/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 16:22:30,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 16:22:30,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 16:22:30,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 16:22:31,011 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-Random42.epf [2021-06-06 16:22:31,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 16:22:31,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 16:22:31,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 16:22:31,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 16:22:31,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 16:22:31,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 16:22:31,041 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 16:22:31,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 16:22:31,041 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 16:22:31,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 16:22:31,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 16:22:31,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 16:22:31,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 16:22:31,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 16:22:31,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 16:22:31,043 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 16:22:31,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 16:22:31,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 16:22:31,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 16:22:31,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 16:22:31,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 16:22:31,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 16:22:31,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 16:22:31,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 16:22:31,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 16:22:31,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 16:22:31,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 16:22:31,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 16:22:31,044 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 16:22:31,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 16:22:31,044 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 16:22:31,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 16:22:31,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 16:22:31,045 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 16:22:31,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 16:22:31,045 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 16:22:31,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 16:22:31,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 16:22:31,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 16:22:31,335 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 16:22:31,337 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 16:22:31,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2021-06-06 16:22:31,338 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-06-06 16:22:31,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 16:22:31,365 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 16:22:31,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 16:22:31,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 16:22:31,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 16:22:31,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (1/1) ... [2021-06-06 16:22:31,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (1/1) ... [2021-06-06 16:22:31,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 16:22:31,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 16:22:31,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 16:22:31,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 16:22:31,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (1/1) ... [2021-06-06 16:22:31,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (1/1) ... [2021-06-06 16:22:31,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (1/1) ... [2021-06-06 16:22:31,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (1/1) ... [2021-06-06 16:22:31,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (1/1) ... [2021-06-06 16:22:31,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (1/1) ... [2021-06-06 16:22:31,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (1/1) ... [2021-06-06 16:22:31,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 16:22:31,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 16:22:31,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 16:22:31,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 16:22:31,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (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 [2021-06-06 16:22:31,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 16:22:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 16:22:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 16:22:31,470 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 16:22:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 16:22:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 16:22:31,471 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 16:22:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 16:22:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 16:22:31,471 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 16:22:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 16:22:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 16:22:31,472 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 16:22:31,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 16:22:31,715 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 16:22:31,717 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:22:31 BoogieIcfgContainer [2021-06-06 16:22:31,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 16:22:31,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 16:22:31,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 16:22:31,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 16:22:31,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 04:22:31" (1/2) ... [2021-06-06 16:22:31,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2246910a and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 04:22:31, skipping insertion in model container [2021-06-06 16:22:31,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 04:22:31" (2/2) ... [2021-06-06 16:22:31,724 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-06-06 16:22:31,728 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 16:22:31,728 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 16:22:31,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 16:22:31,729 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 16:22:31,783 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 16:22:31,804 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 16:22:31,843 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 16:22:31,843 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 16:22:31,843 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 16:22:31,843 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 16:22:31,843 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 16:22:31,843 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 16:22:31,843 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 16:22:31,843 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 16:22:31,871 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:22:31,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:22:31,875 INFO L82 PathProgramCache]: Analyzing trace with hash -674033104, now seen corresponding path program 1 times [2021-06-06 16:22:31,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:22:31,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943970168] [2021-06-06 16:22:31,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:22:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:22:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:22:31,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:22:31,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943970168] [2021-06-06 16:22:31,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943970168] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 16:22:31,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 16:22:31,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 16:22:31,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653662868] [2021-06-06 16:22:31,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 16:22:31,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:22:31,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 16:22:31,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 16:22:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:31,988 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:22:31,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 16:22:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 16:22:32,073 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:22:32,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:22:32,073 INFO L82 PathProgramCache]: Analyzing trace with hash 342937371, now seen corresponding path program 1 times [2021-06-06 16:22:32,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:22:32,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629658992] [2021-06-06 16:22:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:22:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:22:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 16:22:32,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:22:32,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629658992] [2021-06-06 16:22:32,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629658992] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 16:22:32,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 16:22:32,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 16:22:32,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393413949] [2021-06-06 16:22:32,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 16:22:32,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:22:32,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 16:22:32,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 16:22:32,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:32,090 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:22:32,090 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 16:22:32,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,103 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 16:22:32,103 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:22:32,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:22:32,104 INFO L82 PathProgramCache]: Analyzing trace with hash 384016058, now seen corresponding path program 1 times [2021-06-06 16:22:32,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:22:32,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971635152] [2021-06-06 16:22:32,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:22:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:22:32,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:22:32,216 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:22:32,216 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971635152] [2021-06-06 16:22:32,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971635152] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:22:32,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242061753] [2021-06-06 16:22:32,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:22:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:22:32,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 16:22:32,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 16:22:32,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-06 16:22:32,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 16:22:32,347 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:32,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 16:22:32,347 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-06-06 16:22:32,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-06-06 16:22:32,364 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 16:22:32,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:32,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-06 16:22:32,374 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 16:22:32,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:32,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 16:22:32,376 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:23, output treesize:3 [2021-06-06 16:22:32,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:22:32,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242061753] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:22:32,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 16:22:32,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-06 16:22:32,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185855823] [2021-06-06 16:22:32,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 16:22:32,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:22:32,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 16:22:32,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-06 16:22:32,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:32,399 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:22:32,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 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) [2021-06-06 16:22:32,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:32,669 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:22:32,669 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:22:32,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:22:32,670 INFO L82 PathProgramCache]: Analyzing trace with hash -98518633, now seen corresponding path program 2 times [2021-06-06 16:22:32,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:22:32,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625042319] [2021-06-06 16:22:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:22:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:22:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 16:22:32,757 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:22:32,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625042319] [2021-06-06 16:22:32,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625042319] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:22:32,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462005568] [2021-06-06 16:22:32,757 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 [2021-06-06 16:22:32,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 16:22:32,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 16:22:32,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 16:22:32,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 16:22:32,885 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 16:22:32,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462005568] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 16:22:32,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 16:22:32,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-06-06 16:22:32,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120433237] [2021-06-06 16:22:32,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 16:22:32,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:22:32,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 16:22:32,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-06 16:22:32,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:32,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:22:32,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-06-06 16:22:32,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:32,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:32,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:32,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:32,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 16:22:33,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:22:33,129 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:22:33,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:22:33,129 INFO L82 PathProgramCache]: Analyzing trace with hash 172035613, now seen corresponding path program 3 times [2021-06-06 16:22:33,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:22:33,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089363149] [2021-06-06 16:22:33,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:22:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:22:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-06 16:22:33,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:22:33,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089363149] [2021-06-06 16:22:33,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089363149] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:22:33,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724662214] [2021-06-06 16:22:33,193 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 [2021-06-06 16:22:33,224 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 16:22:33,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 16:22:33,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 16:22:33,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 16:22:33,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-06 16:22:33,260 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 16:22:33,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:33,262 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 16:22:33,262 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 16:22:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-06 16:22:33,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724662214] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:22:33,321 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 16:22:33,321 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-06 16:22:33,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877660082] [2021-06-06 16:22:33,321 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 16:22:33,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:22:33,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 16:22:33,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-06 16:22:33,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:33,322 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:22:33,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 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) [2021-06-06 16:22:33,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:33,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:33,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:33,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 16:22:33,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:33,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:33,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:33,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:33,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 16:22:33,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 16:22:33,903 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:22:33,903 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:22:33,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:22:33,904 INFO L82 PathProgramCache]: Analyzing trace with hash -327550834, now seen corresponding path program 4 times [2021-06-06 16:22:33,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:22:33,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018689694] [2021-06-06 16:22:33,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:22:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:22:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-06 16:22:34,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:22:34,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018689694] [2021-06-06 16:22:34,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018689694] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:22:34,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447811286] [2021-06-06 16:22:34,235 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 [2021-06-06 16:22:34,277 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 16:22:34,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 16:22:34,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-06 16:22:34,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 16:22:35,094 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:35,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2021-06-06 16:22:35,105 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-06 16:22:35,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:35,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 16:22:35,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:80, output treesize:73 [2021-06-06 16:22:35,849 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:35,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 46 [2021-06-06 16:22:35,850 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 16:22:35,862 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:35,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 54 [2021-06-06 16:22:35,864 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 16:22:35,889 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:35,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-06 16:22:35,907 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:159, output treesize:126 [2021-06-06 16:22:38,073 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2021-06-06 16:22:38,125 INFO L354 Elim1Store]: treesize reduction 122, result has 5.4 percent of original size [2021-06-06 16:22:38,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 37 [2021-06-06 16:22:38,130 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-06 16:22:38,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:38,149 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:38,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 49 [2021-06-06 16:22:38,166 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 16:22:38,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:38,172 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-06 16:22:38,172 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:65, output treesize:3 [2021-06-06 16:22:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 16:22:38,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447811286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:22:38,183 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 16:22:38,183 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 21 [2021-06-06 16:22:38,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212306795] [2021-06-06 16:22:38,185 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-06 16:22:38,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:22:38,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-06 16:22:38,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=400, Unknown=1, NotChecked=0, Total=462 [2021-06-06 16:22:38,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:38,187 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:22:38,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.8181818181818183) internal successors, (62), 21 states have internal predecessors, (62), 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) [2021-06-06 16:22:38,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:38,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:38,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:38,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 16:22:38,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 16:22:38,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:48,749 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2021-06-06 16:22:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 16:22:48,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 16:22:48,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 16:22:49,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-06 16:22:49,161 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:22:49,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:22:49,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1701407130, now seen corresponding path program 5 times [2021-06-06 16:22:49,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:22:49,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728200931] [2021-06-06 16:22:49,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:22:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:22:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 16:22:49,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:22:49,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728200931] [2021-06-06 16:22:49,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728200931] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 16:22:49,199 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 16:22:49,199 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 16:22:49,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946578903] [2021-06-06 16:22:49,199 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 16:22:49,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:22:49,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 16:22:49,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-06 16:22:49,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:49,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:22:49,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 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) [2021-06-06 16:22:49,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:49,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:49,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:49,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 16:22:49,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 16:22:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 16:22:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 16:22:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 16:22:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 16:22:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 16:22:49,355 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-06 16:22:49,356 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 16:22:49,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 16:22:49,356 INFO L82 PathProgramCache]: Analyzing trace with hash 506894677, now seen corresponding path program 6 times [2021-06-06 16:22:49,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 16:22:49,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385241191] [2021-06-06 16:22:49,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 16:22:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 16:22:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 31 proven. 31 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-06-06 16:22:49,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 16:22:49,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385241191] [2021-06-06 16:22:49,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385241191] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:22:49,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350888655] [2021-06-06 16:22:49,424 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 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 [2021-06-06 16:22:49,471 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 16:22:49,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 16:22:49,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 16:22:49,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 16:22:49,557 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:49,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-06-06 16:22:49,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 16:22:49,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 16:22:49,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 16:22:49,560 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-06-06 16:22:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 37 proven. 33 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 16:22:49,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350888655] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 16:22:49,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 16:22:49,615 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2021-06-06 16:22:49,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064930433] [2021-06-06 16:22:49,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 16:22:49,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 16:22:49,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 16:22:49,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-06-06 16:22:49,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:49,617 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 16:22:49,617 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 11 states have internal predecessors, (55), 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) [2021-06-06 16:22:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 16:22:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 16:22:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 16:22:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 16:22:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 16:22:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 16:22:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 16:22:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 16:22:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 16:22:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 16:22:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 16:22:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 16:22:50,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 16:22:50,522 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 16:22:50,523 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 04:22:50 BasicIcfg [2021-06-06 16:22:50,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 16:22:50,524 INFO L168 Benchmark]: Toolchain (without parser) took 19159.59 ms. Allocated memory was 358.6 MB in the beginning and 432.0 MB in the end (delta: 73.4 MB). Free memory was 338.2 MB in the beginning and 196.9 MB in the end (delta: 141.3 MB). Peak memory consumption was 215.2 MB. Max. memory is 16.0 GB. [2021-06-06 16:22:50,524 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 358.6 MB. Free memory was 339.5 MB in the beginning and 339.3 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 16:22:50,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.51 ms. Allocated memory is still 358.6 MB. Free memory was 338.2 MB in the beginning and 336.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 16:22:50,524 INFO L168 Benchmark]: Boogie Preprocessor took 20.92 ms. Allocated memory is still 358.6 MB. Free memory was 336.8 MB in the beginning and 335.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 16:22:50,524 INFO L168 Benchmark]: RCFGBuilder took 309.57 ms. Allocated memory is still 358.6 MB. Free memory was 335.6 MB in the beginning and 321.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-06 16:22:50,524 INFO L168 Benchmark]: TraceAbstraction took 18803.47 ms. Allocated memory was 358.6 MB in the beginning and 432.0 MB in the end (delta: 73.4 MB). Free memory was 321.3 MB in the beginning and 196.9 MB in the end (delta: 124.3 MB). Peak memory consumption was 198.4 MB. Max. memory is 16.0 GB. [2021-06-06 16:22:50,525 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 0.12 ms. Allocated memory is still 358.6 MB. Free memory was 339.5 MB in the beginning and 339.3 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.51 ms. Allocated memory is still 358.6 MB. Free memory was 338.2 MB in the beginning and 336.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.92 ms. Allocated memory is still 358.6 MB. Free memory was 336.8 MB in the beginning and 335.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 309.57 ms. Allocated memory is still 358.6 MB. Free memory was 335.6 MB in the beginning and 321.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 18803.47 ms. Allocated memory was 358.6 MB in the beginning and 432.0 MB in the end (delta: 73.4 MB). Free memory was 321.3 MB in the beginning and 196.9 MB in the end (delta: 124.3 MB). Peak memory consumption was 198.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8622, positive: 7789, positive conditional: 7789, positive unconditional: 0, negative: 833, negative conditional: 833, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7920, positive: 7789, positive conditional: 7789, positive unconditional: 0, negative: 131, negative conditional: 131, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7920, positive: 7382, positive conditional: 0, positive unconditional: 7382, negative: 538, negative conditional: 0, negative unconditional: 538, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 178, positive: 174, positive conditional: 0, positive unconditional: 174, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 178, positive: 173, positive conditional: 0, positive unconditional: 173, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 12, positive unconditional: 1, negative: 46, negative conditional: 42, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 44, positive conditional: 22, positive unconditional: 22, negative: 114, negative conditional: 91, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7920, positive: 7208, positive conditional: 0, positive unconditional: 7208, negative: 534, negative conditional: 0, negative unconditional: 534, unknown: 178, unknown conditional: 0, unknown unconditional: 178] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 186, Positive conditional cache size: 12, Positive unconditional cache size: 174, Negative cache size: 46, Negative conditional cache size: 42, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 12, positive unconditional: 1, negative: 46, negative conditional: 42, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 44, positive conditional: 22, positive unconditional: 22, negative: 114, negative conditional: 91, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2229, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1780, negative conditional: 662, negative unconditional: 1118, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 186, Positive conditional cache size: 12, Positive unconditional cache size: 174, Negative cache size: 46, Negative conditional cache size: 42, Negative unconditional cache size: 4, Eliminated conditions: 1118, SemanticConditionEliminator.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 12, positive unconditional: 1, negative: 46, negative conditional: 42, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 44, positive conditional: 22, positive unconditional: 22, negative: 114, negative conditional: 91, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2229, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1780, negative conditional: 662, negative unconditional: 1118, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 186, Positive conditional cache size: 12, Positive unconditional cache size: 174, Negative cache size: 46, Negative conditional cache size: 42, Negative unconditional cache size: 4, Eliminated conditions: 1118, SemanticConditionEliminator.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 12, positive unconditional: 1, negative: 46, negative conditional: 42, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 44, positive conditional: 22, positive unconditional: 22, negative: 114, negative conditional: 91, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2229, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1780, negative conditional: 662, negative unconditional: 1118, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 186, Positive conditional cache size: 12, Positive unconditional cache size: 174, Negative cache size: 46, Negative conditional cache size: 42, Negative unconditional cache size: 4, Eliminated conditions: 1118, SemanticConditionEliminator.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 12, positive unconditional: 1, negative: 46, negative conditional: 42, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 44, positive conditional: 22, positive unconditional: 22, negative: 114, negative conditional: 91, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2229, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1780, negative conditional: 662, negative unconditional: 1118, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 186, Positive conditional cache size: 12, Positive unconditional cache size: 174, Negative cache size: 46, Negative conditional cache size: 42, Negative unconditional cache size: 4, Eliminated conditions: 1118, SemanticConditionEliminator.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 12, positive unconditional: 1, negative: 46, negative conditional: 42, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 44, positive conditional: 22, positive unconditional: 22, negative: 114, negative conditional: 91, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2229, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1780, negative conditional: 662, negative unconditional: 1118, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 186, Positive conditional cache size: 12, Positive unconditional cache size: 174, Negative cache size: 46, Negative conditional cache size: 42, Negative unconditional cache size: 4, Eliminated conditions: 1118, SemanticConditionEliminator.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 12, positive unconditional: 1, negative: 46, negative conditional: 42, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 44, positive conditional: 22, positive unconditional: 22, negative: 114, negative conditional: 91, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2229, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1780, negative conditional: 662, negative unconditional: 1118, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 186, Positive conditional cache size: 12, Positive unconditional cache size: 174, Negative cache size: 46, Negative conditional cache size: 42, Negative unconditional cache size: 4, Eliminated conditions: 1118, SemanticConditionEliminator.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 12, positive unconditional: 1, negative: 46, negative conditional: 42, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 44, positive conditional: 22, positive unconditional: 22, negative: 114, negative conditional: 91, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2229, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1780, negative conditional: 662, negative unconditional: 1118, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 186, Positive conditional cache size: 12, Positive unconditional cache size: 174, Negative cache size: 46, Negative conditional cache size: 42, Negative unconditional cache size: 4, Eliminated conditions: 1118, SemanticConditionEliminator.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2229, positive: 407, positive conditional: 407, positive unconditional: 0, negative: 1822, negative conditional: 704, negative unconditional: 1118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 13, positive conditional: 12, positive unconditional: 1, negative: 46, negative conditional: 42, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 44, positive conditional: 22, positive unconditional: 22, negative: 114, negative conditional: 91, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2229, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 1780, negative conditional: 662, negative unconditional: 1118, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 186, Positive conditional cache size: 12, Positive unconditional cache size: 174, Negative cache size: 46, Negative conditional cache size: 42, Negative unconditional cache size: 4, Eliminated conditions: 1118 ], Maximal queried relation: 8, Independence queries for same thread: 702 - PositiveResult [Line: 70]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18697.8ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 12168.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 87, 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: 48.4ms SsaConstructionTime, 138.1ms SatisfiabilityAnalysisTime, 5015.7ms InterpolantComputationTime, 483 NumberOfCodeBlocks, 470 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 470 ConstructedInterpolants, 34 QuantifiedInterpolants, 3774 SizeOfPredicates, 23 NumberOfNonLiveVariables, 469 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 270/411 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...