/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-04 02:19:39,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-04 02:19:39,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-04 02:19:39,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-04 02:19:39,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-04 02:19:39,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-04 02:19:39,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-04 02:19:39,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-04 02:19:39,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-04 02:19:39,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-04 02:19:39,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-04 02:19:39,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-04 02:19:39,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-04 02:19:39,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-04 02:19:39,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-04 02:19:39,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-04 02:19:39,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-04 02:19:39,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-04 02:19:39,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-04 02:19:39,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-04 02:19:39,169 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-Persistent-NoLbe.epf [2021-05-04 02:19:39,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-04 02:19:39,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-04 02:19:39,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-04 02:19:39,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-04 02:19:39,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-04 02:19:39,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-04 02:19:39,197 INFO L138 SettingsManager]: * Use SBE=true [2021-05-04 02:19:39,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-04 02:19:39,197 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-04 02:19:39,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-04 02:19:39,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-04 02:19:39,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-04 02:19:39,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-04 02:19:39,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-04 02:19:39,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-04 02:19:39,199 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-04 02:19:39,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-04 02:19:39,199 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-04 02:19:39,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-04 02:19:39,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-04 02:19:39,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-04 02:19:39,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-04 02:19:39,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-04 02:19:39,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-04 02:19:39,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-04 02:19:39,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-04 02:19:39,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-04 02:19:39,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-04 02:19:39,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-04 02:19:39,200 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-04 02:19:39,200 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-04 02:19:39,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-04 02:19:39,200 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-05-04 02:19:39,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-04 02:19:40,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-04 02:19:40,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-04 02:19:40,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-04 02:19:40,154 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-04 02:19:40,155 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-04 02:19:40,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl [2021-05-04 02:19:40,165 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl' [2021-05-04 02:19:40,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-04 02:19:40,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-04 02:19:40,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-04 02:19:40,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-04 02:19:40,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-04 02:19:40,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (1/1) ... [2021-05-04 02:19:40,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (1/1) ... [2021-05-04 02:19:40,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-04 02:19:40,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-04 02:19:40,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-04 02:19:40,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-04 02:19:40,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (1/1) ... [2021-05-04 02:19:40,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (1/1) ... [2021-05-04 02:19:40,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (1/1) ... [2021-05-04 02:19:40,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (1/1) ... [2021-05-04 02:19:40,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (1/1) ... [2021-05-04 02:19:40,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (1/1) ... [2021-05-04 02:19:40,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (1/1) ... [2021-05-04 02:19:40,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-04 02:19:40,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-04 02:19:40,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-04 02:19:40,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-04 02:19:40,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (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 [2021-05-04 02:19:40,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-04 02:19:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-04 02:19:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-04 02:19:40,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-04 02:19:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-04 02:19:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-04 02:19:40,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-04 02:19:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-04 02:19:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-04 02:19:40,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-04 02:19:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-04 02:19:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-04 02:19:40,469 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-04 02:19:40,751 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-04 02:19:40,751 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-04 02:19:40,753 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:19:40 BoogieIcfgContainer [2021-05-04 02:19:40,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-04 02:19:40,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-04 02:19:40,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-04 02:19:40,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-04 02:19:40,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:19:40" (1/2) ... [2021-05-04 02:19:40,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbbf99d and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:19:40, skipping insertion in model container [2021-05-04 02:19:40,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:19:40" (2/2) ... [2021-05-04 02:19:40,780 INFO L111 eAbstractionObserver]: Analyzing ICFG mts.wvr.bpl [2021-05-04 02:19:40,783 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-04 02:19:40,784 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-04 02:19:40,814 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-04 02:19:40,815 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-04 02:19:40,886 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-04 02:19:40,956 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 [2021-05-04 02:19:41,019 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-04 02:19:41,019 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-04 02:19:41,019 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-04 02:19:41,019 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-04 02:19:41,019 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-04 02:19:41,019 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-04 02:19:41,019 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-04 02:19:41,020 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-04 02:19:41,188 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:19:41,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:19:41,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1176881673, now seen corresponding path program 1 times [2021-05-04 02:19:41,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:19:41,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020815905] [2021-05-04 02:19:41,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:19:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:19:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:19:41,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020815905] [2021-05-04 02:19:41,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-04 02:19:41,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-04 02:19:41,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837161381] [2021-05-04 02:19:41,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-04 02:19:41,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:19:41,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-04 02:19:41,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-04 02:19:41,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:19:41,401 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:19:41,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:19:41,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:19:41,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:19:41,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-04 02:19:41,462 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:19:41,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:19:41,465 INFO L82 PathProgramCache]: Analyzing trace with hash -339689497, now seen corresponding path program 1 times [2021-05-04 02:19:41,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:19:41,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80634053] [2021-05-04 02:19:41,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:19:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:19:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:19:41,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80634053] [2021-05-04 02:19:41,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-04 02:19:41,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-04 02:19:41,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944529010] [2021-05-04 02:19:41,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-04 02:19:41,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:19:41,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-04 02:19:41,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-04 02:19:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:19:41,532 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:19:41,532 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) [2021-05-04 02:19:41,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:19:41,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:19:41,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:19:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:19:41,567 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-04 02:19:41,567 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:19:41,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:19:41,568 INFO L82 PathProgramCache]: Analyzing trace with hash -949913595, now seen corresponding path program 1 times [2021-05-04 02:19:41,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:19:41,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860291984] [2021-05-04 02:19:41,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:19:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:19:42,200 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-05-04 02:19:42,361 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2021-05-04 02:19:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:19:42,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860291984] [2021-05-04 02:19:42,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876684390] [2021-05-04 02:19:42,503 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 [2021-05-04 02:19:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:19:42,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2021-05-04 02:19:42,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:19:43,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:19:43,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:19:43,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-05-04 02:19:43,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:43,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:19:43,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:19:43,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-05-04 02:19:43,087 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:43,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:19:43,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:19:43,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-05-04 02:19:43,101 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:43,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:19:43,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 22 [2021-05-04 02:19:43,108 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:43,173 INFO L628 ElimStorePlain]: treesize reduction 54, result has 43.2 percent of original size [2021-05-04 02:19:43,176 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-04 02:19:43,177 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:153, output treesize:35 [2021-05-04 02:19:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:19:43,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:19:43,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-04 02:19:43,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710335920] [2021-05-04 02:19:43,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-04 02:19:43,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:19:43,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-04 02:19:43,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-05-04 02:19:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:19:43,225 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:19:43,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:19:43,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:19:43,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:19:43,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:19:43,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:19:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:19:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:19:43,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:19:43,604 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:19:43,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:19:43,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1733144861, now seen corresponding path program 2 times [2021-05-04 02:19:43,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:19:43,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576766868] [2021-05-04 02:19:43,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:19:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:19:43,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:19:43,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576766868] [2021-05-04 02:19:43,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821530527] [2021-05-04 02:19:43,730 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 [2021-05-04 02:19:43,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 02:19:43,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:19:43,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-04 02:19:43,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:19:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:19:43,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:19:43,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-04 02:19:43,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357886401] [2021-05-04 02:19:43,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-04 02:19:43,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:19:43,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-04 02:19:43,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-04 02:19:43,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:19:43,868 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:19:43,868 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) [2021-05-04 02:19:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:19:43,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:19:43,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:19:43,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:19:43,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:19:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:19:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:19:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:19:44,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-05-04 02:19:44,211 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:19:44,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:19:44,211 INFO L82 PathProgramCache]: Analyzing trace with hash 641122855, now seen corresponding path program 1 times [2021-05-04 02:19:44,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:19:44,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905587846] [2021-05-04 02:19:44,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:19:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:19:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:19:44,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905587846] [2021-05-04 02:19:44,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574461397] [2021-05-04 02:19:44,269 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) [2021-05-04 02:19:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:19:44,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-04 02:19:44,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:19:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:19:44,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:19:44,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-04 02:19:44,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302354625] [2021-05-04 02:19:44,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-04 02:19:44,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:19:44,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-04 02:19:44,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-05-04 02:19:44,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:19:44,403 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:19:44,404 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) [2021-05-04 02:19:44,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:19:44,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:19:44,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:19:44,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:19:44,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:19:44,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:19:44,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:19:44,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:19:44,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:19:44,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:19:44,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:19:44,689 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:19:44,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:19:44,690 INFO L82 PathProgramCache]: Analyzing trace with hash 280394373, now seen corresponding path program 2 times [2021-05-04 02:19:44,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:19:44,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348772460] [2021-05-04 02:19:44,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:19:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:19:45,342 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-05-04 02:19:45,514 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2021-05-04 02:19:45,711 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-05-04 02:19:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:19:46,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348772460] [2021-05-04 02:19:46,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672063624] [2021-05-04 02:19:46,021 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 [2021-05-04 02:19:46,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 02:19:46,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:19:46,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 38 conjunts are in the unsatisfiable core [2021-05-04 02:19:46,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:19:47,277 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-04 02:19:47,650 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-05-04 02:19:49,771 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 122 DAG size of output: 112 [2021-05-04 02:19:50,108 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-05-04 02:19:50,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:19:50,817 INFO L354 Elim1Store]: treesize reduction 4, result has 90.2 percent of original size [2021-05-04 02:19:50,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 74 [2021-05-04 02:19:50,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:50,884 INFO L354 Elim1Store]: treesize reduction 12, result has 75.5 percent of original size [2021-05-04 02:19:50,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 74 [2021-05-04 02:19:50,900 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:52,800 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2021-05-04 02:19:52,801 INFO L628 ElimStorePlain]: treesize reduction 20, result has 98.5 percent of original size [2021-05-04 02:19:52,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:19:52,874 INFO L354 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2021-05-04 02:19:52,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-05-04 02:19:52,906 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:52,956 INFO L354 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2021-05-04 02:19:52,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 58 [2021-05-04 02:19:52,972 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:54,137 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 182 DAG size of output: 179 [2021-05-04 02:19:54,138 INFO L628 ElimStorePlain]: treesize reduction 21, result has 98.4 percent of original size [2021-05-04 02:19:54,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:19:54,203 INFO L354 Elim1Store]: treesize reduction 4, result has 90.2 percent of original size [2021-05-04 02:19:54,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 111 treesize of output 80 [2021-05-04 02:19:54,214 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:54,276 INFO L354 Elim1Store]: treesize reduction 8, result has 83.7 percent of original size [2021-05-04 02:19:54,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 111 treesize of output 84 [2021-05-04 02:19:54,287 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:56,560 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 206 DAG size of output: 188 [2021-05-04 02:19:56,561 INFO L628 ElimStorePlain]: treesize reduction 91, result has 92.9 percent of original size [2021-05-04 02:19:56,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:19:56,617 INFO L354 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2021-05-04 02:19:56,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 61 [2021-05-04 02:19:56,628 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:56,679 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-05-04 02:19:56,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 65 [2021-05-04 02:19:56,695 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-05-04 02:19:58,709 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 189 DAG size of output: 180 [2021-05-04 02:19:58,710 INFO L628 ElimStorePlain]: treesize reduction 34, result has 97.1 percent of original size [2021-05-04 02:19:58,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:19:58,795 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:19:58,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 68 [2021-05-04 02:19:58,855 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-05-04 02:19:58,933 INFO L354 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2021-05-04 02:19:58,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 56 [2021-05-04 02:19:58,943 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:00,150 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 174 DAG size of output: 170 [2021-05-04 02:20:00,151 INFO L628 ElimStorePlain]: treesize reduction 22, result has 98.0 percent of original size [2021-05-04 02:20:00,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:00,212 INFO L354 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2021-05-04 02:20:00,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 65 [2021-05-04 02:20:00,219 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:00,268 INFO L354 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2021-05-04 02:20:00,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 61 [2021-05-04 02:20:00,280 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:01,297 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-05-04 02:20:01,298 INFO L628 ElimStorePlain]: treesize reduction 39, result has 96.3 percent of original size [2021-05-04 02:20:01,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:01,351 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-05-04 02:20:01,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 55 [2021-05-04 02:20:01,354 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:01,399 INFO L354 Elim1Store]: treesize reduction 20, result has 59.2 percent of original size [2021-05-04 02:20:01,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 59 [2021-05-04 02:20:01,405 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:02,418 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 158 DAG size of output: 156 [2021-05-04 02:20:02,419 INFO L628 ElimStorePlain]: treesize reduction 16, result has 98.4 percent of original size [2021-05-04 02:20:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:02,518 INFO L354 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2021-05-04 02:20:02,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 86 treesize of output 70 [2021-05-04 02:20:02,563 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:02,626 INFO L354 Elim1Store]: treesize reduction 16, result has 67.3 percent of original size [2021-05-04 02:20:02,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 70 [2021-05-04 02:20:02,646 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:04,384 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 162 DAG size of output: 153 [2021-05-04 02:20:04,385 INFO L628 ElimStorePlain]: treesize reduction 54, result has 94.1 percent of original size [2021-05-04 02:20:04,787 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 8 dim-1 vars, End of recursive call: and 16 xjuncts. [2021-05-04 02:20:04,789 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 17 variables, input treesize:1419, output treesize:1855 [2021-05-04 02:20:05,608 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2021-05-04 02:20:05,769 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:20:05,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:20:05,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2021-05-04 02:20:05,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285296367] [2021-05-04 02:20:05,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-04 02:20:05,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:20:05,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-04 02:20:05,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2021-05-04 02:20:05,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:20:05,771 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:20:05,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.4347826086956523) internal successors, (56), 23 states have internal predecessors, (56), 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) [2021-05-04 02:20:05,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:20:05,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:20:05,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:20:05,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:20:05,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:20:05,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:20:06,010 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2021-05-04 02:20:06,576 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 89 [2021-05-04 02:20:06,884 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 54 [2021-05-04 02:20:07,147 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 99 [2021-05-04 02:20:07,791 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 124 [2021-05-04 02:20:08,869 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 186 [2021-05-04 02:20:09,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:20:09,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:20:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:20:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:20:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:20:09,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:20:09,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-05-04 02:20:09,337 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:20:09,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:20:09,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1512674147, now seen corresponding path program 3 times [2021-05-04 02:20:09,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:20:09,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306530133] [2021-05-04 02:20:09,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:20:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:20:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:20:09,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306530133] [2021-05-04 02:20:09,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503293770] [2021-05-04 02:20:09,464 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 [2021-05-04 02:20:09,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-04 02:20:09,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:20:09,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-04 02:20:09,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:20:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:20:09,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:20:09,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-05-04 02:20:09,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221320680] [2021-05-04 02:20:09,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-04 02:20:09,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:20:09,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-04 02:20:09,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-05-04 02:20:09,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:20:09,744 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:20:09,744 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) [2021-05-04 02:20:09,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:20:09,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:20:09,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:20:09,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:20:09,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:20:09,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:20:09,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:20:10,099 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-05-04 02:20:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:20:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:20:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:20:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:20:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:20:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:20:10,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:20:10,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:20:10,337 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:20:10,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:20:10,337 INFO L82 PathProgramCache]: Analyzing trace with hash 427280039, now seen corresponding path program 4 times [2021-05-04 02:20:10,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:20:10,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206175701] [2021-05-04 02:20:10,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:20:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:20:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:20:10,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206175701] [2021-05-04 02:20:10,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602093408] [2021-05-04 02:20:10,411 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 [2021-05-04 02:20:10,438 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-04 02:20:10,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:20:10,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-04 02:20:10,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:20:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-04 02:20:10,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:20:10,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-05-04 02:20:10,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749345201] [2021-05-04 02:20:10,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-04 02:20:10,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:20:10,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-04 02:20:10,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-05-04 02:20:10,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:20:10,623 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:20:10,623 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) [2021-05-04 02:20:10,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:20:10,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:20:10,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:20:10,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:20:10,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:20:10,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:20:10,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:20:10,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:20:10,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:20:10,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:20:10,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:20:10,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:20:10,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:20:10,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:20:10,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:20:10,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:20:10,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:20:10,945 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:20:10,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:20:10,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1243594491, now seen corresponding path program 5 times [2021-05-04 02:20:10,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:20:10,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566542833] [2021-05-04 02:20:10,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:20:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:20:12,254 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 49 [2021-05-04 02:20:12,701 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 73 [2021-05-04 02:20:13,639 WARN L205 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 137 [2021-05-04 02:20:15,106 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 275 DAG size of output: 167 [2021-05-04 02:20:16,535 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 269 DAG size of output: 162 [2021-05-04 02:20:17,497 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 103 [2021-05-04 02:20:18,108 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 70 [2021-05-04 02:20:18,304 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 41 [2021-05-04 02:20:18,492 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 38 [2021-05-04 02:20:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:20:18,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566542833] [2021-05-04 02:20:18,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244984130] [2021-05-04 02:20:18,661 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 [2021-05-04 02:20:18,726 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-04 02:20:18,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:20:18,749 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 53 conjunts are in the unsatisfiable core [2021-05-04 02:20:18,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:20:21,187 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 132 [2021-05-04 02:20:23,025 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 376 [2021-05-04 02:20:25,430 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 381 [2021-05-04 02:20:27,466 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 382 [2021-05-04 02:20:29,425 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 384 [2021-05-04 02:20:31,323 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 383 [2021-05-04 02:20:32,867 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 372 [2021-05-04 02:20:35,132 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2021-05-04 02:20:36,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:36,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:36,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:36,209 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 63 treesize of output 37 [2021-05-04 02:20:36,212 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:36,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:36,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:36,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:36,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:36,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:36,263 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 58 treesize of output 34 [2021-05-04 02:20:36,265 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:43,809 WARN L205 SmtUtils]: Spent 7.54 s on a formula simplification. DAG size of input: 865 DAG size of output: 774 [2021-05-04 02:20:43,811 INFO L628 ElimStorePlain]: treesize reduction 1945, result has 57.8 percent of original size [2021-05-04 02:20:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:43,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:43,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:43,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:43,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-05-04 02:20:43,855 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:46,439 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 762 [2021-05-04 02:20:46,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:20:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:46,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:46,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:46,513 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 44 treesize of output 26 [2021-05-04 02:20:46,515 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:49,315 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 747 [2021-05-04 02:20:49,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:20:49,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:49,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:49,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:49,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:49,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:49,360 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 40 treesize of output 24 [2021-05-04 02:20:49,365 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:52,153 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 732 [2021-05-04 02:20:52,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:20:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:52,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:52,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:52,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:52,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:52,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:52,240 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 88 treesize of output 44 [2021-05-04 02:20:52,242 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:52,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:52,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:52,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:52,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:52,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:52,298 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 90 treesize of output 46 [2021-05-04 02:20:52,301 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:55,092 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 712 [2021-05-04 02:20:55,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:20:55,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:55,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:55,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:55,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:55,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:55,144 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 80 treesize of output 40 [2021-05-04 02:20:55,147 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:57,729 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 694 [2021-05-04 02:20:57,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:20:57,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:57,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:57,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:57,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:57,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:57,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:57,816 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 50 treesize of output 30 [2021-05-04 02:20:57,823 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-05-04 02:20:57,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:57,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:57,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:20:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:57,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:20:57,872 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 49 treesize of output 29 [2021-05-04 02:20:57,880 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:00,502 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 675 [2021-05-04 02:21:00,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:00,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:00,555 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 64 treesize of output 34 [2021-05-04 02:21:00,558 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:03,246 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 658 [2021-05-04 02:21:03,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:03,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:03,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:03,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:03,311 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 52 treesize of output 30 [2021-05-04 02:21:03,314 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:05,745 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 643 [2021-05-04 02:21:05,745 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:05,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:05,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:05,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:05,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:05,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:05,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:05,814 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 61 treesize of output 35 [2021-05-04 02:21:05,822 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:05,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:05,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:05,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:05,870 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 60 treesize of output 34 [2021-05-04 02:21:05,887 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:08,234 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 624 [2021-05-04 02:21:08,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:08,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:08,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:08,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:08,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:08,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-05-04 02:21:08,395 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:10,681 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 611 [2021-05-04 02:21:10,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:10,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:10,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:10,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:10,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:10,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:10,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:10,829 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 63 treesize of output 35 [2021-05-04 02:21:10,833 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:10,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:10,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:10,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:10,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:10,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:10,878 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 65 treesize of output 37 [2021-05-04 02:21:10,881 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:13,248 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 590 [2021-05-04 02:21:13,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:13,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:13,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:13,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:13,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:13,297 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 41 treesize of output 25 [2021-05-04 02:21:13,310 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:16,005 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 575 [2021-05-04 02:21:16,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:16,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:16,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:16,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:16,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:16,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:16,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:16,085 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 61 treesize of output 35 [2021-05-04 02:21:16,089 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:16,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:16,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:16,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:16,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:16,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:16,137 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 59 treesize of output 33 [2021-05-04 02:21:16,142 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:18,473 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 555 [2021-05-04 02:21:18,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:18,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:18,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:18,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:18,518 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 45 treesize of output 27 [2021-05-04 02:21:18,523 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:20,651 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 540 [2021-05-04 02:21:20,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:20,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:20,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:20,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:20,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:20,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:20,694 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 31 treesize of output 19 [2021-05-04 02:21:20,699 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:22,873 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 527 [2021-05-04 02:21:22,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:22,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:22,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:22,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:22,918 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 45 treesize of output 27 [2021-05-04 02:21:22,923 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:25,407 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 511 [2021-05-04 02:21:25,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:25,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:25,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:25,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:25,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:25,453 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 44 treesize of output 26 [2021-05-04 02:21:25,458 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:27,694 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 495 [2021-05-04 02:21:27,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:27,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:27,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:27,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:27,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:27,741 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 52 treesize of output 28 [2021-05-04 02:21:27,746 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:29,984 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 479 [2021-05-04 02:21:29,985 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:30,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:30,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:30,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:30,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:30,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:30,029 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 62 treesize of output 34 [2021-05-04 02:21:30,034 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:32,264 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 461 [2021-05-04 02:21:32,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:32,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:32,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:32,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:32,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:32,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:32,310 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 52 treesize of output 30 [2021-05-04 02:21:32,315 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:34,694 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 444 [2021-05-04 02:21:34,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:34,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:34,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:34,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:34,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:34,762 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 74 treesize of output 40 [2021-05-04 02:21:34,765 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:34,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:34,808 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 72 treesize of output 38 [2021-05-04 02:21:34,812 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:36,667 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 423 [2021-05-04 02:21:36,669 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:36,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:36,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:36,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:36,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:36,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:36,753 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 