/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-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 20:35:36,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 20:35:36,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 20:35:36,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-03 20:35:36,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 20:35:36,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 20:35:36,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 20:35:36,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 20:35:36,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 20:35:36,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 20:35:36,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 20:35:36,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 20:35:36,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 20:35:36,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 20:35:36,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 20:35:36,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 20:35:36,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-03 20:35:36,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 20:35:36,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 20:35:36,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 20:35:36,698 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 20:35:36,727 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 20:35:36,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 20:35:36,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 20:35:36,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 20:35:36,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 20:35:36,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 20:35:36,730 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 20:35:36,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 20:35:36,731 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 20:35:36,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 20:35:36,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 20:35:36,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 20:35:36,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 20:35:36,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 20:35:36,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 20:35:36,732 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 20:35:36,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 20:35:36,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 20:35:36,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 20:35:36,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 20:35:36,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 20:35:36,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 20:35:36,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 20:35:36,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 20:35:36,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 20:35:36,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 20:35:36,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 20:35:36,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 20:35:36,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 20:35:36,734 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 20:35:36,734 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 20:35:36,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 20:35:36,734 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-05-03 20:35:36,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 20:35:37,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 20:35:37,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 20:35:37,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 20:35:37,129 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 20:35:37,130 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 20:35:37,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2021-05-03 20:35:37,132 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2021-05-03 20:35:37,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 20:35:37,190 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 20:35:37,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 20:35:37,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 20:35:37,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 20:35:37,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (1/1) ... [2021-05-03 20:35:37,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (1/1) ... [2021-05-03 20:35:37,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 20:35:37,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 20:35:37,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 20:35:37,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 20:35:37,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (1/1) ... [2021-05-03 20:35:37,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (1/1) ... [2021-05-03 20:35:37,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (1/1) ... [2021-05-03 20:35:37,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (1/1) ... [2021-05-03 20:35:37,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (1/1) ... [2021-05-03 20:35:37,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (1/1) ... [2021-05-03 20:35:37,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (1/1) ... [2021-05-03 20:35:37,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 20:35:37,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 20:35:37,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 20:35:37,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 20:35:37,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (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 20:35:37,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 20:35:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 20:35:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 20:35:37,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 20:35:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 20:35:37,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 20:35:37,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 20:35:37,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 20:35:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 20:35:37,327 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-03 20:35:37,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-03 20:35:37,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-03 20:35:37,328 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 20:35:37,605 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 20:35:37,606 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 20:35:37,607 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:35:37 BoogieIcfgContainer [2021-05-03 20:35:37,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 20:35:37,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 20:35:37,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 20:35:37,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 20:35:37,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:35:37" (1/2) ... [2021-05-03 20:35:37,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb53ac0 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:35:37, skipping insertion in model container [2021-05-03 20:35:37,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:35:37" (2/2) ... [2021-05-03 20:35:37,614 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2021-05-03 20:35:37,619 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 20:35:37,619 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 20:35:37,622 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 20:35:37,622 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 20:35:37,699 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-03 20:35:37,714 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 20:35:37,830 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 20:35:37,830 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 20:35:37,830 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 20:35:37,831 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 20:35:37,831 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 20:35:37,831 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 20:35:37,831 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 20:35:37,832 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 20:35:37,936 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:37,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:37,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1399820781, now seen corresponding path program 1 times [2021-05-03 20:35:37,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:37,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625252528] [2021-05-03 20:35:37,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:38,119 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 20:35:38,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625252528] [2021-05-03 20:35:38,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 20:35:38,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-03 20:35:38,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208561389] [2021-05-03 20:35:38,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-03 20:35:38,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:38,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-03 20:35:38,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-03 20:35:38,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:38,137 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:38,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:35:38,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:38,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:38,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 20:35:38,157 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:38,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:38,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1882321483, now seen corresponding path program 1 times [2021-05-03 20:35:38,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:38,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128666814] [2021-05-03 20:35:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:38,201 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 20:35:38,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128666814] [2021-05-03 20:35:38,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 20:35:38,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 20:35:38,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872873734] [2021-05-03 20:35:38,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-03 20:35:38,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:38,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-03 20:35:38,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-03 20:35:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:38,205 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:38,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:35:38,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:38,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:38,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-03 20:35:38,244 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:38,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:38,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833961, now seen corresponding path program 1 times [2021-05-03 20:35:38,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:38,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886483785] [2021-05-03 20:35:38,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:38,552 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 20:35:38,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886483785] [2021-05-03 20:35:38,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116030076] [2021-05-03 20:35:38,553 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 20:35:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:38,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-03 20:35:38,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:38,869 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-05-03 20:35:38,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2021-05-03 20:35:38,879 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:35:38,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:35:38,893 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 20:35:38,893 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:3 [2021-05-03 20:35:38,994 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 20:35:38,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:38,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-03 20:35:38,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302979514] [2021-05-03 20:35:38,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-03 20:35:38,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:38,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-03 20:35:38,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-05-03 20:35:38,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:38,996 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:38,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:35:38,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:38,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:38,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:39,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:39,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:39,406 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:39,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:39,406 INFO L82 PathProgramCache]: Analyzing trace with hash 2135652999, now seen corresponding path program 2 times [2021-05-03 20:35:39,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:39,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904406903] [2021-05-03 20:35:39,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:39,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904406903] [2021-05-03 20:35:39,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204694407] [2021-05-03 20:35:39,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:39,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:35:39,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:39,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 20:35:39,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:39,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:39,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-03 20:35:39,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608060271] [2021-05-03 20:35:39,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-03 20:35:39,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:39,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-03 20:35:39,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-03 20:35:39,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:39,665 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:39,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:35:39,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:39,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:39,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:39,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:39,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:40,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:40,080 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:40,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:40,080 INFO L82 PathProgramCache]: Analyzing trace with hash -357408053, now seen corresponding path program 1 times [2021-05-03 20:35:40,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:40,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358729582] [2021-05-03 20:35:40,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:35:40,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358729582] [2021-05-03 20:35:40,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167777303] [2021-05-03 20:35:40,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:40,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 20:35:40,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:40,353 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:35:40,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:40,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-03 20:35:40,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258536592] [2021-05-03 20:35:40,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-03 20:35:40,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:40,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-03 20:35:40,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-05-03 20:35:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:40,358 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:40,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:35:40,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:40,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:40,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:40,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:40,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:40,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:40,661 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:40,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:40,662 INFO L82 PathProgramCache]: Analyzing trace with hash -336173655, now seen corresponding path program 2 times [2021-05-03 20:35:40,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:40,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038877670] [2021-05-03 20:35:40,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:41,141 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 20:35:41,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038877670] [2021-05-03 20:35:41,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626841092] [2021-05-03 20:35:41,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:41,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:35:41,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:41,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 35 conjunts are in the unsatisfiable core [2021-05-03 20:35:41,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:41,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:35:41,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-05-03 20:35:41,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:35:41,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:35:41,589 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 20:35:41,589 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:3 [2021-05-03 20:35:41,616 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 20:35:41,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:41,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 22 [2021-05-03 20:35:41,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936219082] [2021-05-03 20:35:41,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-03 20:35:41,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:41,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-03 20:35:41,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2021-05-03 20:35:41,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:41,618 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:41,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.272727272727273) internal successors, (50), 22 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:35:41,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:41,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:41,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:41,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:41,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:41,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:42,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-03 20:35:42,258 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:42,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:42,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1404753657, now seen corresponding path program 3 times [2021-05-03 20:35:42,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:42,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737550661] [2021-05-03 20:35:42,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:42,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737550661] [2021-05-03 20:35:42,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860598761] [2021-05-03 20:35:42,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:42,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-03 20:35:42,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:42,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 20:35:42,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:42,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:42,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-05-03 20:35:42,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795618758] [2021-05-03 20:35:42,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-03 20:35:42,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:42,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-03 20:35:42,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-05-03 20:35:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:42,669 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:42,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:35:42,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:42,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:42,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:42,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:42,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:42,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:42,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:43,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:43,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:43,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:43,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:43,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:43,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:43,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:43,385 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:43,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:43,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1909403317, now seen corresponding path program 4 times [2021-05-03 20:35:43,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:43,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150509511] [2021-05-03 20:35:43,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:35:43,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150509511] [2021-05-03 20:35:43,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697956106] [2021-05-03 20:35:43,555 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:43,582 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 20:35:43,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:43,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 20:35:43,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:35:43,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:43,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-05-03 20:35:43,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974755662] [2021-05-03 20:35:43,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-03 20:35:43,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:43,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-03 20:35:43,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-05-03 20:35:43,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:43,743 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:43,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:35:43,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:43,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:43,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:43,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:43,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:43,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:43,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:43,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:43,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:44,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:44,113 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:44,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:44,114 INFO L82 PathProgramCache]: Analyzing trace with hash 665523753, now seen corresponding path program 5 times [2021-05-03 20:35:44,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:44,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989975501] [2021-05-03 20:35:44,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:44,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989975501] [2021-05-03 20:35:44,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841293797] [2021-05-03 20:35:44,650 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:44,725 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-03 20:35:44,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:44,726 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-05-03 20:35:44,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:45,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:35:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:45,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:45,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:45,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:45,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2021-05-03 20:35:45,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:35:45,611 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:35:45,613 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 20:35:45,614 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:3 [2021-05-03 20:35:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:45,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:45,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-05-03 20:35:45,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879383083] [2021-05-03 20:35:45,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-03 20:35:45,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:45,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-03 20:35:45,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2021-05-03 20:35:45,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:45,646 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:45,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 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 20:35:45,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:45,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:45,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:47,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-05-03 20:35:47,162 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:47,163 INFO L82 PathProgramCache]: Analyzing trace with hash 440189797, now seen corresponding path program 6 times [2021-05-03 20:35:47,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:47,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462523464] [2021-05-03 20:35:47,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:47,557 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-05-03 20:35:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:47,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462523464] [2021-05-03 20:35:47,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767073328] [2021-05-03 20:35:47,988 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:48,048 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-03 20:35:48,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:48,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 58 conjunts are in the unsatisfiable core [2021-05-03 20:35:48,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:49,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:35:49,184 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:35:49,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 43 treesize of output 107 [2021-05-03 20:35:49,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-05-03 20:35:49,597 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 23 [2021-05-03 20:35:49,597 INFO L628 ElimStorePlain]: treesize reduction 1744, result has 1.7 percent of original size [2021-05-03 20:35:49,624 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-03 20:35:49,624 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:65, output treesize:19 [2021-05-03 20:35:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:49,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:49,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 37 [2021-05-03 20:35:49,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231789468] [2021-05-03 20:35:49,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-03 20:35:49,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:49,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-03 20:35:49,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2021-05-03 20:35:49,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:49,709 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:49,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.027027027027027) internal successors, (75), 37 states have internal predecessors, (75), 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 20:35:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:49,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:51,137 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2021-05-03 20:35:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:51,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:51,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:51,518 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:51,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:51,519 INFO L82 PathProgramCache]: Analyzing trace with hash 932932035, now seen corresponding path program 7 times [2021-05-03 20:35:51,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:51,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77366101] [2021-05-03 20:35:51,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:51,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77366101] [2021-05-03 20:35:51,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166865230] [2021-05-03 20:35:51,765 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:51,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-03 20:35:51,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:52,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:52,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 31 [2021-05-03 20:35:52,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286313937] [2021-05-03 20:35:52,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-03 20:35:52,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:52,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-03 20:35:52,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2021-05-03 20:35:52,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:52,237 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:52,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 31 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 20:35:52,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:52,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:52,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:52,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:52,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:52,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:52,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:52,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:52,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:52,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:52,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:53,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:53,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:53,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:53,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:35:53,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:35:53,533 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:53,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:53,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1748614505, now seen corresponding path program 8 times [2021-05-03 20:35:53,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:53,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174165248] [2021-05-03 20:35:53,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 40 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:53,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174165248] [2021-05-03 20:35:53,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82917645] [2021-05-03 20:35:53,751 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 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 20:35:53,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:35:53,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:53,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-03 20:35:53,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 49 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-03 20:35:54,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:54,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 36 [2021-05-03 20:35:54,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132726315] [2021-05-03 20:35:54,193 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-03 20:35:54,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:54,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-03 20:35:54,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1083, Unknown=0, NotChecked=0, Total=1260 [2021-05-03 20:35:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:54,194 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:54,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.4722222222222223) internal successors, (89), 36 states have internal predecessors, (89), 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 20:35:54,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:35:54,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:35:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:35:54,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-05-03 20:35:54,921 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:54,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:54,922 INFO L82 PathProgramCache]: Analyzing trace with hash 414393799, now seen corresponding path program 9 times [2021-05-03 20:35:54,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:54,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268582372] [2021-05-03 20:35:54,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:55,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268582372] [2021-05-03 20:35:55,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899344706] [2021-05-03 20:35:55,108 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 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 20:35:55,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-05-03 20:35:55,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:55,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-05-03 20:35:55,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:55,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:55,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 38 [2021-05-03 20:35:55,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084275047] [2021-05-03 20:35:55,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-05-03 20:35:55,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:55,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-05-03 20:35:55,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1133, Unknown=0, NotChecked=0, Total=1406 [2021-05-03 20:35:55,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:55,612 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:55,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.289473684210526) internal successors, (87), 38 states have internal predecessors, (87), 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 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:35:55,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:55,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:35:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:35:55,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:56,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-05-03 20:35:56,109 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:56,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:56,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1871450459, now seen corresponding path program 10 times [2021-05-03 20:35:56,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:56,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654894510] [2021-05-03 20:35:56,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:56,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654894510] [2021-05-03 20:35:56,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270057028] [2021-05-03 20:35:56,955 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 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 20:35:56,990 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 20:35:56,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:56,991 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-05-03 20:35:56,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:58,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:35:58,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:35:58,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:35:58,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:58,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 36 disjoint index pairs (out of 66 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 37 [2021-05-03 20:35:58,245 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:35:58,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:35:58,256 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 20:35:58,257 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:115, output treesize:7 [2021-05-03 20:35:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:58,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:58,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 37 [2021-05-03 20:35:58,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132886028] [2021-05-03 20:35:58,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-03 20:35:58,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:58,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-03 20:35:58,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1234, Unknown=0, NotChecked=0, Total=1332 [2021-05-03 20:35:58,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:58,298 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:58,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 37 states have internal predecessors, (83), 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 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:58,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:59,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:35:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:35:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:35:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:35:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:35:59,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-05-03 20:35:59,369 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:59,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:59,369 INFO L82 PathProgramCache]: Analyzing trace with hash 455473155, now seen corresponding path program 11 times [2021-05-03 20:35:59,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:59,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728811785] [2021-05-03 20:35:59,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 64 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:59,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728811785] [2021-05-03 20:35:59,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25155034] [2021-05-03 20:35:59,646 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 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 20:35:59,698 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-05-03 20:35:59,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:59,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2021-05-03 20:35:59,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:36:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 81 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:00,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:36:00,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 43 [2021-05-03 20:36:00,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230897188] [2021-05-03 20:36:00,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-05-03 20:36:00,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:36:00,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-05-03 20:36:00,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1488, Unknown=0, NotChecked=0, Total=1806 [2021-05-03 20:36:00,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:00,277 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:36:00,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.255813953488372) internal successors, (97), 43 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 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:00,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:00,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:00,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:00,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:00,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:02,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:36:02,540 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:36:02,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:36:02,541 INFO L82 PathProgramCache]: Analyzing trace with hash -357524567, now seen corresponding path program 12 times [2021-05-03 20:36:02,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:36:02,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603448239] [2021-05-03 20:36:02,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:36:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:36:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 85 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:02,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603448239] [2021-05-03 20:36:02,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678385480] [2021-05-03 20:36:02,819 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 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 20:36:02,864 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-05-03 20:36:02,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:36:02,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 25 conjunts are in the unsatisfiable core [2021-05-03 20:36:02,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:36:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 85 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:03,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:36:03,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 48 [2021-05-03 20:36:03,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981437338] [2021-05-03 20:36:03,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-05-03 20:36:03,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:36:03,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-05-03 20:36:03,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=1827, Unknown=0, NotChecked=0, Total=2256 [2021-05-03 20:36:03,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:03,575 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:36:03,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 2.2291666666666665) internal successors, (107), 48 states have internal predecessors, (107), 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 20:36:03,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:03,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:03,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:03,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:03,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:03,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:03,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:03,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:03,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:03,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:03,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:03,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:03,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:03,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:03,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:03,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:03,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:04,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:36:04,167 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:36:04,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:36:04,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2087347975, now seen corresponding path program 13 times [2021-05-03 20:36:04,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:36:04,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724943078] [2021-05-03 20:36:04,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:36:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:36:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:04,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724943078] [2021-05-03 20:36:04,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23339200] [2021-05-03 20:36:04,482 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 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 20:36:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:36:04,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjunts are in the unsatisfiable core [2021-05-03 20:36:04,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:36:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:05,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:36:05,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 50 [2021-05-03 20:36:05,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862622098] [2021-05-03 20:36:05,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-05-03 20:36:05,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:36:05,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-05-03 20:36:05,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=1982, Unknown=0, NotChecked=0, Total=2450 [2021-05-03 20:36:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:05,210 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:36:05,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.22) internal successors, (111), 50 states have internal predecessors, (111), 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 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:05,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-03 20:36:05,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:36:05,773 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:36:05,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:36:05,774 INFO L82 PathProgramCache]: Analyzing trace with hash -2032217371, now seen corresponding path program 14 times [2021-05-03 20:36:05,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:36:05,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233412429] [2021-05-03 20:36:05,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:36:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:36:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:07,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233412429] [2021-05-03 20:36:07,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827482972] [2021-05-03 20:36:07,038 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 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 20:36:07,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:36:07,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:36:07,084 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 104 conjunts are in the unsatisfiable core [2021-05-03 20:36:07,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:36:08,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:36:08,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:36:08,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:08,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:36:08,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 66 disjoint index pairs (out of 105 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 46 [2021-05-03 20:36:08,993 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:36:09,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:36:09,004 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 20:36:09,004 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:142, output treesize:7 [2021-05-03 20:36:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:09,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:36:09,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 46 [2021-05-03 20:36:09,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299060465] [2021-05-03 20:36:09,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-05-03 20:36:09,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:36:09,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-05-03 20:36:09,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1948, Unknown=0, NotChecked=0, Total=2070 [2021-05-03 20:36:09,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:09,051 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:36:09,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 2.1956521739130435) internal successors, (101), 46 states have internal predecessors, (101), 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 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:09,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:09,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:09,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:09,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-05-03 20:36:09,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-03 20:36:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:10,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-05-03 20:36:10,853 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:36:10,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:36:10,854 INFO L82 PathProgramCache]: Analyzing trace with hash -974667965, now seen corresponding path program 15 times [2021-05-03 20:36:10,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:36:10,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746041910] [2021-05-03 20:36:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:36:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:36:11,266 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 121 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:11,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746041910] [2021-05-03 20:36:11,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831157938] [2021-05-03 20:36:11,266 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 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 20:36:11,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-05-03 20:36:11,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:36:11,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 29 conjunts are in the unsatisfiable core [2021-05-03 20:36:11,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:36:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 144 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:12,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:36:12,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 55 [2021-05-03 20:36:12,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369930186] [2021-05-03 20:36:12,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-05-03 20:36:12,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:36:12,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-05-03 20:36:12,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=2445, Unknown=0, NotChecked=0, Total=2970 [2021-05-03 20:36:12,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:12,191 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:36:12,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 2.2) internal successors, (121), 55 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 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:12,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:12,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:12,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:12,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:12,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:12,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-05-03 20:36:12,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:12,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-03 20:36:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-05-03 20:36:15,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-05-03 20:36:15,235 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:36:15,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:36:15,236 INFO L82 PathProgramCache]: Analyzing trace with hash -229641495, now seen corresponding path program 16 times [2021-05-03 20:36:15,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:36:15,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029701506] [2021-05-03 20:36:15,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:36:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:36:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 148 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:15,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029701506] [2021-05-03 20:36:15,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020749599] [2021-05-03 20:36:15,701 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 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 20:36:15,739 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 20:36:15,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:36:15,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 29 conjunts are in the unsatisfiable core [2021-05-03 20:36:15,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:36:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 169 proven. 169 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-05-03 20:36:16,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:36:16,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 60 [2021-05-03 20:36:16,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840645274] [2021-05-03 20:36:16,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-05-03 20:36:16,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:36:16,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-05-03 20:36:16,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=3069, Unknown=0, NotChecked=0, Total=3540 [2021-05-03 20:36:16,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:16,555 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:36:16,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.283333333333333) internal successors, (137), 60 states have internal predecessors, (137), 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 20:36:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:16,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-05-03 20:36:16,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:17,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:17,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:17,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-03 20:36:17,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:17,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-05-03 20:36:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-05-03 20:36:17,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-05-03 20:36:17,849 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:36:17,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:36:17,849 INFO L82 PathProgramCache]: Analyzing trace with hash 818782535, now seen corresponding path program 17 times [2021-05-03 20:36:17,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:36:17,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029874972] [2021-05-03 20:36:17,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:36:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:36:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 148 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:18,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029874972] [2021-05-03 20:36:18,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894524398] [2021-05-03 20:36:18,352 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 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 20:36:18,413 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-05-03 20:36:18,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:36:18,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjunts are in the unsatisfiable core [2021-05-03 20:36:18,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:36:19,488 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 148 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:19,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:36:19,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 62 [2021-05-03 20:36:19,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900361704] [2021-05-03 20:36:19,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-05-03 20:36:19,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:36:19,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-05-03 20:36:19,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=717, Invalid=3065, Unknown=0, NotChecked=0, Total=3782 [2021-05-03 20:36:19,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:19,490 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:36:19,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 2.1774193548387095) internal successors, (135), 62 states have internal predecessors, (135), 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 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:19,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-05-03 20:36:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-05-03 20:36:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-05-03 20:36:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:20,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-03 20:36:20,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:20,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-05-03 20:36:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-05-03 20:36:20,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-03 20:36:20,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-05-03 20:36:20,265 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:36:20,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:36:20,265 INFO L82 PathProgramCache]: Analyzing trace with hash -963039195, now seen corresponding path program 18 times [2021-05-03 20:36:20,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:36:20,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272872887] [2021-05-03 20:36:20,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:36:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:36:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:22,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272872887] [2021-05-03 20:36:22,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886978708] [2021-05-03 20:36:22,150 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 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 20:36:22,218 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-05-03 20:36:22,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:36:22,221 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 133 conjunts are in the unsatisfiable core [2021-05-03 20:36:22,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:36:26,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:27,141 INFO L244 Elim1Store]: Index analysis took 249 ms [2021-05-03 20:36:29,089 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 503 [2021-05-03 20:36:29,090 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:36:29,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 215 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 110 case distinctions, treesize of input 173 treesize of output 1135 [2021-05-03 20:36:29,551 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1623 [2021-05-03 20:36:29,851 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1646 DAG size of output: 1635 [2021-05-03 20:36:31,438 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 6511 DAG size of output: 4447 [2021-05-03 20:36:32,210 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 6531 DAG size of output: 4467 [2021-05-03 20:36:38,706 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 27427 DAG size of output: 15797 [2021-05-03 20:36:42,681 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 27453 DAG size of output: 15823 [2021-05-03 20:37:15,995 WARN L205 SmtUtils]: Spent 16.93 s on a formula simplification. DAG size of input: 122060 DAG size of output: 63725 [2021-05-03 20:37:41,936 WARN L205 SmtUtils]: Spent 15.99 s on a formula simplification. DAG size of input: 122099 DAG size of output: 63764 [2021-05-03 20:37:53,193 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-05-03 20:38:08,709 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-05-03 20:38:40,597 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-05-03 20:38:57,211 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 20:39:29,186 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-05-03 20:42:37,092 WARN L205 SmtUtils]: Spent 2.90 m on a formula simplification. DAG size of input: 768585 DAG size of output: 561732