/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 04:04:42,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 04:04:42,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 04:04:42,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 04:04:42,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 04:04:42,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 04:04:42,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 04:04:42,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf [2021-06-07 04:04:42,980 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 04:04:42,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 04:04:42,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 04:04:42,981 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 04:04:42,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 04:04:42,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 04:04:42,983 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 04:04:42,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 04:04:42,983 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 04:04:42,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 04:04:42,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 04:04:42,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 04:04:42,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 04:04:42,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 04:04:42,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 04:04:42,984 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 04:04:42,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 04:04:42,984 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 04:04:42,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 04:04:42,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 04:04:42,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 04:04:42,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 04:04:42,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 04:04:42,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 04:04:42,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 04:04:42,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 04:04:42,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 04:04:42,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 04:04:42,985 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 04:04:42,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 04:04:42,986 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 04:04:42,986 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 04:04:42,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 04:04:42,986 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 04:04:42,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 04:04:42,987 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 04:04:43,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 04:04:43,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 04:04:43,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 04:04:43,289 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 04:04:43,290 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 04:04:43,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-06-07 04:04:43,291 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-06-07 04:04:43,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 04:04:43,311 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 04:04:43,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 04:04:43,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 04:04:43,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 04:04:43,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (1/1) ... [2021-06-07 04:04:43,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (1/1) ... [2021-06-07 04:04:43,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 04:04:43,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 04:04:43,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 04:04:43,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 04:04:43,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (1/1) ... [2021-06-07 04:04:43,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (1/1) ... [2021-06-07 04:04:43,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (1/1) ... [2021-06-07 04:04:43,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (1/1) ... [2021-06-07 04:04:43,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (1/1) ... [2021-06-07 04:04:43,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (1/1) ... [2021-06-07 04:04:43,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (1/1) ... [2021-06-07 04:04:43,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 04:04:43,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 04:04:43,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 04:04:43,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 04:04:43,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (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 [2021-06-07 04:04:43,401 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 04:04:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 04:04:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 04:04:43,402 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 04:04:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 04:04:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 04:04:43,403 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 04:04:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 04:04:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 04:04:43,403 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 04:04:43,552 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 04:04:43,552 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 04:04:43,554 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:04:43 BoogieIcfgContainer [2021-06-07 04:04:43,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 04:04:43,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 04:04:43,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 04:04:43,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 04:04:43,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 04:04:43" (1/2) ... [2021-06-07 04:04:43,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4d09a5 and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 04:04:43, skipping insertion in model container [2021-06-07 04:04:43,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 04:04:43" (2/2) ... [2021-06-07 04:04:43,558 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-06-07 04:04:43,578 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 04:04:43,578 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 04:04:43,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 04:04:43,578 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 04:04:43,596 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-07 04:04:43,610 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-06-07 04:04:43,661 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 04:04:43,662 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 04:04:43,662 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 04:04:43,662 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 04:04:43,662 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 04:04:43,662 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 04:04:43,662 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 04:04:43,662 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 04:04:43,681 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:43,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:43,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1639567695, now seen corresponding path program 1 times [2021-06-07 04:04:43,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:43,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077720711] [2021-06-07 04:04:43,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:43,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:43,815 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077720711] [2021-06-07 04:04:43,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077720711] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 04:04:43,815 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 04:04:43,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 04:04:43,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947607685] [2021-06-07 04:04:43,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 04:04:43,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:43,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 04:04:43,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 04:04:43,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:43,834 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:43,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:43,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:43,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:43,855 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 04:04:43,855 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:43,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:43,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1888500335, now seen corresponding path program 1 times [2021-06-07 04:04:43,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:43,860 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125458213] [2021-06-07 04:04:43,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:43,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:43,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125458213] [2021-06-07 04:04:43,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125458213] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 04:04:43,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 04:04:43,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-07 04:04:43,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53724994] [2021-06-07 04:04:43,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 04:04:43,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:43,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 04:04:43,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-07 04:04:43,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:43,951 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:43,951 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:43,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:43,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:44,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:44,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:44,075 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 04:04:44,075 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:44,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:44,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1495366637, now seen corresponding path program 1 times [2021-06-07 04:04:44,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:44,076 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388642346] [2021-06-07 04:04:44,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:44,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:44,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388642346] [2021-06-07 04:04:44,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388642346] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:44,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479541875] [2021-06-07 04:04:44,243 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) [2021-06-07 04:04:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:44,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:44,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:44,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:44,449 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 19 treesize of output 7 [2021-06-07 04:04:44,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:44,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:44,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:44,475 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-06-07 04:04:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:44,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479541875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:44,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:44,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-07 04:04:44,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989926604] [2021-06-07 04:04:44,509 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 04:04:44,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:44,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 04:04:44,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-07 04:04:44,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:44,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:44,511 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:44,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:44,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:44,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:44,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:44,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:44,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:44,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:44,789 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:44,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:44,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1105190033, now seen corresponding path program 2 times [2021-06-07 04:04:44,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:44,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773091896] [2021-06-07 04:04:44,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:44,860 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:44,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773091896] [2021-06-07 04:04:44,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773091896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:44,860 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629574204] [2021-06-07 04:04:44,860 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 [2021-06-07 04:04:44,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 04:04:44,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:44,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 04:04:44,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:45,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629574204] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:45,039 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:45,039 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-06-07 04:04:45,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754260077] [2021-06-07 04:04:45,040 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 04:04:45,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:45,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 04:04:45,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-06-07 04:04:45,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:45,041 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:45,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:45,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:45,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:45,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:45,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:45,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:45,417 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:45,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:45,417 INFO L82 PathProgramCache]: Analyzing trace with hash 110750193, now seen corresponding path program 3 times [2021-06-07 04:04:45,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:45,418 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360829141] [2021-06-07 04:04:45,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:45,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:45,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360829141] [2021-06-07 04:04:45,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360829141] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:45,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364529590] [2021-06-07 04:04:45,515 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:45,541 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 04:04:45,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:45,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 04:04:45,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:45,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:45,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:45,678 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 7 [2021-06-07 04:04:45,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:45,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:45,690 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:45,690 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:7 [2021-06-07 04:04:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:45,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364529590] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:45,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:45,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-07 04:04:45,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802336928] [2021-06-07 04:04:45,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 04:04:45,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:45,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 04:04:45,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-07 04:04:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:45,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:45,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 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) [2021-06-07 04:04:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:45,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:45,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:46,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:46,017 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:46,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:46,018 INFO L82 PathProgramCache]: Analyzing trace with hash -183173005, now seen corresponding path program 4 times [2021-06-07 04:04:46,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:46,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982906955] [2021-06-07 04:04:46,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:46,102 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:46,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982906955] [2021-06-07 04:04:46,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982906955] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:46,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745394156] [2021-06-07 04:04:46,103 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:46,142 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 04:04:46,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:46,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-07 04:04:46,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:46,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745394156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:46,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:46,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2021-06-07 04:04:46,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985385934] [2021-06-07 04:04:46,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-07 04:04:46,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:46,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-07 04:04:46,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-06-07 04:04:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:46,306 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:46,306 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 17 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:46,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:46,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:46,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:46,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:46,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:46,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:46,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-07 04:04:46,765 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:46,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:46,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1405851125, now seen corresponding path program 5 times [2021-06-07 04:04:46,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:46,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624601526] [2021-06-07 04:04:46,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:47,038 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:47,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624601526] [2021-06-07 04:04:47,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624601526] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:47,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311528789] [2021-06-07 04:04:47,040 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:47,065 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-07 04:04:47,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:47,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-07 04:04:47,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:47,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:47,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:47,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:47,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:47,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:47,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:47,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:47,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:47,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 7 [2021-06-07 04:04:47,260 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:47,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:47,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:47,268 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:7 [2021-06-07 04:04:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:47,288 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311528789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:47,288 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:47,288 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 20 [2021-06-07 04:04:47,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387398189] [2021-06-07 04:04:47,289 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-07 04:04:47,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:47,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-07 04:04:47,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2021-06-07 04:04:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:47,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:47,290 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.142857142857143) internal successors, (45), 20 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 04:04:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:47,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:47,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:47,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:47,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:47,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:47,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:47,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:48,144 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:48,145 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:48,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:48,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1802469369, now seen corresponding path program 6 times [2021-06-07 04:04:48,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:48,145 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363138892] [2021-06-07 04:04:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:48,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:48,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363138892] [2021-06-07 04:04:48,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363138892] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:48,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755425859] [2021-06-07 04:04:48,453 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:48,503 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-07 04:04:48,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:48,504 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-07 04:04:48,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:48,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:48,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:48,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:48,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:48,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:48,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:48,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:48,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:48,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:48,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:48,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:48,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 7 [2021-06-07 04:04:48,857 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:48,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:48,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:48,863 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-06-07 04:04:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:48,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755425859] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:48,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:48,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-06-07 04:04:48,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144619248] [2021-06-07 04:04:48,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-07 04:04:48,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:48,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-07 04:04:48,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=654, Unknown=0, NotChecked=0, Total=756 [2021-06-07 04:04:48,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:48,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:48,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 27 states have internal predecessors, (53), 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) [2021-06-07 04:04:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:48,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:48,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:48,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:48,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:48,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:48,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:48,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:50,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:50,126 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:50,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:50,126 INFO L82 PathProgramCache]: Analyzing trace with hash 834578429, now seen corresponding path program 7 times [2021-06-07 04:04:50,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:50,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636878327] [2021-06-07 04:04:50,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:50,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:50,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636878327] [2021-06-07 04:04:50,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636878327] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:50,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186864801] [2021-06-07 04:04:50,482 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-07 04:04:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:50,509 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-07 04:04:50,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:50,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:50,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:50,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:50,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:50,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:50,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:50,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 7 [2021-06-07 04:04:50,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:50,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:50,849 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:50,849 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:91, output treesize:7 [2021-06-07 04:04:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:50,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186864801] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:50,880 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:50,880 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 28 [2021-06-07 04:04:50,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277906040] [2021-06-07 04:04:50,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-07 04:04:50,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:50,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-07 04:04:50,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2021-06-07 04:04:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:50,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:50,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.103448275862069) internal successors, (61), 28 states have internal predecessors, (61), 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) [2021-06-07 04:04:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:52,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-07 04:04:52,384 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:52,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:52,384 INFO L82 PathProgramCache]: Analyzing trace with hash 74583553, now seen corresponding path program 8 times [2021-06-07 04:04:52,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:52,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886628728] [2021-06-07 04:04:52,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:52,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:52,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886628728] [2021-06-07 04:04:52,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886628728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:52,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427658267] [2021-06-07 04:04:52,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:52,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 04:04:52,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:52,831 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-07 04:04:52,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:53,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:53,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:53,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:53,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:53,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 7 [2021-06-07 04:04:53,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 04:04:53,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:53,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 04:04:53,258 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-06-07 04:04:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:53,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427658267] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:53,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 04:04:53,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-06-07 04:04:53,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431692350] [2021-06-07 04:04:53,281 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-07 04:04:53,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 04:04:53,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-07 04:04:53,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=927, Unknown=0, NotChecked=0, Total=1056 [2021-06-07 04:04:53,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:53,282 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 04:04:53,282 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.090909090909091) internal successors, (69), 32 states have internal predecessors, (69), 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) [2021-06-07 04:04:53,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:53,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:53,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:53,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:53,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:53,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:53,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:53,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:53,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:53,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 04:04:54,287 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2021-06-07 04:04:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 04:04:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 04:04:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 04:04:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 04:04:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 04:04:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 04:04:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 04:04:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 04:04:54,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 04:04:54,974 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:54,975 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 04:04:54,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 04:04:54,975 INFO L82 PathProgramCache]: Analyzing trace with hash 2059579909, now seen corresponding path program 9 times [2021-06-07 04:04:54,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 04:04:54,975 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454459462] [2021-06-07 04:04:54,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 04:04:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 04:04:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 04:04:55,449 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 04:04:55,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454459462] [2021-06-07 04:04:55,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454459462] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 04:04:55,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025009572] [2021-06-07 04:04:55,449 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:04:55,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-07 04:04:55,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 04:04:55,495 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 63 conjunts are in the unsatisfiable core [2021-06-07 04:04:55,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 04:04:57,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:57,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:57,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:57,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 04:04:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 04:04:57,238 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-06-07 04:04:57,239 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 04:04:57,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 15 disjoint index pairs (out of 91 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 121 treesize of output 345 [2021-06-07 04:04:57,962 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 284 [2021-06-07 04:04:58,193 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 319 [2021-06-07 04:04:58,457 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 348 [2021-06-07 04:04:59,042 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 229 [2021-06-07 04:04:59,802 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 338 [2021-06-07 04:05:00,795 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 439 [2021-06-07 04:05:01,628 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 530 [2021-06-07 04:05:03,059 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 667 DAG size of output: 681 [2021-06-07 04:05:03,666 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 277 [2021-06-07 04:05:04,174 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 328 [2021-06-07 04:05:04,672 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 268 [2021-06-07 04:05:05,164 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 450 [2021-06-07 04:05:07,636 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 902 DAG size of output: 920 [2021-06-07 04:05:10,065 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 902 DAG size of output: 920 [2021-06-07 04:05:12,547 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 910 DAG size of output: 928 [2021-06-07 04:05:14,329 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 691 DAG size of output: 830 [2021-06-07 04:05:16,345 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 688 DAG size of output: 996 [2021-06-07 04:05:16,516 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 223 [2021-06-07 04:05:16,784 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 317 [2021-06-07 04:05:17,080 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 437 [2021-06-07 04:05:17,680 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 306 [2021-06-07 04:05:18,033 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 474 [2021-06-07 04:05:18,287 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 182 [2021-06-07 04:05:18,953 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 285 [2021-06-07 04:05:20,014 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 418 [2021-06-07 04:05:20,740 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 459 [2021-06-07 04:05:21,661 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 300 [2021-06-07 04:05:23,938 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 988 DAG size of output: 955 [2021-06-07 04:05:29,853 WARN L205 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 2710 DAG size of output: 2459 [2021-06-07 04:05:38,502 WARN L205 SmtUtils]: Spent 8.64 s on a formula simplification. DAG size of input: 2965 DAG size of output: 2725 [2021-06-07 04:05:39,230 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 580 [2021-06-07 04:05:39,982 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 664 [2021-06-07 04:05:40,221 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 347 [2021-06-07 04:05:40,415 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 343 [2021-06-07 04:05:41,236 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 497 [2021-06-07 04:05:41,900 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 500 [2021-06-07 04:05:42,300 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 305 [2021-06-07 04:05:42,452 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 378 [2021-06-07 04:05:43,130 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 456 [2021-06-07 04:05:43,358 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 326 [2021-06-07 04:05:44,524 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 228 [2021-06-07 04:05:45,287 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 737 [2021-06-07 04:05:46,647 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1051 DAG size of output: 962 [2021-06-07 04:05:49,110 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1231 [2021-06-07 04:05:52,522 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 1593 DAG size of output: 1511 [2021-06-07 04:05:57,136 WARN L205 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 1610 DAG size of output: 1528 [2021-06-07 04:06:12,647 WARN L205 SmtUtils]: Spent 15.50 s on a formula simplification. DAG size of input: 4098 DAG size of output: 3817 [2021-06-07 04:06:28,143 WARN L205 SmtUtils]: Spent 15.48 s on a formula simplification. DAG size of input: 4098 DAG size of output: 3817 [2021-06-07 04:06:44,344 WARN L205 SmtUtils]: Spent 16.17 s on a formula simplification. DAG size of input: 4100 DAG size of output: 3816 [2021-06-07 04:06:45,081 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 3816 [2021-06-07 04:06:52,880 WARN L205 SmtUtils]: Spent 7.79 s on a formula simplification. DAG size of input: 1523 DAG size of output: 2055 [2021-06-07 04:06:58,684 WARN L205 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 1434 DAG size of output: 1915 [2021-06-07 04:06:58,892 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 1382 [2021-06-07 04:06:59,047 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 1365 [2021-06-07 04:06:59,192 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 281 [2021-06-07 04:06:59,306 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 276 [2021-06-07 04:06:59,479 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 276 [2021-06-07 04:06:59,589 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 233 [2021-06-07 04:06:59,893 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 296 [2021-06-07 04:07:00,095 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 388 [2021-06-07 04:07:00,431 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 455 [2021-06-07 04:07:00,934 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 462 [2021-06-07 04:07:01,511 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 313 [2021-06-07 04:07:02,720 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 373 [2021-06-07 04:07:03,034 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 485 [2021-06-07 04:07:03,527 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 558 [2021-06-07 04:07:04,814 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1074 DAG size of output: 1012 [2021-06-07 04:07:07,654 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 1130 DAG size of output: 1628 [2021-06-07 04:07:10,215 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 1036 DAG size of output: 1425 [2021-06-07 04:07:10,491 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 409 [2021-06-07 04:07:10,875 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 424 [2021-06-07 04:07:11,511 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 267 [2021-06-07 04:07:11,876 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 338 [2021-06-07 04:07:12,505 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 522 [2021-06-07 04:07:13,027 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 745 DAG size of output: 664 [2021-06-07 04:07:16,754 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 2076 DAG size of output: 1867 [2021-06-07 04:07:21,429 WARN L205 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 2471 DAG size of output: 2239 [2021-06-07 04:07:28,683 WARN L205 SmtUtils]: Spent 7.24 s on a formula simplification. DAG size of input: 3325 DAG size of output: 3027 [2021-06-07 04:07:29,073 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 515 [2021-06-07 04:07:29,644 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 490 [2021-06-07 04:07:30,354 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 232 [2021-06-07 04:07:30,583 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 350 [2021-06-07 04:07:31,567 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 299 [2021-06-07 04:07:31,802 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 350 [2021-06-07 04:07:32,432 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 667 [2021-06-07 04:07:33,445 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 878 DAG size of output: 782 [2021-06-07 04:07:34,934 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1055 DAG size of output: 962 [2021-06-07 04:07:45,385 WARN L205 SmtUtils]: Spent 10.44 s on a formula simplification. DAG size of input: 3884 DAG size of output: 3480 [2021-06-07 04:08:01,057 WARN L205 SmtUtils]: Spent 15.65 s on a formula simplification. DAG size of input: 4625 DAG size of output: 4180 [2021-06-07 04:08:23,223 WARN L205 SmtUtils]: Spent 22.15 s on a formula simplification. DAG size of input: 5604 DAG size of output: 5092 [2021-06-07 04:08:23,699 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 2725 [2021-06-07 04:08:34,255 WARN L205 SmtUtils]: Spent 10.54 s on a formula simplification. DAG size of input: 2463 DAG size of output: 3359 [2021-06-07 04:08:34,544 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 341 [2021-06-07 04:08:34,925 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 368 [2021-06-07 04:08:35,493 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 288 [2021-06-07 04:08:36,033 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 471 [2021-06-07 04:08:36,226 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 492 [2021-06-07 04:08:37,545 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 710 [2021-06-07 04:08:38,329 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 988 DAG size of output: 924 [2021-06-07 04:08:39,011 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 349 [2021-06-07 04:08:39,630 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 316 [2021-06-07 04:08:39,982 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 400 [2021-06-07 04:08:40,761 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 306 [2021-06-07 04:08:41,044 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 296 [2021-06-07 04:08:42,067 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 684 DAG size of output: 883 [2021-06-07 04:08:42,671 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 319 [2021-06-07 04:08:43,437 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1019 [2021-06-07 04:08:44,752 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1414 DAG size of output: 1213 [2021-06-07 04:08:57,024 WARN L205 SmtUtils]: Spent 12.26 s on a formula simplification. DAG size of input: 5500 DAG size of output: 4706 [2021-06-07 04:08:58,496 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 632 DAG size of output: 930 [2021-06-07 04:08:58,889 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 266 [2021-06-07 04:08:59,450 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-07 04:08:59,673 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 339 [2021-06-07 04:08:59,929 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 263 [2021-06-07 04:09:00,507 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 343 [2021-06-07 04:09:01,084 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 576 [2021-06-07 04:09:01,906 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 347 [2021-06-07 04:09:02,510 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 257 [2021-06-07 04:09:03,062 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 345 [2021-06-07 04:09:03,542 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 645 DAG size of output: 568 [2021-06-07 04:09:04,822 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1045 [2021-06-07 04:09:05,576 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 333 [2021-06-07 04:09:05,805 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 394 [2021-06-07 04:09:06,142 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 464 [2021-06-07 04:09:08,174 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1612 DAG size of output: 1369 [2021-06-07 04:09:08,924 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 414 [2021-06-07 04:09:09,400 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 335 [2021-06-07 04:09:10,134 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 256 [2021-06-07 04:09:10,386 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 287 [2021-06-07 04:09:10,780 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 348 [2021-06-07 04:09:11,444 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 484 [2021-06-07 04:09:12,527 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 688 DAG size of output: 599 [2021-06-07 04:09:16,303 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 2119 DAG size of output: 1797 [2021-06-07 04:09:21,772 WARN L205 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 2404 DAG size of output: 2102 [2021-06-07 04:09:42,527 WARN L205 SmtUtils]: Spent 20.74 s on a formula simplification. DAG size of input: 7081 DAG size of output: 6061 [2021-06-07 04:10:29,945 WARN L205 SmtUtils]: Spent 47.38 s on a formula simplification. DAG size of input: 11904 DAG size of output: 10425 [2021-06-07 04:11:17,339 WARN L205 SmtUtils]: Spent 47.34 s on a formula simplification. DAG size of input: 11904 DAG size of output: 10425 [2021-06-07 04:12:07,190 WARN L205 SmtUtils]: Spent 49.80 s on a formula simplification. DAG size of input: 11906 DAG size of output: 10401 [2021-06-07 04:12:09,670 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 10402 [2021-06-07 04:12:09,840 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 1281 [2021-06-07 04:12:13,595 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 1265 DAG size of output: 1804 [2021-06-07 04:12:15,721 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1118 DAG size of output: 1620 [2021-06-07 04:12:15,831 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 1068 [2021-06-07 04:12:16,331 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 205 [2021-06-07 04:12:16,439 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 296 [2021-06-07 04:12:16,641 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 309 [2021-06-07 04:12:16,932 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-07 04:12:17,120 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 306 [2021-06-07 04:12:17,737 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 239 [2021-06-07 04:12:18,243 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 570 [2021-06-07 04:12:18,545 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 360 [2021-06-07 04:12:18,748 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 345 [2021-06-07 04:12:19,091 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 308 [2021-06-07 04:12:19,335 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 416 [2021-06-07 04:12:20,318 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 315 [2021-06-07 04:12:20,775 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 660 DAG size of output: 426 [2021-06-07 04:12:21,184 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 842 DAG size of output: 531 [2021-06-07 04:12:21,529 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 359 [2021-06-07 04:12:22,012 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 220 [2021-06-07 04:12:22,217 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 342 [2021-06-07 04:12:23,225 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1460 DAG size of output: 1021 [2021-06-07 04:12:25,037 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 2031 DAG size of output: 1417 [2021-06-07 04:12:28,042 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 2254 DAG size of output: 1610 [2021-06-07 04:12:32,524 WARN L205 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 2742 DAG size of output: 2001 [2021-06-07 04:12:32,986 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 473 [2021-06-07 04:12:33,631 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 256 [2021-06-07 04:12:33,838 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 239 [2021-06-07 04:12:33,992 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 290 [2021-06-07 04:12:34,286 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 403 [2021-06-07 04:12:34,742 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 212 [2021-06-07 04:12:35,038 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 273 [2021-06-07 04:12:35,605 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 593 [2021-06-07 04:12:36,392 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 719 [2021-06-07 04:12:42,636 WARN L205 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 3144 DAG size of output: 2272 [2021-06-07 04:13:09,197 WARN L205 SmtUtils]: Spent 26.53 s on a formula simplification. DAG size of input: 6049 DAG size of output: 8654 [2021-06-07 04:13:09,469 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 342 [2021-06-07 04:13:09,705 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 318 [2021-06-07 04:13:10,312 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 241 [2021-06-07 04:13:10,510 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 302 [2021-06-07 04:13:10,850 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 315 [2021-06-07 04:13:11,698 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 662 [2021-06-07 04:13:12,121 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 339 [2021-06-07 04:13:12,967 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 373 [2021-06-07 04:13:13,629 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 336 [2021-06-07 04:13:14,238 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 891 DAG size of output: 582 [2021-06-07 04:13:15,184 WARN L205 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 1045 DAG size of output: 728 [2021-06-07 04:13:17,403 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 302 [2021-06-07 04:13:17,510 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-06-07 04:13:18,075 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 201 [2021-06-07 04:13:18,374 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 309 [2021-06-07 04:13:20,603 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 650 DAG size of output: 843 [2021-06-07 04:13:21,184 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 640 [2021-06-07 04:13:22,448 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 168 [2021-06-07 04:13:22,745 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 351 [2021-06-07 04:13:23,246 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 512 [2021-06-07 04:13:24,326 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1168 DAG size of output: 831 [2021-06-07 04:13:24,916 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 319 [2021-06-07 04:13:26,411 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 430 [2021-06-07 04:13:27,018 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 373 [2021-06-07 04:13:28,004 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 266 Received shutdown request... [2021-06-07 04:19:16,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 04:19:16,782 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-07 04:19:16,787 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 04:19:16,789 WARN L196 ceAbstractionStarter]: Timeout [2021-06-07 04:19:16,789 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 04:19:16 BasicIcfg [2021-06-07 04:19:16,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 04:19:16,789 INFO L168 Benchmark]: Toolchain (without parser) took 873478.48 ms. Allocated memory was 335.5 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 317.0 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. [2021-06-07 04:19:16,789 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 335.5 MB. Free memory is still 318.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 04:19:16,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.54 ms. Allocated memory is still 335.5 MB. Free memory was 317.0 MB in the beginning and 315.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 04:19:16,790 INFO L168 Benchmark]: Boogie Preprocessor took 12.79 ms. Allocated memory is still 335.5 MB. Free memory was 315.6 MB in the beginning and 314.6 MB in the end (delta: 978.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 04:19:16,790 INFO L168 Benchmark]: RCFGBuilder took 207.67 ms. Allocated memory is still 335.5 MB. Free memory was 314.6 MB in the beginning and 303.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-07 04:19:16,790 INFO L168 Benchmark]: TraceAbstraction took 873234.26 ms. Allocated memory was 335.5 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 302.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. [2021-06-07 04:19:16,790 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 0.10 ms. Allocated memory is still 335.5 MB. Free memory is still 318.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.54 ms. Allocated memory is still 335.5 MB. Free memory was 317.0 MB in the beginning and 315.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.79 ms. Allocated memory is still 335.5 MB. Free memory was 315.6 MB in the beginning and 314.6 MB in the end (delta: 978.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 207.67 ms. Allocated memory is still 335.5 MB. Free memory was 314.6 MB in the beginning and 303.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 873234.26 ms. Allocated memory was 335.5 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 302.8 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 804, positive: 548, positive conditional: 548, positive unconditional: 0, negative: 256, negative conditional: 256, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 548, positive: 548, positive conditional: 548, 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: 548, positive: 548, positive conditional: 0, positive unconditional: 548, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 548, positive: 521, positive conditional: 0, positive unconditional: 521, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 256 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 43 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 3 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 31 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 873153.1ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.6ms, PartialOrderReductionTime: 5187.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 161, 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: 37.2ms SsaConstructionTime, 170.4ms SatisfiabilityAnalysisTime, 3951.7ms InterpolantComputationTime, 454 NumberOfCodeBlocks, 454 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 436 ConstructedInterpolants, 0 QuantifiedInterpolants, 9799 SizeOfPredicates, 23 NumberOfNonLiveVariables, 474 ConjunctsInSsa, 206 ConjunctsInUnsatCore, 18 InterpolantComputations, 2 PerfectInterpolantSequences, 28/401 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