 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:04:39,892 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-05-03 19:04:41,101 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 19:04:42,297 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:04:43,549 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:04:44,751 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:04:46,042 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:04:47,325 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:04:48,582 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:04:49,917 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:04:51,284 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:04:52,551 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:04:53,931 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:04:55,311 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:04:56,704 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:04:58,118 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:04:59,680 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 19:05:01,213 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 19:05:01,318 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-05-03 19:05:01,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 237 treesize of output 77 [2021-05-03 19:05:01,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:05:01,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:05:01,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:05:01,389 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:237, output treesize:22 [2021-05-03 19:05:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 19:05:04,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:05:04,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 64] total 147 [2021-05-03 19:05:04,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827749840] [2021-05-03 19:05:04,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 148 states [2021-05-03 19:05:04,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:05:04,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2021-05-03 19:05:04,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=476, Invalid=21280, Unknown=0, NotChecked=0, Total=21756 [2021-05-03 19:05:04,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:05:04,010 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:05:04,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 148 states, 148 states have (on average 1.7905405405405406) internal successors, (265), 147 states have internal predecessors, (265), 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 19:05:04,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:05:04,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:05:04,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:05:04,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:05:04,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:05:04,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:05:31,762 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2021-05-03 19:05:36,692 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2021-05-03 19:05:38,950 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 56 [2021-05-03 19:05:42,735 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2021-05-03 19:05:45,674 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 59 [2021-05-03 19:05:47,692 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 62 [2021-05-03 19:05:49,759 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 58 [2021-05-03 19:05:52,744 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2021-05-03 19:05:55,522 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 120 DAG size of output: 72 [2021-05-03 19:05:58,370 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2021-05-03 19:06:00,519 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 65 [2021-05-03 19:06:03,391 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2021-05-03 19:06:05,751 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 67 [2021-05-03 19:06:08,909 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 84 [2021-05-03 19:06:11,521 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-05-03 19:06:14,147 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-05-03 19:06:16,373 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 65 [2021-05-03 19:06:19,310 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2021-05-03 19:06:21,732 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 66 [2021-05-03 19:06:24,577 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2021-05-03 19:06:26,849 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 59 [2021-05-03 19:06:29,507 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-05-03 19:06:31,574 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 63 [2021-05-03 19:06:34,258 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-05-03 19:06:37,085 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-05-03 19:06:39,801 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2021-05-03 19:06:41,675 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-05-03 19:06:43,251 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2021-05-03 19:06:45,793 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 109 DAG size of output: 84 [2021-05-03 19:06:48,821 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2021-05-03 19:06:51,342 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2021-05-03 19:06:52,127 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2021-05-03 19:06:54,513 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2021-05-03 19:06:56,153 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2021-05-03 19:06:57,391 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2021-05-03 19:06:58,507 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2021-05-03 19:06:59,365 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-05-03 19:07:01,512 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-05-03 19:07:03,544 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-05-03 19:07:04,590 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-05-03 19:07:05,553 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-05-03 19:07:07,682 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-05-03 19:07:08,718 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-05-03 19:07:09,710 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-05-03 19:07:11,848 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2021-05-03 19:07:12,665 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-05-03 19:07:14,690 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2021-05-03 19:07:15,879 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 54 [2021-05-03 19:07:18,485 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 171 DAG size of output: 101 [2021-05-03 19:07:20,892 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 100 [2021-05-03 19:07:23,166 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2021-05-03 19:07:24,904 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 19:07:27,371 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2021-05-03 19:07:29,111 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 95 [2021-05-03 19:07:30,978 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 19:07:32,575 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 92 [2021-05-03 19:07:34,701 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 94 [2021-05-03 19:07:36,660 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-05-03 19:07:38,725 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-05-03 19:07:41,312 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-05-03 19:07:43,036 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 87 [2021-05-03 19:07:45,280 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 84 [2021-05-03 19:07:47,520 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 86 [2021-05-03 19:07:49,776 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-05-03 19:07:52,129 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-05-03 19:07:54,388 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2021-05-03 19:07:55,786 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 82 [2021-05-03 19:07:58,148 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 79 [2021-05-03 19:08:00,579 WARN L205 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 81 [2021-05-03 19:08:02,877 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 82 [2021-05-03 19:08:05,126 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 77 [2021-05-03 19:08:07,381 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 74 [2021-05-03 19:08:09,629 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 76 [2021-05-03 19:08:11,235 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-05-03 19:08:12,923 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2021-05-03 19:08:15,081 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2021-05-03 19:08:16,608 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2021-05-03 19:08:19,553 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 69 [2021-05-03 19:08:21,895 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-05-03 19:08:23,886 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-05-03 19:08:27,854 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2021-05-03 19:08:29,433 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 67 [2021-05-03 19:08:31,652 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 65 [2021-05-03 19:08:33,882 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 67 [2021-05-03 19:08:35,853 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2021-05-03 19:08:38,251 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 63 [2021-05-03 19:08:40,642 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 61 [2021-05-03 19:08:42,899 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 62 [2021-05-03 19:08:45,848 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 59 [2021-05-03 19:08:48,072 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 57 [2021-05-03 19:08:50,205 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 59 [2021-05-03 19:08:54,174 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 131 DAG size of output: 109 [2021-05-03 19:08:56,550 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 129 DAG size of output: 107 [2021-05-03 19:08:58,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:08:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:08:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:08:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:08:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:08:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:08:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:08:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:08:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 19:08:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:08:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2021-05-03 19:08:58,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:08:58,685 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:08:58,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:08:58,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1422751275, now seen corresponding path program 21 times [2021-05-03 19:08:58,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:08:58,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663124897] [2021-05-03 19:08:58,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:08:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:09:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 620 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 19:09:11,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663124897] [2021-05-03 19:09:11,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29128077] [2021-05-03 19:09:11,824 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 19:09:11,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-05-03 19:09:11,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 19:09:11,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 84 conjunts are in the unsatisfiable core [2021-05-03 19:09:11,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 19:09:28,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 19:09:28,897 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 13 treesize of output 7 [2021-05-03 19:09:28,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:09:28,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:09:28,995 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:09:28,995 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:9 [2021-05-03 19:09:31,178 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 11 treesize of output 7 [2021-05-03 19:09:31,198 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 19:09:31,216 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 19:09:31,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 19:09:31,225 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-05-03 19:09:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 618 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-03 19:09:31,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 19:09:31,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43] total 64 [2021-05-03 19:09:31,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404805087] [2021-05-03 19:09:31,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-05-03 19:09:31,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 19:09:31,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-05-03 19:09:31,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=4012, Unknown=0, NotChecked=0, Total=4160 [2021-05-03 19:09:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:09:31,456 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 19:09:31,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 3.0) internal successors, (195), 64 states have internal predecessors, (195), 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 19:09:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:09:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:09:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:09:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:09:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:09:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:09:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:09:31,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2021-05-03 19:09:31,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 19:09:54,686 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2021-05-03 19:10:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:10:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 19:10:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:10:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-03 19:10:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 19:10:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:10:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-03 19:10:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2021-05-03 19:10:33,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-05-03 19:10:33,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-05-03 19:10:33,660 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 19:10:33,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 19:10:33,660 INFO L82 PathProgramCache]: Analyzing trace with hash -2026650382, now seen corresponding path program 22 times [2021-05-03 19:10:33,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 19:10:33,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121217189] [2021-05-03 19:10:33,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 19:10:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 19:10:34,359 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-05-03 19:10:34,677 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-05-03 19:10:34,863 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-05-03 19:10:35,083 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 19:10:35,350 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-05-03 19:10:35,618 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-05-03 19:10:35,915 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-05-03 19:10:36,246 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-05-03 19:10:36,619 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-05-03 19:10:37,082 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 19:10:37,474 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:10:37,896 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:10:38,332 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-05-03 19:10:38,808 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-05-03 19:10:39,307 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 19:10:39,777 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:10:40,324 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-05-03 19:10:40,861 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-05-03 19:10:41,394 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 19:10:41,911 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 19:10:42,444 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-05-03 19:10:43,021 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-05-03 19:10:43,554 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:10:44,127 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:10:44,806 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 19:10:45,451 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 19:10:46,065 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 19:10:46,675 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 19:10:47,284 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 19:10:47,961 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 19:10:48,625 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 52 Received shutdown request... [2021-05-03 19:10:48,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-05-03 19:10:48,760 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-03 19:10:48,775 WARN L224 ceAbstractionStarter]: Timeout [2021-05-03 19:10:48,776 INFO L202 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 07:10:48 BasicIcfg [2021-05-03 19:10:48,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-03 19:10:48,777 INFO L168 Benchmark]: Toolchain (without parser) took 839172.70 ms. Allocated memory was 327.2 MB in the beginning and 690.0 MB in the end (delta: 362.8 MB). Free memory was 308.2 MB in the beginning and 208.5 MB in the end (delta: 99.6 MB). Peak memory consumption was 464.2 MB. Max. memory is 16.0 GB. [2021-05-03 19:10:48,777 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.45 ms. Allocated memory is still 327.2 MB. Free memory is still 309.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 19:10:48,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.06 ms. Allocated memory is still 327.2 MB. Free memory was 308.1 MB in the beginning and 306.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-03 19:10:48,777 INFO L168 Benchmark]: Boogie Preprocessor took 28.03 ms. Allocated memory is still 327.2 MB. Free memory was 306.6 MB in the beginning and 305.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-03 19:10:48,777 INFO L168 Benchmark]: RCFGBuilder took 437.14 ms. Allocated memory is still 327.2 MB. Free memory was 305.5 MB in the beginning and 290.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-05-03 19:10:48,777 INFO L168 Benchmark]: TraceAbstraction took 838654.85 ms. Allocated memory was 327.2 MB in the beginning and 690.0 MB in the end (delta: 362.8 MB). Free memory was 289.7 MB in the beginning and 208.5 MB in the end (delta: 81.1 MB). Peak memory consumption was 445.3 MB. Max. memory is 16.0 GB. [2021-05-03 19:10:48,777 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 0.45 ms. Allocated memory is still 327.2 MB. Free memory is still 309.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.06 ms. Allocated memory is still 327.2 MB. Free memory was 308.1 MB in the beginning and 306.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.03 ms. Allocated memory is still 327.2 MB. Free memory was 306.6 MB in the beginning and 305.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 437.14 ms. Allocated memory is still 327.2 MB. Free memory was 305.5 MB in the beginning and 290.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 838654.85 ms. Allocated memory was 327.2 MB in the beginning and 690.0 MB in the end (delta: 362.8 MB). Free memory was 289.7 MB in the beginning and 208.5 MB in the end (delta: 81.1 MB). Peak memory consumption was 445.3 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: 62083, positive: 56392, positive conditional: 56392, positive unconditional: 0, negative: 5691, negative conditional: 5691, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 56392, positive: 56392, positive conditional: 56392, 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: 56392, positive: 56392, positive conditional: 0, positive unconditional: 56392, 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: 96, positive: 96, positive conditional: 0, positive unconditional: 96, 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: 96, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 56392, positive: 56296, positive conditional: 0, positive unconditional: 56296, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 96, unknown conditional: 0, unknown unconditional: 96] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, 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): 96, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, 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: 5691 - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 84). Cancelled while PartialOrderCegarLoop was analyzing trace of length 146 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 35 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 838483.9ms, OverallIterations: 25, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.7ms, PartialOrderReductionTime: 457292.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1011, 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: 249.9ms SsaConstructionTime, 1737.8ms SatisfiabilityAnalysisTime, 358628.3ms InterpolantComputationTime, 3805 NumberOfCodeBlocks, 3805 NumberOfCodeBlocksAsserted, 118 NumberOfCheckSat, 3759 ConstructedInterpolants, 446 QuantifiedInterpolants, 141090 SizeOfPredicates, 240 NumberOfNonLiveVariables, 4836 ConjunctsInSsa, 1679 ConjunctsInUnsatCore, 46 InterpolantComputations, 2 PerfectInterpolantSequences, 523/10325 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown