/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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 09:43:45,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 09:43:45,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 09:43:45,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 09:43:45,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 09:43:45,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 09:43:45,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 09:43:45,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 09:43:45,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 09:43:45,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 09:43:45,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 09:43:45,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 09:43:45,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 09:43:45,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 09:43:45,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 09:43:45,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 09:43:45,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 09:43:45,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 09:43:45,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 09:43:45,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 09:43:45,831 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-Sleep-NoLbe-Delay.epf [2021-03-12 09:43:45,867 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 09:43:45,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 09:43:45,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 09:43:45,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 09:43:45,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 09:43:45,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 09:43:45,872 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 09:43:45,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 09:43:45,873 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 09:43:45,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 09:43:45,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 09:43:45,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 09:43:45,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 09:43:45,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 09:43:45,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 09:43:45,875 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 09:43:45,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 09:43:45,875 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 09:43:45,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 09:43:45,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 09:43:45,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 09:43:45,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 09:43:45,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 09:43:45,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 09:43:45,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 09:43:45,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 09:43:45,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 09:43:45,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 09:43:45,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 09:43:45,876 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 09:43:45,877 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 09:43:45,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 09:43:45,877 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 09:43:45,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 09:43:46,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 09:43:46,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 09:43:46,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 09:43:46,239 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 09:43:46,240 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 09:43:46,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl [2021-03-12 09:43:46,241 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl' [2021-03-12 09:43:46,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 09:43:46,282 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 09:43:46,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 09:43:46,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 09:43:46,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 09:43:46,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (1/1) ... [2021-03-12 09:43:46,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (1/1) ... [2021-03-12 09:43:46,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 09:43:46,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 09:43:46,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 09:43:46,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 09:43:46,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (1/1) ... [2021-03-12 09:43:46,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (1/1) ... [2021-03-12 09:43:46,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (1/1) ... [2021-03-12 09:43:46,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (1/1) ... [2021-03-12 09:43:46,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (1/1) ... [2021-03-12 09:43:46,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (1/1) ... [2021-03-12 09:43:46,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (1/1) ... [2021-03-12 09:43:46,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 09:43:46,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 09:43:46,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 09:43:46,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 09:43:46,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (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 [2021-03-12 09:43:46,406 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 09:43:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 09:43:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 09:43:46,407 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 09:43:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 09:43:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 09:43:46,408 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 09:43:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 09:43:46,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 09:43:46,409 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 09:43:46,598 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 09:43:46,598 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 09:43:46,600 INFO L202 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:43:46 BoogieIcfgContainer [2021-03-12 09:43:46,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 09:43:46,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 09:43:46,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 09:43:46,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 09:43:46,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:43:46" (1/2) ... [2021-03-12 09:43:46,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c92ec33 and model type two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:43:46, skipping insertion in model container [2021-03-12 09:43:46,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:43:46" (2/2) ... [2021-03-12 09:43:46,607 INFO L111 eAbstractionObserver]: Analyzing ICFG two-queue.wvr.bpl [2021-03-12 09:43:46,628 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 09:43:46,628 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 09:43:46,632 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 09:43:46,633 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 09:43:46,694 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 09:43:46,721 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 09:43:46,801 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 09:43:46,802 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 09:43:46,802 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 09:43:46,802 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 09:43:46,802 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 09:43:46,802 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 09:43:46,802 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 09:43:46,802 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 09:43:46,930 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:43:46,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:43:46,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1020496956, now seen corresponding path program 1 times [2021-03-12 09:43:46,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:43:46,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721423885] [2021-03-12 09:43:46,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:43:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:43:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:43:47,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721423885] [2021-03-12 09:43:47,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 09:43:47,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 09:43:47,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189793647] [2021-03-12 09:43:47,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 09:43:47,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:43:47,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 09:43:47,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 09:43:47,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:47,113 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:43:47,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-03-12 09:43:47,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:47,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 09:43:47,172 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:43:47,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:43:47,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1139769537, now seen corresponding path program 1 times [2021-03-12 09:43:47,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:43:47,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792439978] [2021-03-12 09:43:47,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:43:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:43:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:43:47,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792439978] [2021-03-12 09:43:47,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 09:43:47,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 09:43:47,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826537458] [2021-03-12 09:43:47,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 09:43:47,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:43:47,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 09:43:47,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 09:43:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:47,203 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:43:47,204 INFO L481 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) [2021-03-12 09:43:47,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:47,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:47,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:47,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:47,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 09:43:47,236 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:43:47,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:43:47,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1703953662, now seen corresponding path program 1 times [2021-03-12 09:43:47,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:43:47,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830427165] [2021-03-12 09:43:47,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:43:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:43:47,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:43:47,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830427165] [2021-03-12 09:43:47,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264445914] [2021-03-12 09:43:47,460 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 [2021-03-12 09:43:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:43:47,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 09:43:47,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:43:47,711 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 9 [2021-03-12 09:43:47,744 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:43:47,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:43:47,759 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:43:47,759 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:11 [2021-03-12 09:43:47,829 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 18 treesize of output 12 [2021-03-12 09:43:47,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:43:47,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:43:47,836 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:43:47,837 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:9 [2021-03-12 09:43:47,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:43:47,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:43:47,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-03-12 09:43:47,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147063075] [2021-03-12 09:43:47,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-12 09:43:47,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:43:47,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-12 09:43:47,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-03-12 09:43:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:47,927 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:43:47,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.736842105263158) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 09:43:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:43:48,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:43:48,628 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:43:48,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:43:48,628 INFO L82 PathProgramCache]: Analyzing trace with hash 2127289093, now seen corresponding path program 2 times [2021-03-12 09:43:48,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:43:48,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103508954] [2021-03-12 09:43:48,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:43:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:43:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:43:48,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103508954] [2021-03-12 09:43:48,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828640238] [2021-03-12 09:43:48,716 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 [2021-03-12 09:43:48,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:43:48,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:43:48,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-12 09:43:48,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:43:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 09:43:48,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-12 09:43:48,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-03-12 09:43:48,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418616958] [2021-03-12 09:43:48,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 09:43:48,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:43:48,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 09:43:48,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-12 09:43:48,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:48,830 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:43:48,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 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) [2021-03-12 09:43:48,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:48,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:48,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:43:48,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:48,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:48,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:48,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:43:48,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:43:49,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:43:49,075 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:43:49,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:43:49,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1833424690, now seen corresponding path program 3 times [2021-03-12 09:43:49,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:43:49,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565249480] [2021-03-12 09:43:49,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:43:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:43:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-03-12 09:43:49,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565249480] [2021-03-12 09:43:49,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569701194] [2021-03-12 09:43:49,165 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 [2021-03-12 09:43:49,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 09:43:49,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:43:49,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 09:43:49,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:43:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-12 09:43:49,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-12 09:43:49,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-03-12 09:43:49,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64592999] [2021-03-12 09:43:49,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 09:43:49,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:43:49,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 09:43:49,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-03-12 09:43:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:49,349 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:43:49,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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) [2021-03-12 09:43:49,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:49,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:49,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:43:49,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:43:49,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:49,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:49,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:49,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:43:49,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:43:49,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:43:49,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:43:49,570 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:43:49,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:43:49,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1796488248, now seen corresponding path program 4 times [2021-03-12 09:43:49,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:43:49,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880100901] [2021-03-12 09:43:49,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:43:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:43:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 09:43:49,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880100901] [2021-03-12 09:43:49,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664183192] [2021-03-12 09:43:49,973 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 [2021-03-12 09:43:50,004 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:43:50,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:43:50,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 09:43:50,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:43:50,119 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 13 treesize of output 9 [2021-03-12 09:43:50,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:43:50,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:43:50,127 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:43:50,127 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2021-03-12 09:43:50,147 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 13 treesize of output 9 [2021-03-12 09:43:50,150 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 09:43:50,153 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 09:43:50,154 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 09:43:50,154 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:9 [2021-03-12 09:43:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 09:43:50,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:43:50,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-03-12 09:43:50,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041119570] [2021-03-12 09:43:50,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-12 09:43:50,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:43:50,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-12 09:43:50,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-03-12 09:43:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:50,234 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:43:50,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 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) [2021-03-12 09:43:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:50,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 09:43:50,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:43:50,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:43:50,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:43:51,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:51,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 09:43:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 09:43:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:43:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 09:43:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 09:43:51,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-12 09:43:51,310 INFO L202 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:43:51 BasicIcfg [2021-03-12 09:43:51,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 09:43:51,311 INFO L168 Benchmark]: Toolchain (without parser) took 5033.29 ms. Allocated memory was 356.5 MB in the beginning and 444.6 MB in the end (delta: 88.1 MB). Free memory was 336.8 MB in the beginning and 377.5 MB in the end (delta: -40.7 MB). Peak memory consumption was 49.2 MB. Max. memory is 16.0 GB. [2021-03-12 09:43:51,311 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 356.5 MB. Free memory was 337.9 MB in the beginning and 337.8 MB in the end (delta: 70.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 09:43:51,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.78 ms. Allocated memory is still 356.5 MB. Free memory was 336.2 MB in the beginning and 334.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 09:43:51,311 INFO L168 Benchmark]: Boogie Preprocessor took 20.58 ms. Allocated memory is still 356.5 MB. Free memory was 334.8 MB in the beginning and 333.8 MB in the end (delta: 958.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 09:43:51,312 INFO L168 Benchmark]: RCFGBuilder took 263.43 ms. Allocated memory is still 356.5 MB. Free memory was 333.7 MB in the beginning and 320.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-12 09:43:51,312 INFO L168 Benchmark]: TraceAbstraction took 4708.58 ms. Allocated memory was 356.5 MB in the beginning and 444.6 MB in the end (delta: 88.1 MB). Free memory was 320.1 MB in the beginning and 377.5 MB in the end (delta: -57.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.0 GB. [2021-03-12 09:43:51,312 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 0.16 ms. Allocated memory is still 356.5 MB. Free memory was 337.9 MB in the beginning and 337.8 MB in the end (delta: 70.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.78 ms. Allocated memory is still 356.5 MB. Free memory was 336.2 MB in the beginning and 334.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.58 ms. Allocated memory is still 356.5 MB. Free memory was 334.8 MB in the beginning and 333.8 MB in the end (delta: 958.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 263.43 ms. Allocated memory is still 356.5 MB. Free memory was 333.7 MB in the beginning and 320.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4708.58 ms. Allocated memory was 356.5 MB in the beginning and 444.6 MB in the end (delta: 88.1 MB). Free memory was 320.1 MB in the beginning and 377.5 MB in the end (delta: -57.4 MB). Peak memory consumption was 32.4 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: 535, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 142, negative conditional: 142, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 410, positive: 393, positive conditional: 393, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 410, positive: 389, positive conditional: 0, positive unconditional: 389, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 55, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 55, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 12, negative conditional: 10, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 21, positive conditional: 17, positive unconditional: 4, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 410, positive: 336, positive conditional: 0, positive unconditional: 336, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 55, unknown conditional: 0, unknown unconditional: 55] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 56, Positive conditional cache size: 3, Positive unconditional cache size: 53, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, SemanticConditionEliminator.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 12, negative conditional: 10, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 21, positive conditional: 17, positive unconditional: 4, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 79, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 65, negative conditional: 23, negative unconditional: 42, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 56, Positive conditional cache size: 3, Positive unconditional cache size: 53, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Eliminated conditions: 42, SemanticConditionEliminator.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 12, negative conditional: 10, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 21, positive conditional: 17, positive unconditional: 4, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 79, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 65, negative conditional: 23, negative unconditional: 42, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 56, Positive conditional cache size: 3, Positive unconditional cache size: 53, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Eliminated conditions: 42, SemanticConditionEliminator.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 12, negative conditional: 10, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 21, positive conditional: 17, positive unconditional: 4, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 79, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 65, negative conditional: 23, negative unconditional: 42, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 56, Positive conditional cache size: 3, Positive unconditional cache size: 53, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Eliminated conditions: 42, SemanticConditionEliminator.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 12, negative conditional: 10, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 21, positive conditional: 17, positive unconditional: 4, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 79, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 65, negative conditional: 23, negative unconditional: 42, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 56, Positive conditional cache size: 3, Positive unconditional cache size: 53, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Eliminated conditions: 42, SemanticConditionEliminator.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 12, negative conditional: 10, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 21, positive conditional: 17, positive unconditional: 4, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 79, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 65, negative conditional: 23, negative unconditional: 42, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 56, Positive conditional cache size: 3, Positive unconditional cache size: 53, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Eliminated conditions: 42, SemanticConditionEliminator.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 75, negative conditional: 33, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 12, negative conditional: 10, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, positive: 21, positive conditional: 17, positive unconditional: 4, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 79, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 65, negative conditional: 23, negative unconditional: 42, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 56, Positive conditional cache size: 3, Positive unconditional cache size: 53, Negative cache size: 12, Negative conditional cache size: 10, Negative unconditional cache size: 2, Eliminated conditions: 42 ], Maximal queried relation: 6, Independence queries for same thread: 125 - PositiveResult [Line: 62]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4552.3ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.7ms, PartialOrderReductionTime: 1584.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, 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: 28.6ms SsaConstructionTime, 153.9ms SatisfiabilityAnalysisTime, 1625.9ms InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 1300 SizeOfPredicates, 15 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 82/111 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...