/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/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 03:38:44,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 03:38:44,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 03:38:44,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 03:38:44,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 03:38:44,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 03:38:44,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 03:38:44,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 03:38:44,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 03:38:44,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 03:38:44,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 03:38:44,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 03:38:44,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 03:38:44,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 03:38:44,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 03:38:44,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 03:38:44,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 03:38:44,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 03:38:44,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 03:38:44,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 03:38:44,916 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 03:38:44,953 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 03:38:44,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 03:38:44,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 03:38:44,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 03:38:44,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 03:38:44,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 03:38:44,956 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 03:38:44,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 03:38:44,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 03:38:44,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 03:38:44,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 03:38:44,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 03:38:44,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 03:38:44,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 03:38:44,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 03:38:44,958 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 03:38:44,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 03:38:44,958 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 03:38:44,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 03:38:44,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 03:38:44,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 03:38:44,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 03:38:44,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 03:38:44,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 03:38:44,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 03:38:44,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 03:38:44,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 03:38:44,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 03:38:44,960 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 03:38:44,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 03:38:44,960 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 03:38:44,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 03:38:44,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 03:38:44,961 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 03:38:44,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 03:38:44,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 03:38:45,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 03:38:45,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 03:38:45,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 03:38:45,281 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 03:38:45,285 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 03:38:45,286 INFO L432 ainManager$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 [2021-06-07 03:38:45,287 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2021-06-07 03:38:45,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 03:38:45,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 03:38:45,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 03:38:45,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 03:38:45,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 03:38:45,334 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 07.06 03:38:45" (1/1) ... [2021-06-07 03:38:45,341 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 07.06 03:38:45" (1/1) ... [2021-06-07 03:38:45,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 03:38:45,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 03:38:45,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 03:38:45,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 03:38:45,355 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 07.06 03:38:45" (1/1) ... [2021-06-07 03:38:45,356 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 07.06 03:38:45" (1/1) ... [2021-06-07 03:38:45,357 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 07.06 03:38:45" (1/1) ... [2021-06-07 03:38:45,357 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 07.06 03:38:45" (1/1) ... [2021-06-07 03:38:45,365 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 07.06 03:38:45" (1/1) ... [2021-06-07 03:38:45,370 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 07.06 03:38:45" (1/1) ... [2021-06-07 03:38:45,371 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 07.06 03:38:45" (1/1) ... [2021-06-07 03:38:45,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 03:38:45,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 03:38:45,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 03:38:45,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 03:38:45,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:38:45" (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 03:38:45,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 03:38:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 03:38:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 03:38:45,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 03:38:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 03:38:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 03:38:45,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 03:38:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 03:38:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 03:38:45,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 03:38:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 03:38:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 03:38:45,446 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 03:38:45,609 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 03:38:45,609 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 03:38:45,611 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:38:45 BoogieIcfgContainer [2021-06-07 03:38:45,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 03:38:45,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 03:38:45,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 03:38:45,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 03:38:45,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:38:45" (1/2) ... [2021-06-07 03:38:45,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706a436a and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 03:38:45, skipping insertion in model container [2021-06-07 03:38:45,616 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 07.06 03:38:45" (2/2) ... [2021-06-07 03:38:45,617 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2021-06-07 03:38:45,621 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 03:38:45,622 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 03:38:45,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 03:38:45,622 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 03:38:45,651 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-07 03:38:45,690 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 [2021-06-07 03:38:45,771 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:38:45,771 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:38:45,771 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:38:45,771 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:38:45,771 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:38:45,771 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:38:45,772 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:38:45,772 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 03:38:45,805 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:38:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:38:45,810 INFO L82 PathProgramCache]: Analyzing trace with hash 302045070, now seen corresponding path program 1 times [2021-06-07 03:38:45,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:38:45,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302407456] [2021-06-07 03:38:45,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:38:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:38:45,947 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 03:38:45,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:38:45,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302407456] [2021-06-07 03:38:45,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302407456] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:38:45,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:38:45,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 03:38:45,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859822704] [2021-06-07 03:38:45,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 03:38:45,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:38:45,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 03:38:45,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 03:38:45,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:45,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:38:45,979 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) [2021-06-07 03:38:45,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:46,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 03:38:46,080 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:38:46,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:38:46,080 INFO L82 PathProgramCache]: Analyzing trace with hash -898197723, now seen corresponding path program 1 times [2021-06-07 03:38:46,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:38:46,081 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376674133] [2021-06-07 03:38:46,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:38:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:38:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-07 03:38:46,099 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:38:46,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376674133] [2021-06-07 03:38:46,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376674133] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:38:46,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:38:46,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 03:38:46,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961759990] [2021-06-07 03:38:46,101 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 03:38:46,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:38:46,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 03:38:46,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 03:38:46,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:46,103 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:38:46,103 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) [2021-06-07 03:38:46,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:46,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:46,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:46,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:46,122 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 03:38:46,122 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:38:46,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:38:46,122 INFO L82 PathProgramCache]: Analyzing trace with hash -975836616, now seen corresponding path program 1 times [2021-06-07 03:38:46,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:38:46,123 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088096220] [2021-06-07 03:38:46,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:38:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:38:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:38:46,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:38:46,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088096220] [2021-06-07 03:38:46,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088096220] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:38:46,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652482803] [2021-06-07 03:38:46,283 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 [2021-06-07 03:38:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:38:46,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 03:38:46,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:38:46,489 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 [2021-06-07 03:38:46,492 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:38:46,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:46,494 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 03:38:46,495 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2021-06-07 03:38:46,532 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 19 treesize of output 15 [2021-06-07 03:38:46,538 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 03:38:46,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:46,546 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 [2021-06-07 03:38:46,548 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 03:38:46,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:46,551 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. [2021-06-07 03:38:46,551 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:3 [2021-06-07 03:38:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:38:46,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652482803] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:38:46,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:38:46,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-07 03:38:46,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733823019] [2021-06-07 03:38:46,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 03:38:46,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:38:46,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 03:38:46,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-07 03:38:46,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:46,585 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:38:46,585 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) [2021-06-07 03:38:46,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:46,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:46,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:46,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:46,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:46,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:46,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:38:46,906 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:38:46,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:38:46,907 INFO L82 PathProgramCache]: Analyzing trace with hash 781945478, now seen corresponding path program 2 times [2021-06-07 03:38:46,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:38:46,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261016682] [2021-06-07 03:38:46,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:38:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:38:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:38:47,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:38:47,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261016682] [2021-06-07 03:38:47,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261016682] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:38:47,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829373989] [2021-06-07 03:38:47,051 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 03:38:47,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 03:38:47,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:38:47,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-07 03:38:47,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:38:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-07 03:38:47,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829373989] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:38:47,192 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-07 03:38:47,192 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2021-06-07 03:38:47,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898872767] [2021-06-07 03:38:47,192 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 03:38:47,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:38:47,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 03:38:47,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-06-07 03:38:47,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:47,193 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:38:47,193 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 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 03:38:47,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:47,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:47,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:47,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:47,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:38:47,454 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:38:47,455 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:38:47,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:38:47,455 INFO L82 PathProgramCache]: Analyzing trace with hash -930527197, now seen corresponding path program 3 times [2021-06-07 03:38:47,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:38:47,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026138877] [2021-06-07 03:38:47,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:38:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:38:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 03:38:47,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:38:47,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026138877] [2021-06-07 03:38:47,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026138877] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:38:47,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410460597] [2021-06-07 03:38:47,504 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 03:38:47,542 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-07 03:38:47,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:38:47,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 03:38:47,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:38:47,590 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 [2021-06-07 03:38:47,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:38:47,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:47,595 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 03:38:47,595 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-07 03:38:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 03:38:47,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410460597] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:38:47,680 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:38:47,680 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-07 03:38:47,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377295023] [2021-06-07 03:38:47,681 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 03:38:47,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:38:47,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 03:38:47,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-07 03:38:47,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:47,682 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:38:47,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:38:47,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:47,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:47,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:47,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:38:47,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:38:47,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:38:48,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:38:48,169 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:38:48,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:38:48,170 INFO L82 PathProgramCache]: Analyzing trace with hash 688647222, now seen corresponding path program 4 times [2021-06-07 03:38:48,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:38:48,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216102627] [2021-06-07 03:38:48,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:38:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:38:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 03:38:48,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:38:48,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216102627] [2021-06-07 03:38:48,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216102627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:38:48,420 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347503552] [2021-06-07 03:38:48,420 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 03:38:48,461 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 03:38:48,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:38:48,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-07 03:38:48,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:38:48,557 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 [2021-06-07 03:38:48,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:38:48,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:48,569 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-07 03:38:48,570 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2021-06-07 03:38:48,885 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:48,886 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 34 treesize of output 34 [2021-06-07 03:38:48,888 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:38:48,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:48,913 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-07 03:38:48,914 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:53, output treesize:39 [2021-06-07 03:38:49,851 INFO L354 Elim1Store]: treesize reduction 36, result has 7.7 percent of original size [2021-06-07 03:38:49,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 26 [2021-06-07 03:38:49,855 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-07 03:38:49,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:49,869 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:49,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-06-07 03:38:49,872 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-07 03:38:49,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:49,879 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. [2021-06-07 03:38:49,880 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:48, output treesize:3 [2021-06-07 03:38:49,894 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:38:49,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347503552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:38:49,895 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:38:49,895 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-06-07 03:38:49,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464230300] [2021-06-07 03:38:49,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-07 03:38:49,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:38:49,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-07 03:38:49,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=245, Unknown=2, NotChecked=0, Total=306 [2021-06-07 03:38:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:49,897 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:38:49,897 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:38:49,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:49,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:49,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:49,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:38:49,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 03:38:49,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:50,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:50,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:50,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:38:50,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 03:38:50,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 03:38:50,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-07 03:38:50,689 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:38:50,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:38:50,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1075069410, now seen corresponding path program 5 times [2021-06-07 03:38:50,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:38:50,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120258880] [2021-06-07 03:38:50,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:38:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:38:50,755 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-07 03:38:50,755 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:38:50,755 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120258880] [2021-06-07 03:38:50,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120258880] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:38:50,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:38:50,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-07 03:38:50,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144739308] [2021-06-07 03:38:50,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 03:38:50,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:38:50,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 03:38:50,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-07 03:38:50,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:50,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:38:50,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:38:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:38:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 03:38:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 03:38:50,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:38:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:38:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 03:38:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:38:50,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-07 03:38:50,942 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 03:38:50,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:38:50,942 INFO L82 PathProgramCache]: Analyzing trace with hash 918269962, now seen corresponding path program 6 times [2021-06-07 03:38:50,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:38:50,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43359426] [2021-06-07 03:38:50,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:38:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:38:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-07 03:38:50,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:38:50,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43359426] [2021-06-07 03:38:50,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43359426] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:38:50,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317621932] [2021-06-07 03:38:50,998 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 [2021-06-07 03:38:51,045 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-07 03:38:51,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:38:51,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-07 03:38:51,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:38:51,183 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:51,184 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 [2021-06-07 03:38:51,186 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:38:51,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:38:51,188 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 03:38:51,188 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2021-06-07 03:38:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:38:51,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317621932] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:38:51,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:38:51,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2021-06-07 03:38:51,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024892979] [2021-06-07 03:38:51,264 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 03:38:51,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:38:51,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 03:38:51,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-07 03:38:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:51,264 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:38:51,265 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) [2021-06-07 03:38:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:38:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 03:38:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 03:38:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:38:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:38:52,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:52,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:38:52,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:38:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 03:38:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 03:38:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-07 03:38:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:38:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 03:38:52,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:38:52,303 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 03:38:52,305 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 03:38:52 BasicIcfg [2021-06-07 03:38:52,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 03:38:52,305 INFO L168 Benchmark]: Toolchain (without parser) took 6983.32 ms. Allocated memory was 377.5 MB in the beginning and 520.1 MB in the end (delta: 142.6 MB). Free memory was 356.9 MB in the beginning and 278.8 MB in the end (delta: 78.1 MB). Peak memory consumption was 223.0 MB. Max. memory is 16.0 GB. [2021-06-07 03:38:52,305 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 377.5 MB. Free memory was 358.1 MB in the beginning and 358.0 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 03:38:52,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.52 ms. Allocated memory is still 377.5 MB. Free memory was 356.8 MB in the beginning and 355.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 03:38:52,306 INFO L168 Benchmark]: Boogie Preprocessor took 27.09 ms. Allocated memory is still 377.5 MB. Free memory was 355.4 MB in the beginning and 354.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-07 03:38:52,306 INFO L168 Benchmark]: RCFGBuilder took 234.93 ms. Allocated memory is still 377.5 MB. Free memory was 354.3 MB in the beginning and 340.1 MB in the end (delta: 14.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-07 03:38:52,306 INFO L168 Benchmark]: TraceAbstraction took 6692.25 ms. Allocated memory was 377.5 MB in the beginning and 520.1 MB in the end (delta: 142.6 MB). Free memory was 339.6 MB in the beginning and 278.8 MB in the end (delta: 60.8 MB). Peak memory consumption was 204.1 MB. Max. memory is 16.0 GB. [2021-06-07 03:38:52,306 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 0.14 ms. Allocated memory is still 377.5 MB. Free memory was 358.1 MB in the beginning and 358.0 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.52 ms. Allocated memory is still 377.5 MB. Free memory was 356.8 MB in the beginning and 355.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.09 ms. Allocated memory is still 377.5 MB. Free memory was 355.4 MB in the beginning and 354.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 234.93 ms. Allocated memory is still 377.5 MB. Free memory was 354.3 MB in the beginning and 340.1 MB in the end (delta: 14.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6692.25 ms. Allocated memory was 377.5 MB in the beginning and 520.1 MB in the end (delta: 142.6 MB). Free memory was 339.6 MB in the beginning and 278.8 MB in the end (delta: 60.8 MB). Peak memory consumption was 204.1 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: 8402, positive: 7562, positive conditional: 7562, positive unconditional: 0, negative: 840, negative conditional: 840, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7590, positive: 7562, positive conditional: 7562, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7590, positive: 7190, positive conditional: 0, positive unconditional: 7190, negative: 400, negative conditional: 0, negative unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 194, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 194, positive: 186, positive conditional: 0, positive unconditional: 186, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 32, negative conditional: 26, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 78, positive conditional: 19, positive unconditional: 59, negative: 71, negative conditional: 60, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7590, positive: 7002, positive conditional: 0, positive unconditional: 7002, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 194, unknown conditional: 0, unknown unconditional: 194] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 199, Positive conditional cache size: 11, Positive unconditional cache size: 188, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 32, negative conditional: 26, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 78, positive conditional: 19, positive unconditional: 59, negative: 71, negative conditional: 60, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1431, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 1033, negative conditional: 326, negative unconditional: 707, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 199, Positive conditional cache size: 11, Positive unconditional cache size: 188, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Eliminated conditions: 707, SemanticConditionEliminator.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 32, negative conditional: 26, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 78, positive conditional: 19, positive unconditional: 59, negative: 71, negative conditional: 60, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1431, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 1033, negative conditional: 326, negative unconditional: 707, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 199, Positive conditional cache size: 11, Positive unconditional cache size: 188, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Eliminated conditions: 707, SemanticConditionEliminator.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 32, negative conditional: 26, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 78, positive conditional: 19, positive unconditional: 59, negative: 71, negative conditional: 60, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1431, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 1033, negative conditional: 326, negative unconditional: 707, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 199, Positive conditional cache size: 11, Positive unconditional cache size: 188, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Eliminated conditions: 707, SemanticConditionEliminator.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 32, negative conditional: 26, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 78, positive conditional: 19, positive unconditional: 59, negative: 71, negative conditional: 60, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1431, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 1033, negative conditional: 326, negative unconditional: 707, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 199, Positive conditional cache size: 11, Positive unconditional cache size: 188, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Eliminated conditions: 707, SemanticConditionEliminator.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 32, negative conditional: 26, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 78, positive conditional: 19, positive unconditional: 59, negative: 71, negative conditional: 60, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1431, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 1033, negative conditional: 326, negative unconditional: 707, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 199, Positive conditional cache size: 11, Positive unconditional cache size: 188, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Eliminated conditions: 707, SemanticConditionEliminator.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 32, negative conditional: 26, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 78, positive conditional: 19, positive unconditional: 59, negative: 71, negative conditional: 60, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1431, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 1033, negative conditional: 326, negative unconditional: 707, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 199, Positive conditional cache size: 11, Positive unconditional cache size: 188, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Eliminated conditions: 707, SemanticConditionEliminator.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 32, negative conditional: 26, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 78, positive conditional: 19, positive unconditional: 59, negative: 71, negative conditional: 60, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1431, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 1033, negative conditional: 326, negative unconditional: 707, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 199, Positive conditional cache size: 11, Positive unconditional cache size: 188, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Eliminated conditions: 707, SemanticConditionEliminator.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1431, positive: 372, positive conditional: 372, positive unconditional: 0, negative: 1059, negative conditional: 352, negative unconditional: 707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 32, negative conditional: 26, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 78, positive conditional: 19, positive unconditional: 59, negative: 71, negative conditional: 60, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1431, positive: 361, positive conditional: 361, positive unconditional: 0, negative: 1033, negative conditional: 326, negative unconditional: 707, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 199, Positive conditional cache size: 11, Positive unconditional cache size: 188, Negative cache size: 32, Negative conditional cache size: 26, Negative unconditional cache size: 6, Eliminated conditions: 707 ], Maximal queried relation: 8, Independence queries for same thread: 812 - 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: 6599.1ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 2121.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 92, 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: 58.6ms SsaConstructionTime, 156.7ms SatisfiabilityAnalysisTime, 2795.6ms InterpolantComputationTime, 415 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 402 ConstructedInterpolants, 23 QuantifiedInterpolants, 2121 SizeOfPredicates, 22 NumberOfNonLiveVariables, 393 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 152/226 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...