/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 20:21:27,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 20:21:27,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 20:21:27,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-03 20:21:27,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-03 20:21:27,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-03 20:21:27,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-03 20:21:27,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-03 20:21:27,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-03 20:21:27,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-03 20:21:27,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-03 20:21:27,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-03 20:21:27,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 20:21:27,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 20:21:27,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 20:21:27,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 20:21:27,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 20:21:27,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 20:21:27,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 20:21:27,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 20:21:27,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 20:21:27,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 20:21:27,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 20:21:27,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 20:21:27,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-03 20:21:27,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 20:21:27,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 20:21:27,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 20:21:27,847 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.epf [2021-05-03 20:21:27,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 20:21:27,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 20:21:27,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 20:21:27,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 20:21:27,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 20:21:27,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 20:21:27,891 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 20:21:27,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 20:21:27,892 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 20:21:27,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 20:21:27,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 20:21:27,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 20:21:27,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 20:21:27,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 20:21:27,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 20:21:27,893 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 20:21:27,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 20:21:27,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 20:21:27,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 20:21:27,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 20:21:27,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 20:21:27,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 20:21:27,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 20:21:27,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 20:21:27,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 20:21:27,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 20:21:27,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 20:21:27,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 20:21:27,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 20:21:27,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 20:21:27,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 20:21:27,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 20:21:27,897 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-05-03 20:21:27,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 20:21:28,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 20:21:28,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 20:21:28,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 20:21:28,247 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 20:21:28,250 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 20:21:28,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl [2021-05-03 20:21:28,251 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl' [2021-05-03 20:21:28,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 20:21:28,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 20:21:28,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 20:21:28,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 20:21:28,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 20:21:28,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/1) ... [2021-05-03 20:21:28,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/1) ... [2021-05-03 20:21:28,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 20:21:28,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 20:21:28,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 20:21:28,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 20:21:28,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/1) ... [2021-05-03 20:21:28,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/1) ... [2021-05-03 20:21:28,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/1) ... [2021-05-03 20:21:28,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/1) ... [2021-05-03 20:21:28,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/1) ... [2021-05-03 20:21:28,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/1) ... [2021-05-03 20:21:28,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/1) ... [2021-05-03 20:21:28,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 20:21:28,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 20:21:28,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 20:21:28,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 20:21:28,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 20:21:28,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 20:21:28,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 20:21:28,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 20:21:28,580 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 20:21:28,580 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 20:21:28,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 20:21:28,580 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 20:21:28,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 20:21:28,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 20:21:28,581 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 20:21:28,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 20:21:28,796 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 20:21:28,798 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:21:28 BoogieIcfgContainer [2021-05-03 20:21:28,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 20:21:28,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 20:21:28,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 20:21:28,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 20:21:28,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:21:28" (1/2) ... [2021-05-03 20:21:28,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fda00c and model type nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:21:28, skipping insertion in model container [2021-05-03 20:21:28,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:21:28" (2/2) ... [2021-05-03 20:21:28,804 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-counter-alt2.wvr.bpl [2021-05-03 20:21:28,821 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 20:21:28,821 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 20:21:28,824 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 20:21:28,825 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 20:21:28,857 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-03 20:21:28,873 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 [2021-05-03 20:21:28,943 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 20:21:28,943 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 20:21:28,943 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 20:21:28,943 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 20:21:28,943 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 20:21:28,944 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 20:21:28,944 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 20:21:28,944 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 20:21:29,067 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:21:29,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:21:29,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1914271305, now seen corresponding path program 1 times [2021-05-03 20:21:29,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:21:29,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967794109] [2021-05-03 20:21:29,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:21:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:29,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967794109] [2021-05-03 20:21:29,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 20:21:29,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 20:21:29,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294795414] [2021-05-03 20:21:29,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-03 20:21:29,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:21:29,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-03 20:21:29,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-03 20:21:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:29,272 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:21:29,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-05-03 20:21:29,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:29,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 20:21:29,343 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:21:29,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:21:29,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1376478523, now seen corresponding path program 1 times [2021-05-03 20:21:29,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:21:29,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206549382] [2021-05-03 20:21:29,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:21:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:29,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206549382] [2021-05-03 20:21:29,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445570028] [2021-05-03 20:21:29,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:21:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:29,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 5 conjunts are in the unsatisfiable core [2021-05-03 20:21:29,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:21:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:29,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:21:29,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-05-03 20:21:29,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255259069] [2021-05-03 20:21:29,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-03 20:21:29,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:21:29,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-03 20:21:29,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-03 20:21:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:29,640 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:21:29,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:21:29,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:29,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:29,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:29,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:21:29,916 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:21:29,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:21:29,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1517789827, now seen corresponding path program 2 times [2021-05-03 20:21:29,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:21:29,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803382449] [2021-05-03 20:21:29,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:21:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:30,433 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-05-03 20:21:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:30,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803382449] [2021-05-03 20:21:30,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560992537] [2021-05-03 20:21:30,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:21:30,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:21:30,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:21:30,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 20:21:30,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:21:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:31,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:21:31,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-05-03 20:21:31,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711076958] [2021-05-03 20:21:31,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-05-03 20:21:31,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:21:31,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-05-03 20:21:31,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-05-03 20:21:31,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:31,003 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:21:31,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 13 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:21:31,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:31,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:31,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-03 20:21:31,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:21:31,489 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:21:31,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:21:31,490 INFO L82 PathProgramCache]: Analyzing trace with hash -194804809, now seen corresponding path program 3 times [2021-05-03 20:21:31,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:21:31,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445096741] [2021-05-03 20:21:31,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:21:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:31,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445096741] [2021-05-03 20:21:31,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411063292] [2021-05-03 20:21:31,834 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 [2021-05-03 20:21:31,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-03 20:21:31,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:21:31,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 20 conjunts are in the unsatisfiable core [2021-05-03 20:21:31,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:21:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:32,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:21:32,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 20 [2021-05-03 20:21:32,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583869687] [2021-05-03 20:21:32,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-03 20:21:32,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:21:32,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-03 20:21:32,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-05-03 20:21:32,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:32,820 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:21:32,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:21:32,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:32,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:32,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-03 20:21:32,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:21:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:21:33,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:21:33,517 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:21:33,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:21:33,517 INFO L82 PathProgramCache]: Analyzing trace with hash 477356353, now seen corresponding path program 4 times [2021-05-03 20:21:33,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:21:33,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392094858] [2021-05-03 20:21:33,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:21:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-05-03 20:21:33,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392094858] [2021-05-03 20:21:33,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105922733] [2021-05-03 20:21:33,827 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 [2021-05-03 20:21:33,892 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 20:21:33,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:21:33,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-03 20:21:33,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:21:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:34,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:21:34,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 25 [2021-05-03 20:21:34,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962892649] [2021-05-03 20:21:34,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-05-03 20:21:34,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:21:34,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-05-03 20:21:34,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2021-05-03 20:21:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:34,290 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:21:34,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 25 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:21:34,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:34,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:34,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:21:34,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:21:34,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:21:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:21:34,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:21:35,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-05-03 20:21:35,005 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:21:35,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:21:35,005 INFO L82 PathProgramCache]: Analyzing trace with hash 938827319, now seen corresponding path program 5 times [2021-05-03 20:21:35,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:21:35,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52106148] [2021-05-03 20:21:35,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:21:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:35,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52106148] [2021-05-03 20:21:35,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748227495] [2021-05-03 20:21:35,805 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:21:35,846 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-05-03 20:21:35,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:21:35,847 WARN L261 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 50 conjunts are in the unsatisfiable core [2021-05-03 20:21:35,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:21:36,999 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:37,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:21:37,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-05-03 20:21:37,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772062953] [2021-05-03 20:21:37,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-03 20:21:37,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:21:37,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-03 20:21:37,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1449, Unknown=0, NotChecked=0, Total=1640 [2021-05-03 20:21:37,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:37,003 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:21:37,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.951219512195122) internal successors, (80), 40 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:21:37,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:37,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:37,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:21:37,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:21:37,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:21:37,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:37,967 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 17 [2021-05-03 20:21:38,445 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2021-05-03 20:21:39,173 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 15 [2021-05-03 20:21:40,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:40,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:40,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:21:40,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:21:40,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:21:40,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:21:40,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:21:40,622 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:21:40,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:21:40,622 INFO L82 PathProgramCache]: Analyzing trace with hash -666132171, now seen corresponding path program 6 times [2021-05-03 20:21:40,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:21:40,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902288371] [2021-05-03 20:21:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:21:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:41,079 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 254 proven. 82 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-05-03 20:21:41,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902288371] [2021-05-03 20:21:41,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508376515] [2021-05-03 20:21:41,080 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:21:41,150 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-05-03 20:21:41,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:21:41,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 33 conjunts are in the unsatisfiable core [2021-05-03 20:21:41,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:21:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 144 proven. 186 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-05-03 20:21:42,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:21:42,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24] total 49 [2021-05-03 20:21:42,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684030750] [2021-05-03 20:21:42,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-05-03 20:21:42,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:21:42,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-05-03 20:21:42,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=2032, Unknown=0, NotChecked=0, Total=2450 [2021-05-03 20:21:42,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:42,076 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:21:42,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.28) internal successors, (114), 49 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:21:42,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:42,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:42,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:21:42,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:21:42,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:21:42,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:21:42,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:21:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:21:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:21:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:21:43,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-05-03 20:21:44,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-05-03 20:21:44,069 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:21:44,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:21:44,071 INFO L82 PathProgramCache]: Analyzing trace with hash -863909449, now seen corresponding path program 7 times [2021-05-03 20:21:44,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:21:44,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495030380] [2021-05-03 20:21:44,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:21:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:44,997 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-05-03 20:21:45,965 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 12 [2021-05-03 20:21:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:46,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495030380] [2021-05-03 20:21:46,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306202351] [2021-05-03 20:21:46,028 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:21:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:46,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 70 conjunts are in the unsatisfiable core [2021-05-03 20:21:46,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:21:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:21:48,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:21:48,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 36] total 74 [2021-05-03 20:21:48,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161471509] [2021-05-03 20:21:48,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-05-03 20:21:48,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:21:48,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-05-03 20:21:48,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=5164, Unknown=0, NotChecked=0, Total=5402 [2021-05-03 20:21:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:48,196 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:21:48,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 2.0675675675675675) internal successors, (153), 74 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:21:48,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:48,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:48,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:21:48,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:21:48,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:21:48,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:21:48,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-05-03 20:21:48,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:21:50,280 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 23 [2021-05-03 20:21:52,445 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 23 [2021-05-03 20:21:56,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:21:56,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:21:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:21:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:21:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:21:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:21:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 20:21:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:21:56,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2021-05-03 20:21:56,469 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:21:56,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:21:56,469 INFO L82 PathProgramCache]: Analyzing trace with hash -466236379, now seen corresponding path program 8 times [2021-05-03 20:21:56,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:21:56,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833293242] [2021-05-03 20:21:56,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:21:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:21:57,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 1154 proven. 358 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-05-03 20:21:57,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833293242] [2021-05-03 20:21:57,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535578123] [2021-05-03 20:21:57,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:21:57,939 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:21:57,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:21:57,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 72 conjunts are in the unsatisfiable core [2021-05-03 20:21:57,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:22:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 1089 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:22:01,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:22:01,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 56] total 109 [2021-05-03 20:22:01,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162254696] [2021-05-03 20:22:01,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 110 states [2021-05-03 20:22:01,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:22:01,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2021-05-03 20:22:01,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1925, Invalid=10065, Unknown=0, NotChecked=0, Total=11990 [2021-05-03 20:22:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:22:01,338 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:22:01,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 110 states, 110 states have (on average 2.1) internal successors, (231), 109 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:22:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:22:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:22:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:22:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:22:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:22:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:22:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-05-03 20:22:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:22:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:22:05,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:22:05,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:22:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:22:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:22:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:22:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:22:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 20:22:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:22:05,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-05-03 20:22:06,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:22:06,062 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:22:06,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:22:06,062 INFO L82 PathProgramCache]: Analyzing trace with hash 291355191, now seen corresponding path program 9 times [2021-05-03 20:22:06,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:22:06,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258048441] [2021-05-03 20:22:06,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:22:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:22:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:22:09,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258048441] [2021-05-03 20:22:09,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641094796] [2021-05-03 20:22:09,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:22:10,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2021-05-03 20:22:10,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:22:10,094 WARN L261 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 218 conjunts are in the unsatisfiable core [2021-05-03 20:22:10,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:22:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:22:20,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:22:20,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 77] total 152 [2021-05-03 20:22:20,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980514960] [2021-05-03 20:22:20,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 153 states [2021-05-03 20:22:20,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:22:20,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2021-05-03 20:22:20,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1269, Invalid=21987, Unknown=0, NotChecked=0, Total=23256 [2021-05-03 20:22:20,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:22:20,324 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:22:20,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 153 states, 153 states have (on average 1.9869281045751634) internal successors, (304), 152 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:22:20,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:22:20,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:22:20,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:22:20,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:22:20,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:22:20,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:22:20,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-05-03 20:22:20,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:22:20,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-05-03 20:22:20,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:22:27,929 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 22 [2021-05-03 20:22:28,827 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 17 [2021-05-03 20:22:30,811 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 23 [2021-05-03 20:22:31,807 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2021-05-03 20:22:34,374 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 17 [2021-05-03 20:22:34,876 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 22 [2021-05-03 20:22:37,146 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 22 [2021-05-03 20:22:38,325 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 22 [2021-05-03 20:22:39,473 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 22 [2021-05-03 20:22:40,631 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 23 [2021-05-03 20:22:42,013 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 22 [2021-05-03 20:22:42,669 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 17 [2021-05-03 20:22:43,297 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 22 [2021-05-03 20:22:44,561 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 22 [2021-05-03 20:22:45,271 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 18 [2021-05-03 20:22:46,114 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 23 [2021-05-03 20:22:46,982 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 17 [2021-05-03 20:22:47,677 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 22 [2021-05-03 20:22:48,444 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 17 [2021-05-03 20:22:49,082 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 22 [2021-05-03 20:22:49,776 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 17 [2021-05-03 20:22:50,385 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 22 [2021-05-03 20:22:51,115 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 17 [2021-05-03 20:22:51,903 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 22 [2021-05-03 20:22:52,675 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 18 [2021-05-03 20:22:53,248 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 23 [2021-05-03 20:22:53,984 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 17 [2021-05-03 20:22:55,344 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 22 [2021-05-03 20:22:55,839 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 22 [2021-05-03 20:22:56,345 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 22 [2021-05-03 20:22:56,903 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 22 [2021-05-03 20:23:00,718 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 22 [2021-05-03 20:23:08,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:23:08,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:23:08,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:23:08,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:23:08,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:23:08,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:23:08,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 20:23:08,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:23:08,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-05-03 20:23:08,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-05-03 20:23:09,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:23:09,048 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:23:09,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:23:09,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1410817795, now seen corresponding path program 10 times [2021-05-03 20:23:09,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:23:09,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043238832] [2021-05-03 20:23:09,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:23:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:23:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6554 backedges. 5182 proven. 1370 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-05-03 20:23:16,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043238832] [2021-05-03 20:23:16,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113938363] [2021-05-03 20:23:16,114 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:23:16,383 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 20:23:16,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:23:16,398 WARN L261 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 328 conjunts are in the unsatisfiable core [2021-05-03 20:23:16,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:23:42,268 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:23:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6554 backedges. 0 proven. 6554 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:23:45,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:23:45,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [111, 114] total 223 [2021-05-03 20:23:45,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064166017] [2021-05-03 20:23:45,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 224 states [2021-05-03 20:23:45,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:23:45,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2021-05-03 20:23:45,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4663, Invalid=45289, Unknown=0, NotChecked=0, Total=49952 [2021-05-03 20:23:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:23:45,957 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:23:45,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 224 states, 224 states have (on average 2.03125) internal successors, (455), 223 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-05-03 20:23:45,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:23:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-05-03 20:23:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-05-03 20:23:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:24:04,402 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2021-05-03 20:25:04,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:25:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:25:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:25:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:25:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:25:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:25:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 20:25:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:25:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-05-03 20:25:04,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-05-03 20:25:04,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-05-03 20:25:04,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable255 [2021-05-03 20:25:04,716 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:25:04,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:25:04,716 INFO L82 PathProgramCache]: Analyzing trace with hash 278796295, now seen corresponding path program 11 times [2021-05-03 20:25:04,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:25:04,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612465181] [2021-05-03 20:25:04,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:25:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:25:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 10805 backedges. 5327 proven. 5476 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-05-03 20:25:20,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612465181] [2021-05-03 20:25:20,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944195274] [2021-05-03 20:25:20,665 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:25:22,271 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 75 check-sat command(s) [2021-05-03 20:25:22,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:25:22,280 WARN L261 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 445 conjunts are in the unsatisfiable core [2021-05-03 20:25:22,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:25:45,274 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2021-05-03 20:25:46,016 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2021-05-03 20:25:48,297 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:25:52,315 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:25:53,178 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:25:54,523 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:25:55,937 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:25:56,490 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:25:57,471 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:25:58,421 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:26:00,385 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:26:06,840 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:26:07,535 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:26:08,134 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:26:08,778 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:26:13,066 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:26:15,575 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2021-05-03 20:26:16,221 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:26:16,892 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:26:18,876 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:26:21,050 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:26:21,738 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:26:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 10805 backedges. 0 proven. 10805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:26:23,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:26:23,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [150, 153] total 301 [2021-05-03 20:26:23,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424605795] [2021-05-03 20:26:23,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 302 states [2021-05-03 20:26:23,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:26:23,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 302 interpolants. [2021-05-03 20:26:23,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9151, Invalid=81751, Unknown=0, NotChecked=0, Total=90902 [2021-05-03 20:26:23,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:26:23,213 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:26:23,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 302 states, 302 states have (on average 2.0231788079470197) internal successors, (611), 301 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-05-03 20:26:23,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:26:27,375 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:28:40,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:28:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:28:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:28:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:28:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:28:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:28:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-05-03 20:28:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:28:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-05-03 20:28:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-05-03 20:28:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-05-03 20:28:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2021-05-03 20:28:41,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable379,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:28:41,149 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:28:41,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:28:41,150 INFO L82 PathProgramCache]: Analyzing trace with hash 171940359, now seen corresponding path program 12 times [2021-05-03 20:28:41,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:28:41,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222731014] [2021-05-03 20:28:41,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:28:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:29:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 11101 backedges. 5474 proven. 5625 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-05-03 20:29:07,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222731014] [2021-05-03 20:29:07,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302849594] [2021-05-03 20:29:07,913 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:29:08,933 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 76 check-sat command(s) [2021-05-03 20:29:08,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:29:08,943 WARN L261 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 446 conjunts are in the unsatisfiable core [2021-05-03 20:29:08,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:29:54,707 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2021-05-03 20:29:55,582 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-05-03 20:29:57,672 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2021-05-03 20:29:58,530 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2021-05-03 20:29:59,281 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2021-05-03 20:30:00,020 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:00,926 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:01,847 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2021-05-03 20:30:02,861 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2021-05-03 20:30:03,868 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:04,892 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:05,785 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:06,728 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:30:07,803 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:30:08,847 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:30:09,903 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:11,029 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2021-05-03 20:30:11,966 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:13,113 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:14,128 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:15,232 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:30:16,348 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:17,425 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:18,462 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:19,441 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2021-05-03 20:30:20,437 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:21,597 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:22,784 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2021-05-03 20:30:23,876 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:30:24,943 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:26,099 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:27,165 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2021-05-03 20:30:28,307 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2021-05-03 20:30:29,421 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2021-05-03 20:30:30,552 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2021-05-03 20:30:31,800 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2021-05-03 20:30:32,891 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:30:34,039 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2021-05-03 20:30:35,101 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2021-05-03 20:30:36,364 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2021-05-03 20:30:37,685 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2021-05-03 20:30:38,910 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2021-05-03 20:30:40,275 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:30:41,575 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:42,887 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:30:44,209 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:45,454 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:30:46,936 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:48,177 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2021-05-03 20:30:49,455 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:50,752 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:52,218 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:53,736 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:30:54,990 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2021-05-03 20:30:56,346 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:30:57,753 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:30:59,129 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:31:00,553 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:31:02,162 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:31:03,568 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2021-05-03 20:31:04,916 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:31:06,271 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:31:07,624 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:31:09,196 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:31:10,654 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2021-05-03 20:31:12,541 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:31:14,059 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-05-03 20:31:15,466 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-05-03 20:31:16,776 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:31:18,190 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-05-03 20:31:19,556 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2021-05-03 20:31:21,013 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2021-05-03 20:31:22,639 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2021-05-03 20:31:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 11101 backedges. 0 proven. 11101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:31:25,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:31:25,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [152, 155] total 305 [2021-05-03 20:31:25,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232557236] [2021-05-03 20:31:25,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 306 states [2021-05-03 20:31:25,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:31:25,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 306 interpolants. [2021-05-03 20:31:25,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9387, Invalid=83943, Unknown=0, NotChecked=0, Total=93330 [2021-05-03 20:31:25,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:31:25,402 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:31:25,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 306 states, 306 states have (on average 2.022875816993464) internal successors, (619), 305 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:31:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:31:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-03 20:31:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:31:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-03 20:31:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-05-03 20:31:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-05-03 20:31:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-05-03 20:31:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:31:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-05-03 20:31:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-05-03 20:31:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-05-03 20:31:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2021-05-03 20:31:25,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:31:30,630 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2021-05-03 20:32:53,132 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:32:59,958 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:33:06,900 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:33:31,555 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:33:42,375 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:33:53,624 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:34:01,193 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:34:09,966 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:34:12,251 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:34:17,760 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:34:20,177 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:34:35,576 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:34:39,459 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:34:40,976 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:34:48,610 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:34:56,491 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:34:58,928 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:35:00,453 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:35:03,033 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:35:04,799 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:35:07,459 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:35:09,145 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:35:11,746 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:35:16,384 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:35:17,965 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:35:20,488 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:35:22,265 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:35:24,802 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2021-05-03 20:35:26,490 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2021-05-03 20:35:30,723 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 Received shutdown request... [2021-05-03 20:35:33,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable662 [2021-05-03 20:35:33,849 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-03 20:35:33,863 WARN L224 ceAbstractionStarter]: Timeout [2021-05-03 20:35:33,863 INFO L202 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 08:35:33 BasicIcfg [2021-05-03 20:35:33,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-03 20:35:33,864 INFO L168 Benchmark]: Toolchain (without parser) took 845509.49 ms. Allocated memory was 312.5 MB in the beginning and 650.1 MB in the end (delta: 337.6 MB). Free memory was 292.4 MB in the beginning and 126.7 MB in the end (delta: 165.7 MB). Peak memory consumption was 505.9 MB. Max. memory is 16.0 GB. [2021-05-03 20:35:33,864 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 312.5 MB. Free memory was 293.7 MB in the beginning and 293.5 MB in the end (delta: 167.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 20:35:33,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.46 ms. Allocated memory is still 312.5 MB. Free memory was 292.4 MB in the beginning and 290.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-03 20:35:33,864 INFO L168 Benchmark]: Boogie Preprocessor took 26.91 ms. Allocated memory is still 312.5 MB. Free memory was 290.9 MB in the beginning and 290.1 MB in the end (delta: 887.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 20:35:33,864 INFO L168 Benchmark]: RCFGBuilder took 365.83 ms. Allocated memory is still 312.5 MB. Free memory was 290.1 MB in the beginning and 278.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-05-03 20:35:33,864 INFO L168 Benchmark]: TraceAbstraction took 845064.29 ms. Allocated memory was 312.5 MB in the beginning and 650.1 MB in the end (delta: 337.6 MB). Free memory was 278.5 MB in the beginning and 126.7 MB in the end (delta: 151.8 MB). Peak memory consumption was 491.2 MB. Max. memory is 16.0 GB. [2021-05-03 20:35:33,865 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 0.18 ms. Allocated memory is still 312.5 MB. Free memory was 293.7 MB in the beginning and 293.5 MB in the end (delta: 167.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 47.46 ms. Allocated memory is still 312.5 MB. Free memory was 292.4 MB in the beginning and 290.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.91 ms. Allocated memory is still 312.5 MB. Free memory was 290.9 MB in the beginning and 290.1 MB in the end (delta: 887.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 365.83 ms. Allocated memory is still 312.5 MB. Free memory was 290.1 MB in the beginning and 278.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 845064.29 ms. Allocated memory was 312.5 MB in the beginning and 650.1 MB in the end (delta: 337.6 MB). Free memory was 278.5 MB in the beginning and 126.7 MB in the end (delta: 151.8 MB). Peak memory consumption was 491.2 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: 2953, positive: 2197, positive conditional: 2197, positive unconditional: 0, negative: 756, negative conditional: 756, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2206, positive: 2197, positive conditional: 2197, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2206, positive: 2197, positive conditional: 0, positive unconditional: 2197, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2206, positive: 2180, positive conditional: 0, positive unconditional: 2180, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 12, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 108, negative conditional: 50, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 13, Negative conditional cache size: 12, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 12, Independence queries for same thread: 747 - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 51). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 446 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 844973.0ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.2ms, PartialOrderReductionTime: 532281.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 953, 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: 205.5ms SsaConstructionTime, 4636.6ms SatisfiabilityAnalysisTime, 304676.3ms InterpolantComputationTime, 2835 NumberOfCodeBlocks, 2833 NumberOfCodeBlocksAsserted, 236 NumberOfCheckSat, 2810 ConstructedInterpolants, 0 QuantifiedInterpolants, 38902 SizeOfPredicates, 54 NumberOfNonLiveVariables, 3418 ConjunctsInSsa, 1710 ConjunctsInUnsatCore, 25 InterpolantComputations, 1 PerfectInterpolantSequences, 18705/66890 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown