/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:51,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:51,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:51,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:51,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:51,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:51,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:51,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:51,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:51,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:51,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:51,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:51,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:51,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:51,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:51,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:51,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:51,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:51,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:51,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:51,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:51,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:51,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:51,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:51,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:51,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:51,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:51,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:51,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:51,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:51,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:51,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:51,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:51,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:51,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:51,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:51,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:51,534 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:51,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:51,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:51,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:51,540 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:51,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:51,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:51,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:51,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:51,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:51,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:51,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:51,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:51,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:51,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:51,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:51,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:51,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:51,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:51,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:51,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:51,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:51,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:51,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:51,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:51,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:51,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:52,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:52,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:52,040 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:52,041 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:52,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2020-12-22 06:56:52,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9617553b/01eeafc110834a71930a988bd8df044e/FLAGed790e935 [2020-12-22 06:56:52,858 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:52,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2020-12-22 06:56:52,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9617553b/01eeafc110834a71930a988bd8df044e/FLAGed790e935 [2020-12-22 06:56:53,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9617553b/01eeafc110834a71930a988bd8df044e [2020-12-22 06:56:53,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:53,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:53,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:53,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:53,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:53,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:53,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe60ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53, skipping insertion in model container [2020-12-22 06:56:53,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:53,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:53,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:53,531 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18367,18380] [2020-12-22 06:56:53,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:53,547 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:53,693 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18367,18380] [2020-12-22 06:56:53,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:53,743 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:53,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53 WrapperNode [2020-12-22 06:56:53,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:53,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:53,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:53,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:53,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:53,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:53,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:53,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:53,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:53,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:53,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:53,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:53,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:53,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:53,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:53,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:54,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (1/1) ... [2020-12-22 06:56:54,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:54,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:54,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:54,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:54,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (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 [2020-12-22 06:56:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:55,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:55,312 INFO L299 CfgBuilder]: Removed 192 assume(true) statements. [2020-12-22 06:56:55,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:55 BoogieIcfgContainer [2020-12-22 06:56:55,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:55,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:55,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:55,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:55,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:53" (1/3) ... [2020-12-22 06:56:55,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83046b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:55, skipping insertion in model container [2020-12-22 06:56:55,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:53" (2/3) ... [2020-12-22 06:56:55,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83046b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:55, skipping insertion in model container [2020-12-22 06:56:55,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:55" (3/3) ... [2020-12-22 06:56:55,330 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2020-12-22 06:56:55,338 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:55,343 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:55,363 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:55,393 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:55,394 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:55,394 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:55,394 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:55,394 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:55,394 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:55,395 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:55,395 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-12-22 06:56:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:55,423 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:55,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:55,425 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:55,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:55,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2020-12-22 06:56:55,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:55,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122665883] [2020-12-22 06:56:55,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:55,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122665883] [2020-12-22 06:56:55,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:55,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:55,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806845732] [2020-12-22 06:56:55,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:55,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:55,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:55,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:55,829 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2020-12-22 06:56:55,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:55,906 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2020-12-22 06:56:55,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:55,910 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:55,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:55,940 INFO L225 Difference]: With dead ends: 264 [2020-12-22 06:56:55,941 INFO L226 Difference]: Without dead ends: 131 [2020-12-22 06:56:55,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:55,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-12-22 06:56:55,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-12-22 06:56:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-12-22 06:56:56,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-12-22 06:56:56,004 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-12-22 06:56:56,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,004 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-12-22 06:56:56,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:56,004 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-12-22 06:56:56,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:56,006 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:56,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:56,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:56,006 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:56,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:56,007 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2020-12-22 06:56:56,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:56,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056856297] [2020-12-22 06:56:56,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:56,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056856297] [2020-12-22 06:56:56,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:56,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:56,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879857611] [2020-12-22 06:56:56,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:56,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:56,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:56,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:56,144 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-12-22 06:56:56,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:56,159 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-12-22 06:56:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:56,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:56,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:56,161 INFO L225 Difference]: With dead ends: 131 [2020-12-22 06:56:56,161 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:56:56,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:56,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:56:56,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:56:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:56:56,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-12-22 06:56:56,169 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-12-22 06:56:56,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,170 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-12-22 06:56:56,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-22 06:56:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:56,171 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:56,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:56,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:56,172 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:56,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:56,173 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2020-12-22 06:56:56,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:56,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079234564] [2020-12-22 06:56:56,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:56,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079234564] [2020-12-22 06:56:56,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:56,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:56,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48907140] [2020-12-22 06:56:56,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:56,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:56,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:56,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:56,295 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-12-22 06:56:56,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:56,313 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-12-22 06:56:56,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:56,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:56:56,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:56,316 INFO L225 Difference]: With dead ends: 100 [2020-12-22 06:56:56,316 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:56:56,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:56,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:56:56,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:56:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:56:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-12-22 06:56:56,331 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-12-22 06:56:56,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,333 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-12-22 06:56:56,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-12-22 06:56:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:56:56,335 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:56,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:56,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:56,336 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:56,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:56,337 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2020-12-22 06:56:56,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:56,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31243196] [2020-12-22 06:56:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:56,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31243196] [2020-12-22 06:56:56,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:56,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:56,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366324559] [2020-12-22 06:56:56,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:56,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:56,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:56,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:56,454 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-12-22 06:56:56,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:56,508 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-12-22 06:56:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:56,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:56:56,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:56,510 INFO L225 Difference]: With dead ends: 121 [2020-12-22 06:56:56,510 INFO L226 Difference]: Without dead ends: 74 [2020-12-22 06:56:56,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:56,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-12-22 06:56:56,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-12-22 06:56:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-22 06:56:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-12-22 06:56:56,521 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-12-22 06:56:56,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,521 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-12-22 06:56:56,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-12-22 06:56:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-22 06:56:56,525 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:56,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:56,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:56,526 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:56,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:56,528 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2020-12-22 06:56:56,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:56,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096184348] [2020-12-22 06:56:56,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:56,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096184348] [2020-12-22 06:56:56,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:56,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:56,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540029235] [2020-12-22 06:56:56,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:56,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:56,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:56,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:56,667 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2020-12-22 06:56:56,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:56,781 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2020-12-22 06:56:56,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:56,781 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-12-22 06:56:56,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:56,786 INFO L225 Difference]: With dead ends: 253 [2020-12-22 06:56:56,786 INFO L226 Difference]: Without dead ends: 187 [2020-12-22 06:56:56,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:56,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-12-22 06:56:56,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2020-12-22 06:56:56,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-12-22 06:56:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2020-12-22 06:56:56,822 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 30 [2020-12-22 06:56:56,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,822 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2020-12-22 06:56:56,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2020-12-22 06:56:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:56:56,827 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:56,827 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:56,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:56,828 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:56,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:56,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1392623830, now seen corresponding path program 1 times [2020-12-22 06:56:56,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:56,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465357344] [2020-12-22 06:56:56,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:56,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465357344] [2020-12-22 06:56:56,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:56,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:56,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699540425] [2020-12-22 06:56:56,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:56,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:56,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:56,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:56,969 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand 4 states. [2020-12-22 06:56:57,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:57,076 INFO L93 Difference]: Finished difference Result 238 states and 334 transitions. [2020-12-22 06:56:57,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:57,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-22 06:56:57,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:57,079 INFO L225 Difference]: With dead ends: 238 [2020-12-22 06:56:57,079 INFO L226 Difference]: Without dead ends: 172 [2020-12-22 06:56:57,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:57,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-12-22 06:56:57,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2020-12-22 06:56:57,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-12-22 06:56:57,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 233 transitions. [2020-12-22 06:56:57,117 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 233 transitions. Word has length 31 [2020-12-22 06:56:57,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:57,117 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 233 transitions. [2020-12-22 06:56:57,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:57,118 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 233 transitions. [2020-12-22 06:56:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:56:57,123 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:57,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:57,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:56:57,123 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:57,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:57,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1134458392, now seen corresponding path program 1 times [2020-12-22 06:56:57,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:57,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697667232] [2020-12-22 06:56:57,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:57,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:57,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697667232] [2020-12-22 06:56:57,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:57,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:57,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265863802] [2020-12-22 06:56:57,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:57,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:57,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:57,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:57,222 INFO L87 Difference]: Start difference. First operand 169 states and 233 transitions. Second operand 4 states. [2020-12-22 06:56:57,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:57,288 INFO L93 Difference]: Finished difference Result 473 states and 664 transitions. [2020-12-22 06:56:57,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:57,288 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-22 06:56:57,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:57,292 INFO L225 Difference]: With dead ends: 473 [2020-12-22 06:56:57,293 INFO L226 Difference]: Without dead ends: 352 [2020-12-22 06:56:57,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:57,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-12-22 06:56:57,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 169. [2020-12-22 06:56:57,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-12-22 06:56:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 231 transitions. [2020-12-22 06:56:57,320 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 231 transitions. Word has length 31 [2020-12-22 06:56:57,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:57,321 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 231 transitions. [2020-12-22 06:56:57,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 231 transitions. [2020-12-22 06:56:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:56:57,322 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:57,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:57,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:56:57,322 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:57,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:57,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1527485402, now seen corresponding path program 1 times [2020-12-22 06:56:57,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:57,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329542035] [2020-12-22 06:56:57,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:57,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:57,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329542035] [2020-12-22 06:56:57,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:57,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:56:57,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483885206] [2020-12-22 06:56:57,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:57,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:57,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:57,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:57,397 INFO L87 Difference]: Start difference. First operand 169 states and 231 transitions. Second operand 6 states. [2020-12-22 06:56:57,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:57,512 INFO L93 Difference]: Finished difference Result 592 states and 826 transitions. [2020-12-22 06:56:57,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:56:57,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-12-22 06:56:57,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:57,516 INFO L225 Difference]: With dead ends: 592 [2020-12-22 06:56:57,516 INFO L226 Difference]: Without dead ends: 429 [2020-12-22 06:56:57,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:56:57,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-12-22 06:56:57,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 178. [2020-12-22 06:56:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-12-22 06:56:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 238 transitions. [2020-12-22 06:56:57,537 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 238 transitions. Word has length 31 [2020-12-22 06:56:57,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:57,537 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 238 transitions. [2020-12-22 06:56:57,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 238 transitions. [2020-12-22 06:56:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:56:57,538 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:57,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:57,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:56:57,539 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:57,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:57,540 INFO L82 PathProgramCache]: Analyzing trace with hash -987336539, now seen corresponding path program 1 times [2020-12-22 06:56:57,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:57,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486642792] [2020-12-22 06:56:57,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:57,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486642792] [2020-12-22 06:56:57,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:57,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:57,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307625946] [2020-12-22 06:56:57,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:57,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:57,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:57,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:57,639 INFO L87 Difference]: Start difference. First operand 178 states and 238 transitions. Second operand 6 states. [2020-12-22 06:56:57,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:57,831 INFO L93 Difference]: Finished difference Result 912 states and 1223 transitions. [2020-12-22 06:56:57,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:56:57,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-12-22 06:56:57,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:57,835 INFO L225 Difference]: With dead ends: 912 [2020-12-22 06:56:57,835 INFO L226 Difference]: Without dead ends: 740 [2020-12-22 06:56:57,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:56:57,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-12-22 06:56:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 338. [2020-12-22 06:56:57,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-12-22 06:56:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 445 transitions. [2020-12-22 06:56:57,878 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 445 transitions. Word has length 34 [2020-12-22 06:56:57,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:57,880 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 445 transitions. [2020-12-22 06:56:57,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 445 transitions. [2020-12-22 06:56:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:56:57,885 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:57,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:57,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:56:57,886 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:57,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:57,887 INFO L82 PathProgramCache]: Analyzing trace with hash 787670823, now seen corresponding path program 1 times [2020-12-22 06:56:57,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:57,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276749146] [2020-12-22 06:56:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:57,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276749146] [2020-12-22 06:56:57,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:57,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:57,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750948337] [2020-12-22 06:56:57,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:57,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:57,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:58,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:58,003 INFO L87 Difference]: Start difference. First operand 338 states and 445 transitions. Second operand 5 states. [2020-12-22 06:56:58,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:58,195 INFO L93 Difference]: Finished difference Result 752 states and 993 transitions. [2020-12-22 06:56:58,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:58,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:56:58,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:58,200 INFO L225 Difference]: With dead ends: 752 [2020-12-22 06:56:58,201 INFO L226 Difference]: Without dead ends: 510 [2020-12-22 06:56:58,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:58,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-12-22 06:56:58,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 332. [2020-12-22 06:56:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-12-22 06:56:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 433 transitions. [2020-12-22 06:56:58,240 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 433 transitions. Word has length 34 [2020-12-22 06:56:58,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:58,240 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 433 transitions. [2020-12-22 06:56:58,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:58,240 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 433 transitions. [2020-12-22 06:56:58,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:56:58,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:58,242 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:58,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:56:58,242 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:58,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:58,243 INFO L82 PathProgramCache]: Analyzing trace with hash -771750108, now seen corresponding path program 1 times [2020-12-22 06:56:58,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:58,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903959898] [2020-12-22 06:56:58,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:58,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903959898] [2020-12-22 06:56:58,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:58,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:58,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711058639] [2020-12-22 06:56:58,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:58,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:58,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:58,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:58,310 INFO L87 Difference]: Start difference. First operand 332 states and 433 transitions. Second operand 5 states. [2020-12-22 06:56:58,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:58,398 INFO L93 Difference]: Finished difference Result 753 states and 985 transitions. [2020-12-22 06:56:58,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:58,399 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-22 06:56:58,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:58,403 INFO L225 Difference]: With dead ends: 753 [2020-12-22 06:56:58,403 INFO L226 Difference]: Without dead ends: 427 [2020-12-22 06:56:58,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:58,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-12-22 06:56:58,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 332. [2020-12-22 06:56:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-12-22 06:56:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 427 transitions. [2020-12-22 06:56:58,467 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 427 transitions. Word has length 53 [2020-12-22 06:56:58,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:58,467 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 427 transitions. [2020-12-22 06:56:58,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 427 transitions. [2020-12-22 06:56:58,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:56:58,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:58,469 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:58,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:56:58,469 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:58,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:58,469 INFO L82 PathProgramCache]: Analyzing trace with hash -844136666, now seen corresponding path program 1 times [2020-12-22 06:56:58,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:58,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217228165] [2020-12-22 06:56:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:58,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217228165] [2020-12-22 06:56:58,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:58,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:58,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953470260] [2020-12-22 06:56:58,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:58,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:58,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:58,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:58,552 INFO L87 Difference]: Start difference. First operand 332 states and 427 transitions. Second operand 4 states. [2020-12-22 06:56:58,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:58,616 INFO L93 Difference]: Finished difference Result 676 states and 879 transitions. [2020-12-22 06:56:58,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:58,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-12-22 06:56:58,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:58,620 INFO L225 Difference]: With dead ends: 676 [2020-12-22 06:56:58,620 INFO L226 Difference]: Without dead ends: 350 [2020-12-22 06:56:58,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:58,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-12-22 06:56:58,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 266. [2020-12-22 06:56:58,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-22 06:56:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 341 transitions. [2020-12-22 06:56:58,653 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 341 transitions. Word has length 53 [2020-12-22 06:56:58,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:58,653 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 341 transitions. [2020-12-22 06:56:58,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:58,654 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 341 transitions. [2020-12-22 06:56:58,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:56:58,655 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:58,655 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:58,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:56:58,655 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:58,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:58,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1409435414, now seen corresponding path program 1 times [2020-12-22 06:56:58,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:58,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816425872] [2020-12-22 06:56:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:58,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816425872] [2020-12-22 06:56:58,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:58,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:58,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485628307] [2020-12-22 06:56:58,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:58,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:58,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:58,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:58,720 INFO L87 Difference]: Start difference. First operand 266 states and 341 transitions. Second operand 5 states. [2020-12-22 06:56:58,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:58,821 INFO L93 Difference]: Finished difference Result 878 states and 1149 transitions. [2020-12-22 06:56:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:58,822 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-22 06:56:58,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:58,826 INFO L225 Difference]: With dead ends: 878 [2020-12-22 06:56:58,826 INFO L226 Difference]: Without dead ends: 666 [2020-12-22 06:56:58,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:58,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2020-12-22 06:56:58,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 272. [2020-12-22 06:56:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-12-22 06:56:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 347 transitions. [2020-12-22 06:56:58,870 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 347 transitions. Word has length 54 [2020-12-22 06:56:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:58,871 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 347 transitions. [2020-12-22 06:56:58,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 347 transitions. [2020-12-22 06:56:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:56:58,873 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:58,873 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:58,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:56:58,873 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:58,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:58,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1802462424, now seen corresponding path program 1 times [2020-12-22 06:56:58,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:58,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905373637] [2020-12-22 06:56:58,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:58,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905373637] [2020-12-22 06:56:58,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:58,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:58,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202252205] [2020-12-22 06:56:58,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:58,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:58,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:58,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:58,964 INFO L87 Difference]: Start difference. First operand 272 states and 347 transitions. Second operand 5 states. [2020-12-22 06:56:59,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:59,137 INFO L93 Difference]: Finished difference Result 708 states and 904 transitions. [2020-12-22 06:56:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:56:59,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-22 06:56:59,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:59,141 INFO L225 Difference]: With dead ends: 708 [2020-12-22 06:56:59,141 INFO L226 Difference]: Without dead ends: 706 [2020-12-22 06:56:59,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:56:59,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-12-22 06:56:59,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 272. [2020-12-22 06:56:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-12-22 06:56:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 345 transitions. [2020-12-22 06:56:59,180 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 345 transitions. Word has length 54 [2020-12-22 06:56:59,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:59,180 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 345 transitions. [2020-12-22 06:56:59,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 345 transitions. [2020-12-22 06:56:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 06:56:59,181 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:59,181 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:59,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 06:56:59,182 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:59,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:59,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1437514545, now seen corresponding path program 1 times [2020-12-22 06:56:59,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:59,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067222672] [2020-12-22 06:56:59,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:59,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067222672] [2020-12-22 06:56:59,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103705415] [2020-12-22 06:56:59,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:59,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:56:59,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:59,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:56:59,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-12-22 06:56:59,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270650650] [2020-12-22 06:56:59,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:59,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:59,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:59,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:59,683 INFO L87 Difference]: Start difference. First operand 272 states and 345 transitions. Second operand 6 states. [2020-12-22 06:56:59,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:59,985 INFO L93 Difference]: Finished difference Result 855 states and 1102 transitions. [2020-12-22 06:56:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:56:59,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-12-22 06:56:59,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:59,992 INFO L225 Difference]: With dead ends: 855 [2020-12-22 06:56:59,992 INFO L226 Difference]: Without dead ends: 637 [2020-12-22 06:56:59,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:56:59,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-12-22 06:57:00,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 386. [2020-12-22 06:57:00,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-12-22 06:57:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 495 transitions. [2020-12-22 06:57:00,058 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 495 transitions. Word has length 55 [2020-12-22 06:57:00,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:00,058 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 495 transitions. [2020-12-22 06:57:00,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 495 transitions. [2020-12-22 06:57:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-22 06:57:00,060 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:00,060 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:00,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-22 06:57:00,274 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:00,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:00,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1916895271, now seen corresponding path program 2 times [2020-12-22 06:57:00,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:00,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549212943] [2020-12-22 06:57:00,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:57:00,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549212943] [2020-12-22 06:57:00,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:00,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:00,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018709585] [2020-12-22 06:57:00,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:00,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:00,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:00,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:00,432 INFO L87 Difference]: Start difference. First operand 386 states and 495 transitions. Second operand 5 states. [2020-12-22 06:57:00,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:00,899 INFO L93 Difference]: Finished difference Result 1180 states and 1538 transitions. [2020-12-22 06:57:00,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:57:00,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-12-22 06:57:00,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:00,904 INFO L225 Difference]: With dead ends: 1180 [2020-12-22 06:57:00,904 INFO L226 Difference]: Without dead ends: 846 [2020-12-22 06:57:00,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:00,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2020-12-22 06:57:00,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 532. [2020-12-22 06:57:00,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2020-12-22 06:57:00,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 679 transitions. [2020-12-22 06:57:00,993 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 679 transitions. Word has length 76 [2020-12-22 06:57:00,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:00,994 INFO L481 AbstractCegarLoop]: Abstraction has 532 states and 679 transitions. [2020-12-22 06:57:00,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:00,994 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 679 transitions. [2020-12-22 06:57:00,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-22 06:57:00,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:00,995 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:00,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 06:57:00,996 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:00,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:00,996 INFO L82 PathProgramCache]: Analyzing trace with hash -2103312411, now seen corresponding path program 1 times [2020-12-22 06:57:00,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:00,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816422361] [2020-12-22 06:57:00,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:57:01,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816422361] [2020-12-22 06:57:01,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759492759] [2020-12-22 06:57:01,087 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 [2020-12-22 06:57:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:01,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 06:57:01,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:57:01,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-12-22 06:57:01,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640069731] [2020-12-22 06:57:01,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:01,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:01,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:01,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:01,430 INFO L87 Difference]: Start difference. First operand 532 states and 679 transitions. Second operand 5 states. [2020-12-22 06:57:01,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:01,537 INFO L93 Difference]: Finished difference Result 934 states and 1186 transitions. [2020-12-22 06:57:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:01,538 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-12-22 06:57:01,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:01,538 INFO L225 Difference]: With dead ends: 934 [2020-12-22 06:57:01,538 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:01,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:57:01,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:01,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:01,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:01,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-12-22 06:57:01,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:01,541 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:01,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:01,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:01,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:01,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-22 06:57:01,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:02,450 WARN L197 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 204 [2020-12-22 06:57:03,458 WARN L197 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 224 [2020-12-22 06:57:03,808 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 148 [2020-12-22 06:57:04,529 WARN L197 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 220 [2020-12-22 06:57:05,263 WARN L197 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 219 [2020-12-22 06:57:05,530 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 139 [2020-12-22 06:57:05,816 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 162 [2020-12-22 06:57:05,939 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 120 [2020-12-22 06:57:07,268 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 203 DAG size of output: 32 [2020-12-22 06:57:08,688 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 215 DAG size of output: 20 [2020-12-22 06:57:09,439 WARN L197 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 35 [2020-12-22 06:57:10,955 WARN L197 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 217 DAG size of output: 22 [2020-12-22 06:57:12,583 WARN L197 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 209 DAG size of output: 28 [2020-12-22 06:57:12,765 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 15 [2020-12-22 06:57:13,522 WARN L197 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 30 [2020-12-22 06:57:14,432 WARN L197 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2020-12-22 06:57:14,895 WARN L197 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 20 [2020-12-22 06:57:15,175 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 21 [2020-12-22 06:57:15,215 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2020-12-22 06:57:15,216 INFO L185 CegarLoopUtils]: At program point L564(lines 560 566) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:15,216 INFO L185 CegarLoopUtils]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)))) [2020-12-22 06:57:15,217 INFO L185 CegarLoopUtils]: At program point L102(lines 55 103) the Hoare annotation is: false [2020-12-22 06:57:15,217 INFO L185 CegarLoopUtils]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2020-12-22 06:57:15,217 INFO L185 CegarLoopUtils]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2020-12-22 06:57:15,217 INFO L185 CegarLoopUtils]: At program point L500(lines 495 503) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:15,217 INFO L189 CegarLoopUtils]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-12-22 06:57:15,217 INFO L189 CegarLoopUtils]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2020-12-22 06:57:15,217 INFO L189 CegarLoopUtils]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2020-12-22 06:57:15,217 INFO L189 CegarLoopUtils]: For program point L306(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,218 INFO L189 CegarLoopUtils]: For program point L306-2(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,218 INFO L189 CegarLoopUtils]: For program point L306-3(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,218 INFO L189 CegarLoopUtils]: For program point L306-5(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,218 INFO L189 CegarLoopUtils]: For program point L306-6(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,218 INFO L189 CegarLoopUtils]: For program point L306-8(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,218 INFO L189 CegarLoopUtils]: For program point L306-9(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,218 INFO L189 CegarLoopUtils]: For program point L306-11(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,218 INFO L189 CegarLoopUtils]: For program point L306-12(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,218 INFO L189 CegarLoopUtils]: For program point L306-14(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,218 INFO L189 CegarLoopUtils]: For program point L306-15(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,219 INFO L189 CegarLoopUtils]: For program point L306-17(lines 306 310) no Hoare annotation was computed. [2020-12-22 06:57:15,219 INFO L185 CegarLoopUtils]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2020-12-22 06:57:15,219 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2020-12-22 06:57:15,219 INFO L185 CegarLoopUtils]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-12-22 06:57:15,219 INFO L185 CegarLoopUtils]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-12-22 06:57:15,219 INFO L189 CegarLoopUtils]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-12-22 06:57:15,220 INFO L185 CegarLoopUtils]: At program point L76-1(lines 76 82) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse3) (and (= ULTIMATE.start_activatePump_~tmp~3 0) .cse0 .cse1 .cse3))) [2020-12-22 06:57:15,220 INFO L185 CegarLoopUtils]: At program point L407(lines 402 410) the Hoare annotation is: false [2020-12-22 06:57:15,220 INFO L185 CegarLoopUtils]: At program point L407-1(lines 402 410) the Hoare annotation is: (and (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) [2020-12-22 06:57:15,220 INFO L185 CegarLoopUtils]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2020-12-22 06:57:15,220 INFO L185 CegarLoopUtils]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2020-12-22 06:57:15,220 INFO L185 CegarLoopUtils]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2020-12-22 06:57:15,221 INFO L185 CegarLoopUtils]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2020-12-22 06:57:15,221 INFO L189 CegarLoopUtils]: For program point L971(line 971) no Hoare annotation was computed. [2020-12-22 06:57:15,221 INFO L189 CegarLoopUtils]: For program point L971-1(line 971) no Hoare annotation was computed. [2020-12-22 06:57:15,221 INFO L189 CegarLoopUtils]: For program point L971-2(line 971) no Hoare annotation was computed. [2020-12-22 06:57:15,221 INFO L185 CegarLoopUtils]: At program point L312(lines 297 315) the Hoare annotation is: false [2020-12-22 06:57:15,221 INFO L185 CegarLoopUtils]: At program point L312-1(lines 297 315) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (not .cse4)) (and .cse4 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) .cse0 .cse2 (<= 1 ~waterLevel~0) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-12-22 06:57:15,221 INFO L185 CegarLoopUtils]: At program point L312-2(lines 297 315) the Hoare annotation is: false [2020-12-22 06:57:15,221 INFO L185 CegarLoopUtils]: At program point L312-3(lines 297 315) the Hoare annotation is: false [2020-12-22 06:57:15,222 INFO L185 CegarLoopUtils]: At program point L312-4(lines 297 315) the Hoare annotation is: false [2020-12-22 06:57:15,222 INFO L185 CegarLoopUtils]: At program point L312-5(lines 297 315) the Hoare annotation is: false [2020-12-22 06:57:15,222 INFO L189 CegarLoopUtils]: For program point L346(lines 346 359) no Hoare annotation was computed. [2020-12-22 06:57:15,222 INFO L185 CegarLoopUtils]: At program point L346-1(lines 1 974) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-12-22 06:57:15,222 INFO L189 CegarLoopUtils]: For program point L346-2(lines 346 359) no Hoare annotation was computed. [2020-12-22 06:57:15,222 INFO L185 CegarLoopUtils]: At program point L346-3(lines 1 974) the Hoare annotation is: false [2020-12-22 06:57:15,222 INFO L189 CegarLoopUtils]: For program point L346-4(lines 346 359) no Hoare annotation was computed. [2020-12-22 06:57:15,222 INFO L185 CegarLoopUtils]: At program point L346-5(lines 1 974) the Hoare annotation is: false [2020-12-22 06:57:15,223 INFO L185 CegarLoopUtils]: At program point L248(lines 241 251) the Hoare annotation is: false [2020-12-22 06:57:15,223 INFO L185 CegarLoopUtils]: At program point L248-1(lines 241 251) the Hoare annotation is: (and (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0)) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) [2020-12-22 06:57:15,223 INFO L185 CegarLoopUtils]: At program point L248-2(lines 241 251) the Hoare annotation is: false [2020-12-22 06:57:15,223 INFO L185 CegarLoopUtils]: At program point L248-3(lines 241 251) the Hoare annotation is: false [2020-12-22 06:57:15,223 INFO L185 CegarLoopUtils]: At program point L248-4(lines 241 251) the Hoare annotation is: false [2020-12-22 06:57:15,223 INFO L185 CegarLoopUtils]: At program point L248-5(lines 241 251) the Hoare annotation is: false [2020-12-22 06:57:15,223 INFO L189 CegarLoopUtils]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-12-22 06:57:15,223 INFO L189 CegarLoopUtils]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2020-12-22 06:57:15,224 INFO L189 CegarLoopUtils]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2020-12-22 06:57:15,224 INFO L189 CegarLoopUtils]: For program point L447-3(lines 447 453) no Hoare annotation was computed. [2020-12-22 06:57:15,224 INFO L189 CegarLoopUtils]: For program point L447-4(lines 447 453) no Hoare annotation was computed. [2020-12-22 06:57:15,224 INFO L189 CegarLoopUtils]: For program point L447-5(lines 447 453) no Hoare annotation was computed. [2020-12-22 06:57:15,224 INFO L189 CegarLoopUtils]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-12-22 06:57:15,224 INFO L189 CegarLoopUtils]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-12-22 06:57:15,224 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,224 INFO L189 CegarLoopUtils]: For program point L350-2(lines 350 356) no Hoare annotation was computed. [2020-12-22 06:57:15,224 INFO L189 CegarLoopUtils]: For program point L350-4(lines 350 356) no Hoare annotation was computed. [2020-12-22 06:57:15,225 INFO L189 CegarLoopUtils]: For program point L86(lines 86 97) no Hoare annotation was computed. [2020-12-22 06:57:15,225 INFO L185 CegarLoopUtils]: At program point L516-2(lines 516 530) the Hoare annotation is: false [2020-12-22 06:57:15,225 INFO L189 CegarLoopUtils]: For program point L186(lines 186 203) no Hoare annotation was computed. [2020-12-22 06:57:15,225 INFO L189 CegarLoopUtils]: For program point L186-1(lines 186 203) no Hoare annotation was computed. [2020-12-22 06:57:15,225 INFO L189 CegarLoopUtils]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2020-12-22 06:57:15,225 INFO L189 CegarLoopUtils]: For program point L517(line 517) no Hoare annotation was computed. [2020-12-22 06:57:15,225 INFO L185 CegarLoopUtils]: At program point L452(lines 443 456) the Hoare annotation is: false [2020-12-22 06:57:15,226 INFO L185 CegarLoopUtils]: At program point L452-1(lines 443 456) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:15,226 INFO L185 CegarLoopUtils]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2020-12-22 06:57:15,226 INFO L185 CegarLoopUtils]: At program point L452-3(lines 443 456) the Hoare annotation is: false [2020-12-22 06:57:15,226 INFO L185 CegarLoopUtils]: At program point L452-4(lines 443 456) the Hoare annotation is: false [2020-12-22 06:57:15,226 INFO L185 CegarLoopUtils]: At program point L452-5(lines 443 456) the Hoare annotation is: false [2020-12-22 06:57:15,226 INFO L189 CegarLoopUtils]: For program point L57(lines 56 101) no Hoare annotation was computed. [2020-12-22 06:57:15,226 INFO L189 CegarLoopUtils]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-12-22 06:57:15,226 INFO L189 CegarLoopUtils]: For program point L520-1(lines 128 134) no Hoare annotation was computed. [2020-12-22 06:57:15,226 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,227 INFO L189 CegarLoopUtils]: For program point L223(lines 223 229) no Hoare annotation was computed. [2020-12-22 06:57:15,227 INFO L189 CegarLoopUtils]: For program point L190(lines 190 198) no Hoare annotation was computed. [2020-12-22 06:57:15,227 INFO L189 CegarLoopUtils]: For program point L223-2(lines 223 229) no Hoare annotation was computed. [2020-12-22 06:57:15,227 INFO L189 CegarLoopUtils]: For program point L190-1(lines 190 198) no Hoare annotation was computed. [2020-12-22 06:57:15,227 INFO L189 CegarLoopUtils]: For program point L190-2(lines 190 198) no Hoare annotation was computed. [2020-12-22 06:57:15,227 INFO L189 CegarLoopUtils]: For program point L223-4(lines 223 229) no Hoare annotation was computed. [2020-12-22 06:57:15,227 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:57:15,227 INFO L189 CegarLoopUtils]: For program point L223-6(lines 223 229) no Hoare annotation was computed. [2020-12-22 06:57:15,228 INFO L189 CegarLoopUtils]: For program point L223-8(lines 223 229) no Hoare annotation was computed. [2020-12-22 06:57:15,228 INFO L189 CegarLoopUtils]: For program point L223-10(lines 223 229) no Hoare annotation was computed. [2020-12-22 06:57:15,228 INFO L189 CegarLoopUtils]: For program point L587(lines 587 594) no Hoare annotation was computed. [2020-12-22 06:57:15,228 INFO L192 CegarLoopUtils]: At program point L587-1(lines 587 594) the Hoare annotation is: true [2020-12-22 06:57:15,228 INFO L185 CegarLoopUtils]: At program point L257(lines 252 260) the Hoare annotation is: false [2020-12-22 06:57:15,228 INFO L185 CegarLoopUtils]: At program point L257-1(lines 252 260) the Hoare annotation is: false [2020-12-22 06:57:15,228 INFO L185 CegarLoopUtils]: At program point L257-2(lines 252 260) the Hoare annotation is: false [2020-12-22 06:57:15,228 INFO L189 CegarLoopUtils]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-12-22 06:57:15,229 INFO L189 CegarLoopUtils]: For program point L92-2(lines 128 134) no Hoare annotation was computed. [2020-12-22 06:57:15,229 INFO L189 CegarLoopUtils]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-12-22 06:57:15,229 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2020-12-22 06:57:15,229 INFO L189 CegarLoopUtils]: For program point L325-3(lines 325 329) no Hoare annotation was computed. [2020-12-22 06:57:15,229 INFO L189 CegarLoopUtils]: For program point L160(lines 160 177) no Hoare annotation was computed. [2020-12-22 06:57:15,229 INFO L189 CegarLoopUtils]: For program point L325-5(lines 325 329) no Hoare annotation was computed. [2020-12-22 06:57:15,229 INFO L189 CegarLoopUtils]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2020-12-22 06:57:15,229 INFO L189 CegarLoopUtils]: For program point L325-6(lines 325 329) no Hoare annotation was computed. [2020-12-22 06:57:15,229 INFO L189 CegarLoopUtils]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2020-12-22 06:57:15,230 INFO L189 CegarLoopUtils]: For program point L160-3(lines 160 177) no Hoare annotation was computed. [2020-12-22 06:57:15,230 INFO L189 CegarLoopUtils]: For program point L325-8(lines 325 329) no Hoare annotation was computed. [2020-12-22 06:57:15,230 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,230 INFO L189 CegarLoopUtils]: For program point L160-4(lines 160 177) no Hoare annotation was computed. [2020-12-22 06:57:15,230 INFO L189 CegarLoopUtils]: For program point L160-5(lines 160 177) no Hoare annotation was computed. [2020-12-22 06:57:15,230 INFO L185 CegarLoopUtils]: At program point L128(lines 127 146) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_activatePump_~tmp~3 0) .cse0 .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1))) [2020-12-22 06:57:15,230 INFO L189 CegarLoopUtils]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-12-22 06:57:15,230 INFO L185 CegarLoopUtils]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2020-12-22 06:57:15,231 INFO L185 CegarLoopUtils]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2020-12-22 06:57:15,231 INFO L185 CegarLoopUtils]: At program point L492(lines 1 974) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:15,231 INFO L189 CegarLoopUtils]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-12-22 06:57:15,231 INFO L189 CegarLoopUtils]: For program point L164(lines 164 172) no Hoare annotation was computed. [2020-12-22 06:57:15,231 INFO L189 CegarLoopUtils]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2020-12-22 06:57:15,231 INFO L189 CegarLoopUtils]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2020-12-22 06:57:15,231 INFO L189 CegarLoopUtils]: For program point L164-3(lines 164 172) no Hoare annotation was computed. [2020-12-22 06:57:15,231 INFO L189 CegarLoopUtils]: For program point L164-4(lines 164 172) no Hoare annotation was computed. [2020-12-22 06:57:15,231 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,231 INFO L189 CegarLoopUtils]: For program point L164-5(lines 164 172) no Hoare annotation was computed. [2020-12-22 06:57:15,232 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2020-12-22 06:57:15,232 INFO L185 CegarLoopUtils]: At program point L462(lines 457 465) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~3 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:15,232 INFO L185 CegarLoopUtils]: At program point L462-1(lines 457 465) the Hoare annotation is: false [2020-12-22 06:57:15,232 INFO L185 CegarLoopUtils]: At program point L462-2(lines 457 465) the Hoare annotation is: false [2020-12-22 06:57:15,232 INFO L189 CegarLoopUtils]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-12-22 06:57:15,232 INFO L185 CegarLoopUtils]: At program point L66-1(lines 66 72) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse3) (and (= ULTIMATE.start_activatePump_~tmp~3 0) .cse0 .cse1 .cse3))) [2020-12-22 06:57:15,233 INFO L185 CegarLoopUtils]: At program point L331(lines 316 334) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~3 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) [2020-12-22 06:57:15,233 INFO L185 CegarLoopUtils]: At program point L331-1(lines 316 334) the Hoare annotation is: false [2020-12-22 06:57:15,233 INFO L185 CegarLoopUtils]: At program point L331-2(lines 316 334) the Hoare annotation is: false [2020-12-22 06:57:15,233 INFO L192 CegarLoopUtils]: At program point L596(lines 577 599) the Hoare annotation is: true [2020-12-22 06:57:15,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:15 BoogieIcfgContainer [2020-12-22 06:57:15,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:15,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:15,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:15,265 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:15,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:55" (3/4) ... [2020-12-22 06:57:15,272 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:15,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:15,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:15,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:15,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:15,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:15,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:15,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:15,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((2 <= tmp && !(tmp == 0)) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-12-22 06:57:15,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:15,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:57:15,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) [2020-12-22 06:57:15,374 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-22 06:57:15,375 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:15,382 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result [2020-12-22 06:57:15,383 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp___0 == 0 && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:15,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0) [2020-12-22 06:57:15,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0) [2020-12-22 06:57:15,488 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product57.cil.c-witness.graphml [2020-12-22 06:57:15,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:15,489 INFO L168 Benchmark]: Toolchain (without parser) took 22332.35 ms. Allocated memory was 153.1 MB in the beginning and 472.9 MB in the end (delta: 319.8 MB). Free memory was 127.6 MB in the beginning and 429.8 MB in the end (delta: -302.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,490 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 153.1 MB. Free memory is still 125.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:15,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.96 ms. Allocated memory is still 153.1 MB. Free memory was 127.4 MB in the beginning and 105.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.26 ms. Allocated memory is still 153.1 MB. Free memory was 105.7 MB in the beginning and 134.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,491 INFO L168 Benchmark]: Boogie Preprocessor took 120.21 ms. Allocated memory is still 153.1 MB. Free memory was 134.3 MB in the beginning and 131.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,491 INFO L168 Benchmark]: RCFGBuilder took 1304.90 ms. Allocated memory is still 153.1 MB. Free memory was 131.2 MB in the beginning and 64.1 MB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,492 INFO L168 Benchmark]: TraceAbstraction took 19943.70 ms. Allocated memory was 153.1 MB in the beginning and 472.9 MB in the end (delta: 319.8 MB). Free memory was 63.6 MB in the beginning and 441.9 MB in the end (delta: -378.3 MB). Peak memory consumption was 222.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,492 INFO L168 Benchmark]: Witness Printer took 225.70 ms. Allocated memory is still 472.9 MB. Free memory was 441.9 MB in the beginning and 429.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 153.1 MB. Free memory is still 125.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 582.96 ms. Allocated memory is still 153.1 MB. Free memory was 127.4 MB in the beginning and 105.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 144.26 ms. Allocated memory is still 153.1 MB. Free memory was 105.7 MB in the beginning and 134.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 120.21 ms. Allocated memory is still 153.1 MB. Free memory was 134.3 MB in the beginning and 131.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1304.90 ms. Allocated memory is still 153.1 MB. Free memory was 131.2 MB in the beginning and 64.1 MB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19943.70 ms. Allocated memory was 153.1 MB in the beginning and 472.9 MB in the end (delta: 319.8 MB). Free memory was 63.6 MB in the beginning and 441.9 MB in the end (delta: -378.3 MB). Peak memory consumption was 222.3 MB. Max. memory is 8.0 GB. * Witness Printer took 225.70 ms. Allocated memory is still 472.9 MB. Free memory was 441.9 MB in the beginning and 429.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 971]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((tmp == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((tmp == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((tmp___0 == 0 && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((2 <= tmp && !(tmp == 0)) && tmp == 0) && !(\result == 0)) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.3s, OverallIterations: 17, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1966 SDtfs, 2925 SDslu, 3330 SDs, 0 SdLazy, 471 SolverSat, 85 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=532occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 2663 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 196 NumberOfFragments, 578 HoareAnnotationTreeSize, 54 FomulaSimplifications, 25684348 FormulaSimplificationTreeSizeReduction, 4.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1462466 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 822 NumberOfCodeBlocks, 822 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 65490 SizeOfPredicates, 6 NumberOfNonLiveVariables, 931 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 215/231 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...