53 treesize of output 31 [2021-05-04 02:21:36,759 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:36,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:36,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:36,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:36,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:36,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:36,802 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 54 treesize of output 32 [2021-05-04 02:21:36,808 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:38,749 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 403 [2021-05-04 02:21:38,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:38,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:38,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:38,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:38,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:38,798 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 42 treesize of output 24 [2021-05-04 02:21:38,802 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:40,718 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 388 [2021-05-04 02:21:40,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:40,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:40,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:40,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:40,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:40,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:40,751 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 45 treesize of output 27 [2021-05-04 02:21:40,757 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:42,525 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 372 [2021-05-04 02:21:42,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:42,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:42,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:42,565 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 51 treesize of output 29 [2021-05-04 02:21:42,573 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:44,212 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 356 [2021-05-04 02:21:44,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:44,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:44,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:44,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:44,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:44,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:44,246 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 51 treesize of output 29 [2021-05-04 02:21:44,250 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:45,884 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 339 [2021-05-04 02:21:45,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:45,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:45,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:45,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:45,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:45,917 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 35 treesize of output 21 [2021-05-04 02:21:45,922 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:47,274 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 325 [2021-05-04 02:21:47,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:47,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:47,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:47,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:47,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-05-04 02:21:47,308 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:48,836 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 311 [2021-05-04 02:21:48,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:48,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:48,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:48,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:48,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:48,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:48,869 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 49 treesize of output 29 [2021-05-04 02:21:48,874 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:50,372 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 294 [2021-05-04 02:21:50,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:50,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:50,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:50,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:50,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:50,404 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 39 treesize of output 23 [2021-05-04 02:21:50,409 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:51,906 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 279 [2021-05-04 02:21:51,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:51,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-04 02:21:51,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:51,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:51,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-04 02:21:51,936 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 55 treesize of output 31 [2021-05-04 02:21:51,940 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-05-04 02:21:53,549 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 261 [2021-05-04 02:21:53,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 02:21:53,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 11 xjuncts. [2021-05-04 02:21:53,595 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 96 variables, input treesize:4699, output treesize:162 [2021-05-04 02:21:54,099 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 20 [2021-05-04 02:21:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:21:54,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 02:21:54,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-05-04 02:21:54,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343572881] [2021-05-04 02:21:54,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-05-04 02:21:54,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 02:21:54,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-05-04 02:21:54,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2021-05-04 02:21:54,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:21:54,160 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 02:21:54,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 02:21:54,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:21:54,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:21:54,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:21:54,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:21:54,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:21:54,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:21:54,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:21:54,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:21:54,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 02:21:55,348 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 62 [2021-05-04 02:21:55,632 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2021-05-04 02:21:56,678 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 72 [2021-05-04 02:21:56,932 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2021-05-04 02:21:57,997 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 82 [2021-05-04 02:21:58,492 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-05-04 02:21:59,862 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 277 DAG size of output: 116 [2021-05-04 02:22:00,890 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 106 [2021-05-04 02:22:03,047 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 270 DAG size of output: 170 [2021-05-04 02:22:11,428 WARN L205 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2021-05-04 02:22:27,991 WARN L205 SmtUtils]: Spent 16.04 s on a formula simplification. DAG size of input: 586 DAG size of output: 561 [2021-05-04 02:22:28,990 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2021-05-04 02:22:29,912 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-05-04 02:22:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 02:22:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 02:22:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 02:22:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-04 02:22:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 02:22:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:22:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-04 02:22:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 02:22:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-04 02:22:30,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:22:30,258 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 02:22:30,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 02:22:30,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1819100417, now seen corresponding path program 6 times [2021-05-04 02:22:30,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 02:22:30,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506893169] [2021-05-04 02:22:30,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 02:22:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 02:22:31,871 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-05-04 02:22:32,316 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2021-05-04 02:22:33,440 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-05-04 02:22:36,648 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 210 DAG size of output: 154 [2021-05-04 02:22:36,786 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 295 [2021-05-04 02:22:41,804 WARN L205 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 295 DAG size of output: 189 [2021-05-04 02:22:41,947 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 298 [2021-05-04 02:22:47,273 WARN L205 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 298 DAG size of output: 192 [2021-05-04 02:22:47,451 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 350 [2021-05-04 02:22:54,522 WARN L205 SmtUtils]: Spent 6.87 s on a formula simplification. DAG size of input: 350 DAG size of output: 236 [2021-05-04 02:22:54,666 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 349 [2021-05-04 02:23:03,379 WARN L205 SmtUtils]: Spent 8.52 s on a formula simplification. DAG size of input: 349 DAG size of output: 208 [2021-05-04 02:23:03,582 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 324 [2021-05-04 02:23:08,325 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 324 DAG size of output: 121 [2021-05-04 02:23:08,468 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 257 [2021-05-04 02:23:11,451 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 257 DAG size of output: 87 [2021-05-04 02:23:13,213 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 189 DAG size of output: 70 [2021-05-04 02:23:15,073 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 184 DAG size of output: 65 [2021-05-04 02:23:17,298 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 179 DAG size of output: 46 [2021-05-04 02:23:18,272 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2021-05-04 02:23:18,977 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 15 [2021-05-04 02:23:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 02:23:18,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506893169] [2021-05-04 02:23:18,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35182229] [2021-05-04 02:23:18,981 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 [2021-05-04 02:23:19,038 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-04 02:23:19,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 02:23:19,039 WARN L261 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 67 conjunts are in the unsatisfiable core [2021-05-04 02:23:19,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 02:23:19,599 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-05-04 02:23:19,981 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-05-04 02:23:20,664 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-05-04 02:23:21,514 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-05-04 02:23:22,285 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-05-04 02:23:33,539 WARN L205 SmtUtils]: Spent 10.01 s on a formula simplification that was a NOOP. DAG size: 187 [2021-05-04 02:23:46,587 WARN L205 SmtUtils]: Spent 11.61 s on a formula simplification that was a NOOP. DAG size: 710 [2021-05-04 02:24:03,090 WARN L205 SmtUtils]: Spent 12.04 s on a formula simplification that was a NOOP. DAG size: 713 [2021-05-04 02:24:15,671 WARN L205 SmtUtils]: Spent 9.17 s on a formula simplification that was a NOOP. DAG size: 714 [2021-05-04 02:24:30,799 WARN L205 SmtUtils]: Spent 12.27 s on a formula simplification that was a NOOP. DAG size: 716 [2021-05-04 02:24:46,491 WARN L205 SmtUtils]: Spent 13.42 s on a formula simplification that was a NOOP. DAG size: 717 [2021-05-04 02:24:59,955 WARN L205 SmtUtils]: Spent 11.17 s on a formula simplification that was a NOOP. DAG size: 720 [2021-05-04 02:25:18,403 WARN L205 SmtUtils]: Spent 16.02 s on a formula simplification that was a NOOP. DAG size: 712 Received shutdown request... [2021-05-04 02:34:25,740 WARN L222 SmtUtils]: Removed 94 from assertion stack [2021-05-04 02:34:25,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable319,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 02:34:25,942 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-04 02:34:25,950 WARN L224 ceAbstractionStarter]: Timeout [2021-05-04 02:34:25,951 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 02:34:25 BasicIcfg [2021-05-04 02:34:25,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-04 02:34:25,951 INFO L168 Benchmark]: Toolchain (without parser) took 885757.37 ms. Allocated memory was 255.9 MB in the beginning and 536.9 MB in the end (delta: 281.0 MB). Free memory was 234.6 MB in the beginning and 466.5 MB in the end (delta: -231.9 MB). Peak memory consumption was 329.1 MB. Max. memory is 16.0 GB. [2021-05-04 02:34:25,951 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 235.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-04 02:34:25,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.92 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-04 02:34:25,951 INFO L168 Benchmark]: Boogie Preprocessor took 29.96 ms. Allocated memory is still 255.9 MB. Free memory was 233.0 MB in the beginning and 232.1 MB in the end (delta: 949.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-04 02:34:25,951 INFO L168 Benchmark]: RCFGBuilder took 441.13 ms. Allocated memory is still 255.9 MB. Free memory was 231.9 MB in the beginning and 218.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-05-04 02:34:25,951 INFO L168 Benchmark]: TraceAbstraction took 885196.45 ms. Allocated memory was 255.9 MB in the beginning and 536.9 MB in the end (delta: 281.0 MB). Free memory was 218.0 MB in the beginning and 466.5 MB in the end (delta: -248.5 MB). Peak memory consumption was 312.3 MB. Max. memory is 16.0 GB. [2021-05-04 02:34:25,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 235.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.92 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.96 ms. Allocated memory is still 255.9 MB. Free memory was 233.0 MB in the beginning and 232.1 MB in the end (delta: 949.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 441.13 ms. Allocated memory is still 255.9 MB. Free memory was 231.9 MB in the beginning and 218.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 885196.45 ms. Allocated memory was 255.9 MB in the beginning and 536.9 MB in the end (delta: 281.0 MB). Free memory was 218.0 MB in the beginning and 466.5 MB in the end (delta: -248.5 MB). Peak memory consumption was 312.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 269, positive: 262, positive conditional: 0, positive unconditional: 262, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 227, positive: 220, positive conditional: 0, positive unconditional: 220, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 227, positive: 213, positive conditional: 0, positive unconditional: 213, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 269, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 227, unknown conditional: 0, unknown unconditional: 227] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 134, Number of persistent set computation: 306, Number of trivial persistent sets: 298, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 269, positive: 262, positive conditional: 0, positive unconditional: 262, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 227, positive: 220, positive conditional: 0, positive unconditional: 220, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 227, positive: 213, positive conditional: 0, positive unconditional: 213, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 269, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 227, unknown conditional: 0, unknown unconditional: 227] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 68). Cancelled while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2357 for 519468ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 884972.3ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 40369.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 97, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 66.8ms SsaConstructionTime, 473.0ms SatisfiabilityAnalysisTime, 126463.7ms InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 442 ConstructedInterpolants, 32 QuantifiedInterpolants, 70283 SizeOfPredicates, 35 NumberOfNonLiveVariables, 574 ConjunctsInSsa, 150 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 61/253 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown